JP2009069989A - Information transmission apparatus, information management system, and information transmission program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information transmission apparatus, an information transmission program and an information management system capable of preventing information leakage. <P>SOLUTION: The information transmission apparatus includes a registering means for registering the place and time of a conference and mobile terminal devices carried by attendants of the conference in a storage section in association with one another; a detection means for detecting the locations of the mobile terminal devices carried by the attendants of the conference; a collating means for collating the mobile terminal devices detected based on their locations detected by the detection means and the times of detection of the locations with the mobile terminal devices whose locations have been detected by the detection means; and a transmission means for transmitting information for use in the conference according to the result of collation by the collating means. With this configuration, the information used in the conference is transmitted based both on the locations of the mobile terminal devices carried by the attendants of the conference and on the times of detection of the locations, whereby the leakage of information can be prevented. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an information transmission device, an information management system, and an information transmission program.

  2. Description of the Related Art Conventionally, a printing method is known that can not only authenticate a user of a printing method that transmits a print request for document data via the Internet, but also can print the document data requested by the authenticated user (for example, patents). Reference 1).

  This printing method includes a print request receiving procedure for receiving, via the Internet, a print request specifying document data for requesting printing and first user identification information for identifying a user who uses the printed document, Based on the second user identification information entered by the user at the data printing location and the received first user identification information, based on the authentication procedure for authenticating the user and the authentication result of the authentication procedure And an authentication print output procedure for outputting a medium on which the document data designated by the print request is printed.

  An information processing apparatus that selects a terminal that transmits content information based on the position of a mobile terminal connected through a network is known (for example, Patent Document 2).

  The information processing apparatus selects a mobile terminal that transmits position information indicating the position of the mobile destination, and a terminal that satisfies a predetermined condition based on the position information received from the mobile terminal, and transmits content information to the selected terminal. And an information processing device that transmits information related to the selected terminal to the portable terminal, and a terminal that receives the information transmitted by the information processing device.

JP 2004-287624 A JP 2006-92303 A

  An object of the present invention is to provide an information transmission apparatus, an information transmission program, and an information management system that can prevent information leakage.

  The information transmitting apparatus according to the present invention includes a registration unit that associates and registers in a storage unit a conference holding location, a conference holding time, and a portable terminal device carried by the conference attendee, and a mobile phone carried by the conference attendee The detection means for detecting the location of the terminal device, the portable terminal device searched from the storage unit based on the location detected by the detection means and the time when the location was detected, and the portable terminal device detected by the detection means are collated And a transmitting unit for transmitting information used in the conference based on the result of the collation by the collating unit.

  In the above configuration, the registration means registers the meeting location, the meeting holding time, and the transmission destination of the information used in the meeting in association with each other, and the transmission means detects the location and the location detected by the detection means. It is possible to adopt a configuration in which information used in the conference is transmitted to the transmission destination registered by the registration means in association with the above.

  The information management system according to the present invention is registered in a storage unit in association with a portable terminal device that is carried by an attendee of a conference and transmits location information indicating the location of the mobile destination, and the location of the conference and the duration of the conference Search from the storage unit based on the registration means, the detection means for detecting the location of the mobile terminal device based on the location information transmitted by the mobile terminal device, the location detected by the detection means and the time when the location was detected An information transmitting apparatus comprising: a collating unit that collates a portable terminal device with a portable terminal device whose location is detected by a detecting unit; and a transmitting unit that transmits information used in a conference based on a result of collating by the collating unit It is characterized by having.

  The above configuration may further include an information discarding device that discards information transmitted by the transmitting unit, and the detecting unit may detect the location of the information discarding device and the time when the information is discarded. .

  The information transmission program according to the present invention includes a registration unit for registering a computer in a storage unit in association with a meeting location, a meeting holding time, and a portable terminal device carried by the meeting attendee, and a meeting attendee Detection means for detecting the location of the portable terminal device to be carried, the location detected by the detection means and the time at which the location was detected, the portable terminal device searched from the storage unit, and the portable terminal device for which the detection means detected the location Based on the result of the verification performed by the verification unit, and a transmission unit that transmits information used in the conference.

  According to the configuration of the first aspect, information used in the conference is transmitted based on the location of the mobile terminal device carried by the conference attendee and the time when the location is detected, so that information leakage can be prevented.

  According to the configuration of the second aspect, since information is transmitted to a transmission destination registered in advance, information leakage can be prevented.

  According to the configuration of the third aspect, since information used in the conference is transmitted based on the location of the mobile terminal device carried by the conference attendee and the time when the location is detected, information leakage can be prevented.

  According to the configuration of claim 4, not only the location of the portable terminal device but also the location of the device that has discarded the information used in the conference and the time at which the information was discarded can be easily detected. Can be specified.

  According to the configuration of the fifth aspect, information used in the conference is transmitted based on the location of the portable terminal device carried by the conference attendee and the time when the location is detected, so that information leakage can be prevented.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Embodiments of the invention will be described below with reference to the accompanying drawings.

  FIG. 1 is a block diagram showing an embodiment of the information management system of the present invention.

  An information management system 10 illustrated in FIG. 1 includes a communication network 100, an information transmission device 1100, portable terminal devices 1210 and 1220, a non-mobile terminal device 1230, a transmission / reception device 1300, and an information reception device 1400.

  The communication network 100 includes, for example, a local area network (LAN), a wide area network (WAN), a metropolitan area network (MAN), or a public network, and includes an information transmission device 1100, a non-mobile terminal device 1230, and a transmission / reception device 1300. , And the information receiving apparatus 1400 are communicably connected.

  The information transmission device 1100 is constituted by a personal computer, for example, and is connected to the communication network 100. The information transmitting apparatus 1100 transmits information used in the conference to the information receiving apparatus 1400.

