JPH1118147A - Portable telephone set with unauthorized use prevention function and portable telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent illegal use of a the portable telephone set by a 3rd party. SOLUTION: This portable telephone system has a portable telephone set 101 and a transmission 102. An identical ID information is stored in a 1st user identification data(ID) storage section 105 of the portable telephone set 101 and a 2nd ID storage section 110 of the transmitter 102. The transmitter 102 is made to send the ID information of the 2nd ID storage section 110 as a radio wave at all times. At the application of power, the portable telephone set 101 receives the ID information of the 2nd ID storage section 110 sent from the transmitter 102 and compares the ID information with ID information stored in the 1st ID storage section 105. If they are identical as a result of comparison, power is supplied, and if they are different, power is not supplied.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the use of wireless terminals, and more particularly to the prevention of unauthorized use of portable telephones.

[0002]

2. Description of the Related Art Conventionally, as a countermeasure for preventing unauthorized use of a mobile phone, a management center delivery system and a removable system have been generally considered.

The management center system is disclosed in, for example,
As disclosed in Japanese Patent Publication No. 351, a wireless device such as a base station transmits terminal device identification data and a fraud prevention code to a terminal device that may be illicitly used such as theft. If the corresponding terminal device identifies the identification data of the own station, an abnormal process based on the unauthorized use prevention code has been performed. Further, by inputting a password on the terminal device side, fraud prevention is avoided. This means that it is necessary to report a theft or the like to a management center that manages communication in order to prevent unauthorized use. Furthermore, it means that it is necessary to use password security together with the mobile phone itself because it may be used before the notification is made.

The detachable system is disclosed in, for example, Japanese Patent Application Laid-Open
As disclosed in Japanese Patent Publication No. H.245, information necessary for operation of a mobile phone is stored, and fraud prevention is performed by separating a detachable information storage means from the mobile phone. This is to prevent fraud by theft, etc.
This means that it is necessary to disconnect the information storage means when the mobile phone is not in use and to connect the detachable information storage means to the mobile phone each time the mobile phone is used.

[0005]

However, the first problem with the management center delivery method is that it takes time and effort. The reason is that it is necessary to report the theft to a management center that manages communication in order to prevent unauthorized use. Alternatively, in order to prevent unauthorized use with a password, a password must be entered each time the mobile phone is used.

[0006] The second problem of the management center delivery method is as follows.
This means that if a password is not set and the device is stolen, it may be temporarily used illegally. The reason for this is that it is necessary to report the theft to the management center that manages communications in order to prevent unauthorized use. This is because there is a possibility of unauthorized use during the time required to prevent unauthorized use.

[0007] The third problem of the management center delivery method is as follows.
If a password is not set, a third party can use the mobile phone without permission. The reason is that, when a password is not set, an unspecified number of people can always use the mobile phone.

[0008] The first problem with the detachable system is that if the user forgets to disconnect the information storage means from the portable telephone, it will be used illegally by a third party. The reason is that illegal use is prevented by separating the detachable information storage means from the mobile phone.

The second problem with the detachable system is that it takes time and effort. The reason is that it is necessary to connect the removable information storage means to the mobile phone when the mobile phone is used, and to disconnect the removable information storage means from the mobile phone when the mobile phone is not used.

An object of the present invention is to prevent a third party from illegally using a portable telephone without any trouble.

[0011]

According to the present invention, a portable telephone having a function for preventing unauthorized use and a portable telephone system have a portable telephone for communicating via a base station and a transmitter for communicating with the portable telephone. A transmitter configured to store user identification data for identifying a second individual user (hereinafter, user identification data for identifying an individual user is referred to as an ID); And transmitting means for transmitting the ID information. The mobile phone receives storage means for storing first ID information, monitoring means for monitoring ID information received from the wireless device after power-on, and second ID information transmitted from the transmitter, Comparing means for comparing the received second ID information with the stored first ID information;
And a communication enabling means for enabling communication of the mobile phone only when the result of the comparison is equal.

A portable telephone and a portable telephone system having another function for preventing unauthorized use according to the present invention include a portable telephone for communicating via a base station and a transceiver for communicating with the portable telephone. The transceiver has storage means for storing the second ID information, and transmission means for transmitting the second ID information when receiving a request message for the second ID information. After the power is turned on, the mobile phone transmits an ID information request message to the transceiver, a monitor that monitors the received ID information, a storage that stores the first ID information, Received second ID information, and the received second ID information and the stored first ID information.
And a communication enabling unit that enables the mobile phone to communicate only when the ID information is equal to each other as a result of the comparison.

In addition to the above-mentioned means, when the comparison result does not match, the power is not turned on.

Further, in addition to the above-mentioned means, when the comparison means does not match, the user is informed that the apparatus cannot be used.

[0015] In addition to the above means, when the monitoring means does not receive the ID information within a predetermined time, it notifies that the ID information could not be received.