  Here, the configuration of the information transmitting apparatus 1100 will be described with reference to FIG. FIG. 2 is a functional block diagram illustrating a configuration example of the information transmission apparatus 1100.

  An information transmission apparatus 1100 illustrated in FIG. 2 includes a storage unit 1110, a control unit 1120, and a transmission / reception unit 1130.

  Each function of the control unit 1120 is realized by software control executed by the information transmission apparatus 1100.

  Here, with reference to FIG. 3, the hardware configuration of the information transmitting apparatus 1100 for executing software control will be described. FIG. 3 is a diagram illustrating a configuration example of hardware of the information transmission apparatus 1100 for realizing this software control.

  The information transmission apparatus 1100 includes, for example, a calculation unit 1101 such as a CPU (Central Processing Unit), a ROM 1102 (Read only memory) such as an EPROM (Erasable Programmable Read-Only Memory) or an EEPROM (Electrically Erasable Programmable Read-Only Memory). -Only Memory), RAM 1103 (Random Access Memory) composed of volatile memory such as DRAM (Dynamic RAM) or SRAM (Static RAM) and nonvolatile memory such as NVRAM (Non Volatile RAM), and hard disk The computing unit 1101, the ROM 1102, the RAM 1103, and the external storage unit 1104 are connected to each other via a bus 1105.

  In the software control, the arithmetic unit 1101 reads a program stored in the ROM 1102, the RAM 1103, or the external storage unit 1104, and the arithmetic unit 1101 performs an operation according to the read program, thereby realizing the functions of the above units. Note that operation result data is written in the RAM 1103, and in particular, the NVRAM stores data that needs to be backed up when the power is turned off.

  Here, returning to FIG. 2, the configuration of the information transmitting apparatus 1100 will be described.

  The storage unit 1110 includes, for example, a RAM 1103 or an external storage unit 1104, and is connected to the control unit 1120. The storage unit 1110 stores schedule information representing a meeting schedule. Note that the schedule information refers to information associated with a meeting terminal, a meeting holding time, and a portable terminal device carried by a meeting attendee.

  Note that the meeting place includes, for example, a hall, room, or building serving as a venue, or a portion that occupies one corner thereof.

  Here, the schedule information stored in the storage unit 1110 will be described with reference to Table 1. Table 1 is a table showing an example of schedule information stored in the storage unit 1110.

  Table 1 includes a terminal device column, a time column, a registration location column, a password column, and a transmission destination column. The terminal device column stores, for example, identification information for identifying the mobile terminal device 1210 or 1220 such as an IP address (Internet Protocol Address), a MAC address (Media Access Control address), a machine name, and a domain name associated therewith. To do.

  The time column represents the meeting holding time. The time column is composed of a column represented by a number representing the conference opening time, and stores identification information representing the conference holding location.

  Specifically, the “09” column constituting Table 1 represents the holding time of the conference from 9:00 to 9:59. In addition, the “09” column in the first row stores identification information “Y” representing the meeting place. That is, the “09” column in the first row represents that a meeting is held from 9:00 to 9:59 in the place identified by the identification information “Y”.

  The registration place column stores identification information representing the meeting place registered in the time column, separated by commas. The password string stores a password assigned to the user who uses the mobile terminal device identified by the identification information stored in the terminal device string. This password is information used when authenticating whether or not there is an authority to use information used in the conference.

  The transmission destination column stores, for example, information indicating the type of a device that is a transmission destination of information used in a conference such as a projector, a monitor, a printer, or a multifunction device having a printing function (hereinafter simply referred to as transmission destination information). . In the present embodiment, the transmission destination column has been described as information indicating the type of transmission destination. However, the present invention is not limited to this, and an IP address (Internet Protocol Address), a MAC address (Media Access Control address), Further, identification information for identifying the information receiving apparatus 1400 such as a machine name and a domain name associated therewith can be employed.

  Here, returning to FIG. 2, the configuration of the information transmitting apparatus 1100 will be described.

  The storage unit 1110 stores information used in the conference. The information used in the conference includes, for example, an image, text, or document. In this embodiment, the information is described as representing information by an electronic file.

  In addition, the storage unit 1110 stores location information and location information in association with each other. Here, the location information is, for example, information representing latitude and longitude measured by the mobile terminal devices 1210 and 1220 using GPS (Global Positioning System), or when the transmission / reception device 1300 is an access point of a wireless LAN. Information indicating the positions of the mobile terminal devices 1210 and 1220 detected by the mobile terminal devices 1210 and 1220 based on beacon packets transmitted by the transmission / reception device 1300.

  The location information refers to information for identifying a venue, a room, a building, or a part thereof where a conference is held, for example. In the present embodiment, the location information is described as information for identifying a meeting place.

  The control unit 1120 is connected to the storage unit 1110 and the transmission / reception unit 1130. The control unit 1120 controls the transmission / reception unit 1130 to transmit information used in the conference stored in the storage unit 1110 by executing a control process described later.

  Here, the configuration of the control unit 1120 will be described with reference to FIG. FIG. 4 is a functional block diagram illustrating a configuration example of the control unit 1120.

  The control unit 1120 includes a registration unit 1121, a detection unit 1122, a verification unit 1123, and an authentication unit 1124.

  The registration unit 1121 is connected to the storage unit 1110 and the transmission / reception unit 1130. The registration unit 1121 performs registration processing, which will be described later, thereby associating and registering the conference holding location, the conference holding time, and the mobile terminal device carried by the conference attendee in the storage unit 1110.

  Here, the registration process executed by the registration unit 1121 will be described with reference to FIG. FIG. 5 is a flowchart illustrating an example of a registration process executed by the registration unit 1121.

  First, the registration unit 1121 controls the transmission / reception unit 1130 to receive the conference opening time from the non-portable terminal device 1230 (step ST0001). Next, registration section 1121 acquires the holding time of the conference from transmission / reception section 1130 (step ST0002).

  Next, registration section 1121 controls transmission / reception section 1130 to receive the meeting location from non-portable terminal apparatus 1230 (step ST0003). Next, registration section 1121 obtains the meeting location from transmission / reception section 1130 (step ST0004).

  Next, registration section 1121 controls transmission / reception section 1130 to receive information (hereinafter simply referred to as apparatus identification information) for identifying a mobile terminal apparatus carried by a conference participant from non-mobile terminal apparatus 1230 (step ST0005). ). Next, registration section 1121 acquires device identification information from transmission / reception section 1130 (step ST0006).

  Next, registration section 1121 associates and registers the meeting location, meeting holding time, and portable terminal device carried by the meeting attendee in Table 1 stored in storage section 1110 (step ST0007). Thereafter, the registration unit 1121 ends the registration process.

  In this embodiment, the password and destination information stored in Table 1 are information predetermined for each device identification information, and the storage unit 1110 stores the information in association with the device identification information. And

  However, the registration unit 1121 is not limited to this, and the registration unit 1121 assigns the device identification information from the non-mobile terminal device 1230, the password assigned to the attendee carrying the mobile terminal device 1210 or 1220 identified by the device identification information, and After the transmission / reception unit 1130 is controlled to receive the transmission destination information, the device identification information, the password, and the transmission destination information are acquired, and the storage unit 1110 stores the acquired device identification information, the password, and the transmission destination information in association with each other. The configuration registered in Table 1 can be adopted.

  Here, returning to FIG. 4, the configuration of the control unit 1120 will be described.

  The detection unit 1122 is connected to the storage unit 1110, the collation unit 1122, and the transmission / reception unit 1130. The detection unit 1122 detects the location of the portable terminal device carried by the attendee of the conference by executing a detection process described later.

  Here, with reference to FIG. 6, the detection process which the detection part 1122 performs is demonstrated. FIG. 6 is a flowchart illustrating an example of detection processing executed by the detection unit 1122.

  First, the detection unit 1122 controls the transmission / reception unit 1130 to receive position information indicating the position of the mobile terminal device 1210 or 1220 from the mobile terminal device 1210 or 1220 (step ST0101). Next, detection section 1122 acquires position information from transmission / reception section 1130 (step ST0102).

  After that, the detection unit 1122 controls the transmission / reception unit 1130 to receive device identification information for identifying the mobile terminal device 1210 or 1220 from the mobile terminal device 1210 or 1220 (step ST0103). Next, detection section 1122 acquires device identification information from transmission / reception section 1130 (step ST0104).

  Thereafter, detection unit 1122 searches for location information based on the position information from storage unit 1110 (step ST0105). Next, detection section 1122 acquires the system time as the detection time (step ST0106).

  Thereafter, detector 1122 outputs location information, detection time, and device identification information to collator 1123 (step ST0107). Next, the detection unit 1122 ends the detection process.

  Here, returning to FIG. 4, the configuration of the control unit 1120 will be described.

  The collation unit 1123 is connected to the storage unit 1110, the detection unit 1122, and the transmission / reception unit 1130. The collation unit 1123 performs collation processing to be described later, so that the mobile terminal device searched from the storage unit 1110 based on the location detected by the detection unit 1122 and the time when the location was detected, and the detection unit 1122 detects the location The mobile terminal device is verified.

  Here, with reference to FIG. 7, the collation process which the collation part 1123 performs is demonstrated. FIG. 7 is a flowchart illustrating an example of the collation process executed by the collation unit 1123.

  First, the collation part 1123 acquires location information, apparatus identification information, and detection time from the detection part 1122 (step ST0201). Next, collation section 1123 searches for information for identifying the meeting location from Table 1 stored in storage section 1110 based on the detection time and the detected apparatus identification information (step ST0202).

  That is, the collation unit 1123 searches for a meeting place where a person carrying the mobile terminal device 1210 or 1220 identified by the device identification information is scheduled to attend at the detection time.

  Next, collation section 1123 searches for device identification information based on the information for identifying the found location and the detection time (step ST0203).

  That is, the collation unit 1123 searches for the device identification information of the mobile terminal devices 1210 and 1220 carried by the person who is scheduled to attend the meeting held at the searched venue at the detection time.

  Thereafter, collation section 1123 determines whether or not all of the searched device identification information has been acquired from detection section 1122 (step ST0204).

  That is, the collation unit 1123 determines whether all persons who are scheduled to attend the meeting and who carry the portable terminal device gather at the scheduled meeting place.

  The collation unit 1123 executes the process of step ST0205 when determining that all of the searched device identification information has been acquired, and ends the collation process when not.

  In step ST0204, when collating unit 1123 determines that all of the searched device identification information has been acquired, it searches for a password associated with the device identification information from table 1 stored in storage unit 1110 (step ST0205).

  After that, the collation unit 1123 controls the transmission / reception unit 1130 to transmit the searched password to each of the mobile terminal devices 1210 and 1220 identified by the device identification information (step ST0206). Thereafter, the collation unit 1123 ends the collation process.

  Here, returning to FIG. 4, the configuration of the control unit 1120 will be described.

  The authentication unit 1124 is connected to the storage unit 1110 and the transmission / reception unit 1130. The authentication unit 1124 authenticates whether or not the attendees of the conference carrying the mobile terminal devices 1210 and 1220 have the authority to use information used in the conference by executing an authentication process described later.

  Here, the authentication process executed by the authentication unit 1124 will be described with reference to FIGS. FIG. 8 is a part of a flowchart showing an example of the authentication process executed by the authentication unit 1124, and FIG. 9 is another part of the flowchart showing an example of the authentication process executed by the authentication unit 1124.

  First, authentication section 1124 controls transmission / reception section 1130 to receive apparatus identification information and a password from portable terminal apparatus 1210 or 1220 (step ST0301). Next, authentication section 1124 acquires device identification information and a password from transmission / reception section 1130 (step ST0302).

  Thereafter, authentication unit 1124 searches for a password associated with the device identification information from Table 1 stored in storage unit 1110 (step ST0303).

  Next, authentication section 1124 determines whether or not the acquired password matches the searched password (step ST0304). If the authentication unit 1124 determines that the passwords match, the authentication unit 1124 executes the process of step ST0305. If not, the authentication unit 1124 ends the authentication process.

  If the authentication unit 1124 determines that the passwords match in step ST0304, the authentication unit 1124 searches the storage unit 1110 for transmission destination information associated with the device identification information (step ST0305).

  Next, authentication section 1124 controls transmission / reception section 1130 to receive information for identifying information used in the conference from portable terminal apparatus 1210 or 1220 (step ST0306).

  Here, the information for identifying information used in the conference is represented by information for identifying an electronic file representing information used in the conference. The information for identifying the electronic file includes, for example, a combination of a directory path and an electronic file name.

  Thereafter, authentication unit 1124 acquires identification information of information used in the conference from transmission / reception unit 1130 (step ST0307). Next, authentication unit 1124 acquires an electronic file representing information used in the conference from storage unit 1110 based on identification information of information used in the conference (step ST0308).

  After that, authentication section 1124 controls transmission / reception section 1130 to transmit an electronic file representing information used in the conference to information receiving apparatus 1400 represented by the destination information (step ST0309). Thereafter, the authentication unit 1124 ends the execution of the authentication process.

  Next, control processing executed by the control unit 1120 will be described with reference to FIG. FIG. 10 is a flowchart illustrating an example of control processing executed by the control unit 1120.

  First, control section 1120 executes the above registration process (step ST0401). Next, control section 1120 executes the above detection processing (step ST0402).

  Thereafter, control unit 1120 executes the above collation processing (step ST0403). Next, control section 1120 executes the above authentication process (step ST0404). Thereafter, the control unit 1120 ends the execution of the control process.

  Here, returning to FIG. 2, the configuration of the information transmitting apparatus 1100 will be described.

  The transmission / reception unit 1130 is constituted by a network adapter, for example, and is connected to the communication network 100 and the control unit 1120. The transmission / reception unit 1130 is controlled by the control unit 1120 to transmit / receive the various types of information.

  In particular, the transmission / reception unit 1130 causes the control unit 110 to transmit information used in the conference when the collation unit 1123 determines that the retrieved device identification information and the detected device identification information match, as a result of the collation. Be controlled.

  Next, returning to FIG. 1, the configuration of the information management system 10 will be described.

  Since the configurations, functions, and connections of the mobile terminal devices 1210 and 1220 are substantially the same, the mobile terminal device 1210 will be mainly described below.

  The mobile terminal device 1210 includes, for example, a mobile phone, a PHS (Personal Handy-phone System), and a notebook personal computer equipped with a wireless LAN card.

  The portable terminal device 1210 is carried by the attendees of the conference and transmits / receives the various types of information including the position information indicating the position of the portable destination to / from the transmission / reception device 1300 using radio waves.

  The mobile terminal device 1210 detects position information by receiving a radio wave from GPS (Global Positioning System) hygiene or by receiving a beacon packet transmitted by the transmission / reception device 1300. Next, the mobile terminal device 1210 transmits the detected position information to the transmission / reception device 1300 using radio waves.

  The non-portable terminal device 1230 is constituted by, for example, a desktop personal computer. The non-mobile terminal device 1230 is connected to the communication network 100. The non-mobile terminal device 1230 transmits / receives the various types of information including the schedule information representing the schedule of the conference to / from the information transmission device 1100 via the communication network 100.

  The transmission / reception device 1300 includes, for example, a transmission / reception device and an antenna installed in a base station, or a wireless LAN access point. The transmission / reception device 1300 is connected to the communication network 100.

  The transmission / reception device 1300 receives the various information transmitted by the mobile terminal devices 1210 and 1220 using radio waves, and then transmits the information to the information transmission device 1100 through the communication network 100.

  Conversely, the transmission / reception device 1300 receives the various information transmitted by the information transmission device 1100 using radio waves via the communication network 100 and then transmits the information to the mobile terminal devices 1210 and 1220 using radio waves.

  Furthermore, when the transmission / reception device 1300 is configured by a wireless LAN access point, beacon packets are transmitted to the mobile terminal devices 1210 and 1220 using radio waves.

  The information receiving device 1400 is constituted by, for example, a projector, a monitor, a printer, or a multifunction device having a printing function. The information reception device 1400 receives an electronic file representing information used in the conference from the information transmission device 1100 via the communication network 100.

  Thereafter, when the information receiving apparatus 1400 is configured by a projector or a monitor, the information represented by the received electronic file is projected or displayed.

  When the information receiving apparatus 1400 is configured by a printer or a multifunction machine, the information represented by the received electronic file is printed out on a print medium such as a print sheet.

  In this embodiment, the registration unit 1121 corresponds to a registration unit, the detection unit 1122 corresponds to a detection unit, the collation unit 1123 corresponds to a collation unit, and the transmission / reception unit 1130 corresponds to a transmission unit.

  Hereinafter, a second embodiment of the present invention will be described with reference to the drawings.

  In the second embodiment, an information management system further including an information discarding device that discards information used in a conference will be described.

  Therefore, the information management system according to the second embodiment will be described with reference to FIG. FIG. 11 is a system configuration diagram illustrating a configuration example of the information management system according to the second embodiment.

  The information management system 20 includes a communication network 200, an information transmission device 2100, portable terminal devices 2210 and 2220, a non-mobile terminal device 2230, a transmission / reception device 2300, an information reception device 2400, and an information discarding device 2500.

  Here, the locations of the mobile terminal devices 2210 and 2220, the information receiving device 2400, and the information discarding device 2500 are assumed to be the same conference venue R.

  In other words, attendees of the conference held at the holding location R carry the mobile terminal devices 2210 and 2220, and information used in the conference is transmitted to the information receiving device 2400 installed at the holding location R. The information receiving device 2400 It is assumed that the printed information is discarded by the information discarding device 2500 installed at the holding place R.

  The configurations, connections, and functions of the communication network 200, the information transmission device 2100, the mobile terminal device 2210, the mobile terminal device 2220, the non-mobile terminal device 2230, the transmission / reception device 2300, and the information reception device 2400 are the same as those described in the first embodiment. Since the configuration, connection, and function of the network 100, the information transmission device 1100, the portable terminal device 1210, the portable terminal device 1220, the non-mobile terminal device 1230, the transmission / reception device 1300, and the information reception device 1400 are almost the same, Differences will be described.

  The communication network 200 is connected to the information discarding device 2500 as well as the information transmitting device 2100, the non-mobile terminal device 2230, the transmitting / receiving device 2300, and the information receiving device 2400.

  The information transmitting apparatus 2100 is different from the first embodiment in that the location of the information discarding apparatus 2500 and the time when the information discarding apparatus 2500 discards information are detected.

  Although not shown, the information transmission apparatus 2100 includes a storage unit 2110 corresponding to the storage unit 1110 described in the first embodiment, a control unit 2120 corresponding to the control unit 1120, and a transmission / reception unit 2130 corresponding to the transmission / reception unit 1130. .

  The memory | storage part 2110 memorize | stores the location history information which represents the location of the attendee of the meeting which carries the portable terminal devices 2210 and 2220 along a time series.

  The location history information refers to the device identification information of the mobile terminal devices 2210 and 2220 carried by the attendees of the conference, the location information of the mobile terminal devices 2210 and 2220, and the detection time at which the location information is detected in time series. Information that represents.

  Here, with reference to Table 2, the location history information stored in the storage unit 2110 will be described. Table 2 is a table showing an example of location history information stored in the storage unit 2110.

  Table 2 has a device column, a detection time column, and a location column. The device column stores device identification information, the detection time column stores detection time, and the location column stores location information.

  In addition, the storage unit 2110 stores discard history information that represents information used in the conference and a place where the information was discarded along the time when the information was discarded.

  Here, with reference to Table 3, the discard history information stored in the storage unit 2110 will be described. Table 3 is a table showing an example of the discard history information stored in the storage unit 2110.

  Table 3 has a transmission information column, a transmission time column, a discard time column, and a location column. The transmission information column stores transmission information identification information, the transmission time column stores the transmission time when the information was transmitted, the discard time column stores the discard time when the information was discarded, and the location column stores information identifying the location where the information was discarded. .

  The transmission information identification information refers to information for identifying information used in a conference transmitted by the information transmission apparatus 2100. In the present embodiment, the transmission information identification information is described as information that is a combination of the name of an electronic file representing information used in a meeting and a number representing the number of transmissions, but is not limited to this. .

  The control unit 2120 is different from the first embodiment in that it verifies whether or not there is a possibility that information discarded by the information discarding device 2500 is leaked by executing a control process described later.

  Here, the configuration of the control unit 2120 will be described with reference to FIG. FIG. 12 is a functional block diagram illustrating a configuration example of the control unit 2120.

  The control unit 2120 is different from the first embodiment in that it includes not only a registration unit 2121, a detection unit 2122, a verification unit 2123, and an authentication unit 2124 but also a verification unit 2125.

  The functions, configurations, and connections of the registration unit 2121, the detection unit 2122, the verification unit 2123, and the authentication unit 2124 are the same as those of the registration unit 1121, the detection unit 1122, the verification unit 1123, and the authentication unit 1124 described in the first embodiment. Since the functions, configurations, and connections are almost the same, the differences will be mainly described below.

  The registration unit 2121 is connected to the detection unit 2122 as well as the storage unit 2110 and the transmission / reception unit 2130. The registration unit 2121 registers the location history information and the discard history information in the storage unit 2110 by executing the second registration process and the third registration process as well as the registration process described in the first embodiment.

  Here, the second registration process executed by the registration unit 2121 will be described with reference to FIG. FIG. 13 is a flowchart illustrating an example of the second registration process executed by the registration unit 2121.

  First, registration section 2121 controls transmission / reception section 2130 to receive apparatus identification information and position information from portable terminal apparatuses 2210 and 2220 (step ST0501). Next, registration section 2121 acquires device identification information and position information from transmission / reception section 2130 (step ST0502).

  After that, registration section 2121 outputs the acquired position information to detection section 2122 (step ST0503). Next, registration section 2121 obtains location information and detection time from detection section 2122 (step ST0504).

  After that, registration section 2121 registers device identification information, location information, and detection time in association with Table 2 stored in storage section 2110 (step ST0505). Next, the registration unit 2121 ends the execution of the second registration process.

  Next, the third registration process executed by the registration unit 2121 will be described with reference to FIG. FIG. 14 is a flowchart illustrating an example of the third registration process executed by the registration unit 2121.

  First, registration section 2121 controls transmission / reception section 2130 to receive transmission information identification information and position information from information discard apparatus 2500 (step ST0601). Next, registration section 2121 acquires transmission information identification information and position information from transmission / reception section 2130 (step ST0602).

  After that, registration section 2121 outputs the acquired position information to detection section 2122 (step ST0603). Next, registration section 2121 obtains location information and detection time from detection section 2122 (step ST0604).

  After that, registration section 2121 registers transmission information identification information, location information, and detection time in association with Table 3 stored in storage section 2110 (step ST0605). Next, the registration unit 2121 ends the execution of the third registration process.

  Here, returning to FIG. 12, the configuration of the control unit 2120 will be described.

  The detection unit 2122 is connected to the registration unit 2121 as well as the storage unit 2110 and the transmission / reception unit 2130. The detection unit 2122 executes not only the detection process described in the first embodiment, but also a second detection process described later, so that the mobile terminal devices 2210 and 2220 carried by the attendees of the conference and the location of the information discarding device 2500 are located. Is detected.

  Here, with reference to FIG. 15, the second detection process executed by the detection unit 2122 will be described. FIG. 15 is a flowchart illustrating an example of the second detection process executed by the detection unit 2122.

  First, the detection unit 2122 acquires position information indicating the position of the mobile terminal device 2210 or 2220 or the information discarding device 2500 from the registration unit 2121 (step ST0701).

  Next, detection section 2122 searches for location information based on position information from storage section 2110 (step ST0702). Next, detection section 2122 obtains the system time as the detection time (step ST0703).

  After that, detection section 2122 outputs location information and detection time to registration section 2121 (step ST0704). Next, the detection unit 2122 ends the execution of the second detection process.

  Here, returning to FIG. 12, the configuration of the control unit 2120 will be described.

  The authentication unit 2124 is connected to the storage unit 2110 and the transmission / reception unit 2130. The authentication unit 2124 not only authenticates whether the portable user of the portable terminal devices 2210 and 2220 has the authority to use information used in the conference by executing an authentication process described later, but also uses it in the conference. This differs from the first embodiment in that the transmission time at which information is transmitted is registered in the storage unit 2110.

  Here, the authentication process executed by the authentication unit 2124 will be described with reference to FIGS. FIG. 16 is a part of a flowchart showing an example of the authentication process executed by the authentication unit 2124, and FIG. 17 is another part of the flowchart showing an example of the authentication process executed by the authentication unit 2124.

  First, authentication section 2124 executes the processing of steps ST0801 to ST0808 (steps ST0801 to ST0808). Note that the processing from steps ST0801 to ST0808 is the same as the processing from steps ST0401 to ST0408 described with reference to FIGS.

  After executing the process of step ST0808, authentication section 2124 generates transmission information identification information for identifying information used in the transmitted conference (step ST0809).

  Next, authentication section 2124 controls transmission / reception section 2130 to transmit information used in the conference and transmission information identification information to information receiving apparatus 2400 represented by the transmission destination information (step ST0810).

  Thereafter, authentication unit 2124 acquires the system time and sets it as the transmission time (step ST0811). Next, authentication section 2124 registers the generated transmission information identification information and transmission time in association with each other in Table 3 stored in storage section 2110 (step ST0811). Thereafter, the authentication unit 2124 ends the execution of the authentication process.

  Here, returning to FIG. 12, the configuration of the control unit 2120 will be described.

  The verification unit 2125 is connected to the storage unit 2110 and the transmission / reception unit 2130. The verification unit 2125 verifies whether there is a risk of leakage of information used in the conference by executing a verification process described later.

  Here, the verification process executed by the verification unit 2125 will be described with reference to FIGS. 18 is a part of a flowchart showing an example of the verification process executed by the verification unit 2125, and FIG. 19 is another part of the flowchart showing an example of the verification process executed by the verification unit 2125.

  First, the verification unit 2125 controls the transmission / reception unit 2130 to receive from the non-portable terminal device 2230 the transmission information identification information of information to be verified as to whether there is a risk of information leakage (step ST0901). Next, verification section 2125 acquires transmission information identification information from transmission / reception section 2130 (step ST0902).

  After that, the verification unit 2125 searches the transmission time from the table 3 stored in the storage unit 2110 based on the transmission information identification information (step ST0903). Next, verification section 2125 searches for the discard time based on the transmission information identification information from Table 3 stored in storage section 2110 (step ST0904).

  After that, the verification unit 2125 searches the location information of the information discarding device 2500 based on the transmission information identification information from Table 3 stored in the storage unit 2110 (step ST0905).

  Next, verification unit 2125 searches for device identification information based on the time from the transmission time to the discard time and the location information from Table 2 in which the location history information stored in storage unit 2110 is stored (step ST0906).

  That is, the information used in the conference is browsed by acquiring the device identification information of the mobile terminal devices 2210 and 2220 located in the same location as the information discarding device 2500 that has discarded the information during the time from the transmission time to the discarding time. The identification information of the portable terminal device 2210 or 2220 carried by a person who may have performed is specified.

  After that, the verification unit 2125 searches for device identification information based on the time from the transmission time to the discard time and the location information from Table 1 in which the storage unit 2110 stores the schedule information (step ST0907).

  That is, the device identification information of the portable terminal device carried by the person who was scheduled to attend the meeting held at the location where the information discarding device 2500 that discarded the information was installed from the transmission time to the discarding time is acquired. To do.

  Next, verification section 2125 determines whether or not the device identification information searched in step ST0906 matches the device identification information searched in step ST0907 (step ST0908).

  That is, the identification information of the portable terminal device 2210 or 2220 carried by a person who may have browsed the information used in the meeting, and the portable terminal device carried by the person who was scheduled to attend the meeting It is determined whether the identification information 2210 or 2220 matches.

  The verification unit 2125 executes the process of step ST0909 when determining that the device identification information matches, and executes the process of step ST0910 otherwise.

  In step ST0908, when the verification unit 2125 determines that the device identification information matches, the verification unit 2125 sends the transmission / reception unit 2130 to the non-portable terminal device 2230 so as to transmit a message that the information used in the conference is not likely to be leaked. Control is performed (step ST0909). Thereafter, the verification unit 2125 ends the execution of the verification process.

  In step ST0908, when the verification unit 2125 determines that the device identification information does not match, the transmission / reception unit 2130 transmits a message to the non-mobile terminal device 2230 that information used in the conference may be leaked. Is controlled (step ST0910). Thereafter, the verification unit 2125 ends the execution of the verification process.

  Next, a control process executed by the control unit 2120 will be described with reference to FIG. FIG. 20 is a flowchart illustrating an example of control processing executed by the control unit 2120.

  First, control section 2120 executes the processing of steps ST1001 to ST1004 (steps ST1001 to ST1004). The processing of steps ST1001 to ST1004 is the same as the processing of steps ST0401 to ST0404 described in the first embodiment with reference to FIG.

  After executing the process of step ST1004, the control unit 2120 executes the second registration process described above (step ST1005). Next, control unit 2120 executes the second detection process described above (step ST1006).

  Thereafter, control unit 2120 executes the above-described third registration process (step ST1007). Next, control unit 2120 executes the second detection process described above (step ST1008).

  Thereafter, control unit 2120 executes the verification process described above (step ST1009). Next, the control unit 2120 ends the execution of the control process.

  Here, returning to FIG. 11, the configuration of the information management system 20 will be described.

  Although not shown, the non-portable terminal device 2230 is connected to a display device constituted by, for example, a liquid crystal display, a plasma display, or a CRT (Cathode Ray Tube) display.

  The non-mobile terminal device 2230 transmits to the information transmission device 2100 transmission information identification information for identifying information to be verified as to whether or not there is a possibility of information leakage. Thereafter, the non-mobile terminal device 2230 receives a message indicating whether or not there is a possibility of information leakage from the information transmission device 2100, and controls the display device to display the received message.

  The information receiving device 2400 is configured by, for example, a printer or a multifunction device having a printing function. The information receiving device 2400 receives an electronic file representing information used in the conference and transmission information identification information, and prints out the received information.

  As a specific example, when the information used in the meeting is an image, the information reception device 2400 includes an image represented by the electronic file, and information obtained by combining the electronic file name that is transmission information identification information and the number of transmissions. Print output on printing media such as printing paper.

  The information discarding device 2500 is constituted by a shredder, for example, and is connected to the communication network 100. The information discarding device 2500 discards the information by finely cutting the printing paper on which the information used in the conference is printed (hereinafter simply referred to as shredding).

  Here, the configuration of the information discarding device 2500 will be described with reference to FIG. FIG. 21 is a functional block diagram illustrating a configuration example of the information discarding device 2500.

  An information discarding device 2500 illustrated in FIG. 21 includes a radio wave receiving unit 2510, a reading unit 2520, a discarding unit 2530, a control unit 2540, and a transmission / reception unit 2550.

  The functions of the control unit 2540 are realized by software control executed by the radio wave receiving unit 2510. The hardware configuration of the radio wave receiving unit 2510 for executing software control is the same as the hardware configuration of the information receiving apparatus 1100 described in the first embodiment, and thus the description thereof is omitted.

  The radio wave receiver 2510 is constituted by, for example, a GPS receiver or a wireless LAN card. The radio wave receiving unit 2510 is connected to the control unit 2540.

  The radio wave receiving unit 2510 is controlled by the control unit 2540 to receive a radio wave signal including a time transmitted by GPS hygiene or a radio wave signal including a beacon packet transmitted by the transmission / reception device 2300, and the received signal is transmitted to the control unit 2540. Output.

  The reading unit 2520 is constituted by a scanner, for example, and is connected to the control unit 2540. The reading unit 2520 is controlled by the control unit 2540, reads an image printed on a print medium to be shredded, and outputs the read image to the control unit 2540.

  The discarding unit 2530 includes a motor and a rotary blade that is rotated by the motor. The discard unit 2530 is connected to the control unit 2540.

  The discard unit 2530 is controlled by the control unit 2540, and discards the information printed on the print medium by chopping the print medium that is read by the reading unit 2520.

  The control unit 2540 is connected to the radio wave reception unit 2510, the reading unit 2520, the discard unit 2530, and the transmission / reception unit 2550. The control unit 2540 controls each unit included in the information discarding device 2500 so as to discard the information used in the conference by executing a control process described later.

  Here, with reference to FIG. 22, the control process executed by the control unit 2540 will be described. FIG. 22 is a flowchart illustrating an example of a control process executed by the control unit 2540.

  First, control unit 2540 controls radio wave receiving unit 2510 to receive a radio signal (step ST1101). Next, control unit 2540 acquires a radio wave signal from radio wave receiving unit 2510 (step ST1102).

  Thereafter, control unit 2540 acquires position information from the radio signal (step ST1103). Next, control unit 2540 controls reading unit 2520 to read an image printed on a print medium (hereinafter simply referred to as a print image) (step ST1104).

  Thereafter, control unit 2540 obtains an image read by reading unit 2520 (hereinafter simply referred to as a read image) (step ST1105). Next, control unit 2540 obtains transmission information identification information from the read image (step ST1106).

  In this embodiment, the control unit 2540 uses OCR (Optical Character Reader) technology in order to acquire transmission information identification information from the read image.

  After that, the control unit 2540 controls the discarding unit 2530 to discard the information used in the conference by shredding the print image printed on the print medium (step ST1107).

  Next, control section 2540 controls transmission / reception section 2550 to transmit the transmission information identification information acquired in step ST1106 and the position information acquired in step ST1103 to information transmitting apparatus 2100 (step ST1108). Thereafter, the control unit 2540 ends the execution of the control process.

  Here, returning to FIG. 21, the configuration of the information discarding device 2500 will be described.

  The transmission / reception unit 2550 is constituted by a network adapter, for example, and is connected to the communication network 200 and the control unit 2540. The transmission / reception unit 2550 is controlled by the control unit 2540 and transmits transmission information identification information and position information to the information transmission apparatus 2100.

  In this embodiment, the registration unit 2121 corresponds to the registration unit, the detection unit 2122 corresponds to the detection unit, the collation unit 2123 corresponds to the collation unit, and the transmission / reception unit 2130 corresponds to the transmission unit.

  The information transmission apparatuses 1100 and 2100 are realized by an arithmetic unit executing a program stored in at least one of a ROM, a RAM, and an external storage unit. Further, this program can be provided by being stored and distributed in a magnetic disk, an optical disk, a semiconductor memory, or other recording medium, or distributed via a network.

  Although the preferred embodiments of the present invention have been described in detail above, the present invention is not limited to the specific embodiments, and various modifications, within the scope of the gist of the present invention described in the claims, It can be changed.

  In the above-described embodiment, the external storage device is described as being configured by a hard disk (Hard Disk). However, the present invention is not limited to this. For example, a flexible disk, a CD-ROM (Compact Disc Read Only Memory), a DVD- An implementation format including a ROM (Digital Versatile Disk Read Only Memory), a DVD-RAM (Digital Versatile Disk Random Access Memory), an MO (magneto-optic), and a flash memory can be adopted.

It is a block diagram which shows one Embodiment of the information management system of this invention. It is a functional block diagram showing the example of 1 structure of an information transmitter. It is a figure showing the example of 1 structure of the hardware of an information transmitter. It is a functional block diagram showing the example of 1 composition of a control part. It is a flowchart showing an example of the registration process which a registration part performs. It is a flowchart showing an example of the detection process which a detection part performs. It is a flowchart showing an example of the collation process which a collation part performs. It is a part of flowchart which shows an example of the authentication process which an authentication part performs. It is the other part of the flowchart showing an example of the authentication process which an authentication part performs. It is a flowchart showing an example of the control processing which a control part performs. 10 is a system configuration diagram illustrating a configuration example of an information management system in Embodiment 2. FIG. FIG. 10 is a functional block diagram illustrating a configuration example of a control unit according to a second embodiment. It is a flowchart showing an example of the 2nd registration process which a registration part performs. It is a flowchart showing an example of the 3rd registration process which a registration part performs. It is a flowchart showing an example of the 2nd detection process which a detection part performs. 12 is a part of a flowchart illustrating an example of an authentication process executed by an authentication unit in the second embodiment. 10 is another part of a flowchart illustrating an example of authentication processing executed by the authentication unit in the second embodiment. It is a part of flowchart which shows an example of the verification process which a verification part performs. It is the other part of the flowchart showing an example of the verification process which a verification part performs. 12 is a flowchart illustrating an example of a control process executed by a control unit included in the information transmission apparatus in the second embodiment. It is a functional block diagram showing the example of 1 structure of an information discard apparatus. It is a flowchart showing an example of the control processing which the control part with which an information destruction apparatus is provided performs.

Explanation of symbols

10. Information management system 100 ... Communication network
1100 Information transmission device 1101 Operation unit
1102 ... ROM 1103 ... RAM
1104: External storage unit 1105 ... Bus
1110: Storage unit 1120: Control unit
1121. Registration unit (registration means)
1122 ... Detection unit (detection means)
1123: collation unit (collation means)
1124 ... Authentication part 1130 ... Transmission / reception part (transmission means)
1210, 1220, mobile terminal device 1230, non-mobile terminal device 1300, transmission / reception device
1400 Information receiving device 20 Information management system
200: Communication network 2100: Information transmission device
2110: Storage unit 2120: Control unit
2121 ... Registration section (registration means)
2122... Detection unit (detection means)
2123 ... collation unit (collation means)
2124 Authentication unit 2125 Verification unit
2130. Transmission / reception unit (transmission means)
2210, 2220 ... mobile terminal device 2230 ... non-mobile terminal device 2300 ... transmission / reception device
2400 ... Information receiving device 2500 ... Information discarding device
2510: Radio wave receiving unit 2520: Reading unit
2530 ... Discarding unit 2540 ... Control unit
2550 ... Transmitter / receiver R ... Meeting place

Claims (5)

Registration means for associating and registering a meeting location, a meeting time, and a portable terminal device carried by a participant of the meeting in the storage unit;
Detecting means for detecting the location of the portable terminal device carried by the attendee of the conference;
Collation means for collating the mobile terminal device searched from the storage unit based on the location detected by the detection means and the time when the location was detected, and the mobile terminal device detected by the detection means;
An information transmission apparatus comprising: a transmission unit configured to transmit information used in the conference based on a result of the verification performed by the verification unit. The registration means associates and registers a meeting location, a meeting time, and a destination of information used in the meeting,
The transmission means transmits information used in the conference to a destination registered by the registration means in association with the location detected by the detection means and the time when the location was detected. The information transmitting device described. A portable terminal device that is carried by a meeting attendee and transmits position information representing the position of the portable destination;
Registration means for registering the meeting location and the meeting holding time in the storage unit in association with each other;
Detection means for detecting the location of the mobile terminal device based on position information transmitted by the mobile terminal device;
Collation means for collating the mobile terminal device searched from the storage unit based on the location detected by the detection means and the time when the location was detected, and the mobile terminal device detected by the detection means;
An information management system comprising: an information transmission device including a transmission unit configured to transmit information used in the conference based on a result of the verification performed by the verification unit. An information discarding device for discarding the information transmitted by the transmitting unit;
The information management system according to claim 3, wherein the detection unit detects a location of the information discarding device and a time when the information is discarded. Computer
Registration means for associating and registering a meeting location, a meeting time, and a portable terminal device carried by a participant of the meeting in the storage unit;
Detecting means for detecting the location of the portable terminal device carried by the attendee of the conference;
Collation means for collating the mobile terminal device from the storage unit searched based on the location detected by the detection means and the time when the location was detected, and the mobile terminal device from which the detection means has detected the location;
An information transmission program that functions as a transmission unit that transmits information used in the conference based on a result of the verification by the verification unit.

Images