As an operation, the user of the mobile phone is wirelessly identified. For this reason, there is no need to operate the information storage means by removing and inserting it, and it is not necessary to notify the management center that manages communication to prevent unauthorized use, such as theft, and to forget to prevent unauthorized use. Nor. In addition, since the mobile phone and the transmitter are separated and the mobile phone can be used within a range where the radio wave of the transmitter can reach, use by a third party can be prevented.

[0017]

Next, a first embodiment of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, a first embodiment of the present invention is a portable telephone 10 for communicating with a communication destination via a base station.
1 and a transmitter 102.

The mobile phone 101 includes a first CPU 106
A key detection circuit section 103 having means for detecting that a power key and other keys have been pressed, and notifying the first CPU 106 of the pressed key upon detection; Power supply control unit 104 having means for performing ON / OFF control of power supply to various devices (microphone, speaker, LCD, numeric keys) inside the telephone
And a first program unit 109 for storing a processing program for the mobile phone, and a first I for storing unique ID information.
The wireless data is received by the first storage unit 108 and the first antenna 108 based on the notification from the first CPU 106, and the first CP
And a first wireless control unit 107 having means for notifying U106 of received data.

The first ID storage unit 105 is rewritable, and uses an element that does not erase stored data even when power is not supplied to the mobile phone 101.

The transmitter 102 includes a second CPU 111,
A second ID storage unit 110 for storing unique ID information;
The second antenna 113 is notified by the notification of the second CPU 111.
A second wireless control unit 112 having a unit for transmitting wireless data from the second, and an ID stored in the second ID storage unit 110
A second program unit 114 that stores a program that repeats an operation of reading information and notifying the read ID information to the second wireless control unit 112.

The second ID storage unit 110 uses a rewritable element that does not erase stored data even if power is not supplied to the transmitter 102.

The first ID storage unit 105 and the second ID storage unit 110 store the same ID information for use in authentication.

FIG. 2 is a schematic flowchart when the mobile phone 101 executes a program related to ID information among the programs in the program section 109.

In terms of only the main functions, the outline flow chart of FIG. 2 is a monitoring means (steps 202 to 205) for setting a predetermined time and monitoring ID information, and stores the received ID information and the ID storage unit 105 in the ID storage unit 105. The comparison means (step 206) for comparing the received ID information with the communication means (step 208) for enabling communication according to the operation instruction of the user when the ID information matches, Informing (step 209) and notifying that the ID information could not be received if the ID information could not be received within a predetermined time (step 207).

Next, the operation of the first embodiment of the present invention will be described with reference to FIG.

The first ID storage unit 105 and the second
The same ID information is stored in the ID storage unit 110.

When the power of the transmitter 102 is turned on, the second
CPU 111 reads a program from the second program section 114. Next, the second CPU 111 reads the second ID from the second ID storage unit 110 according to the program.
The information is read, and a notification is made to transmit the read second ID information to the second wireless control unit 112. When receiving the transmission notification from the second CPU 111, the second wireless control unit 112 transmits the second ID information from the second antenna 113. In this way, the transmitter 102 repeats the transmission operation of the second ID information by the program.

When the power of the mobile phone 101 is turned on,
Various devices (microphone,
Power is turned on to the main body except for the speaker, LCD, and numeric keys), and the first CPU 106 reads a program from the first program unit 109. FIG. 2 shows a program executed immediately after the power is turned on.

Referring to FIG. 2, first CPU 106 detects whether or not a power key has been input from key detection circuit portion 103 (step 201). If not, step 201 is repeated. If it is detected, a timer for setting a waiting time for receiving the second ID information is started (step 202). Next, it is checked whether the timer set in step 202 has timed out (step 203). If timed out, I
The user is notified by means for notifying the user that D cannot be received (step 207). If the timeout has not occurred, the second ID transmitted from the transmitter 102
The first wireless control unit 107 is notified to receive information (step 204). Next, first CPU 106 checks whether first wireless control section 107 has received the second ID information (step 205). If not, the process is repeated from step 203. If it has been received, next, the first ID information stored in the first ID storage unit 105 is read, and it is confirmed whether or not the first ID information is equal to the received second ID information (step 206). If they are not equal, the user is notified that the ID is error (step 209). If they are equal,
Power supply (microphone, speaker, L
The power supply control unit 104 is notified to insert a CD, a numeric key, and the program for realizing the function of the mobile phone stored in the program unit 109 is started (step 208). The power control unit 104 turns on the power of various devices. Thus, the user can perform an operation by inputting a numeric key, and can communicate with a communication destination using the mobile phone 101.

Further, the above will be described in detail with reference to FIG.

Although not explicitly shown in FIG. 1, the mobile phone 101 shown in FIG. 1 has a microphone for inputting voice, a speaker for outputting voice, and numerals for inputting information such as a telephone number. It has a key, a power key used for turning on / off the mobile phone, and an LCD for confirming the input key and notifying the user of the state of the mobile phone. The key detection circuit unit 103 notifies the first CPU 106 when a numeric key or a power key is pressed.
The power control unit 104 can control each power supply of a microphone, a speaker, and an LCD. The first ID storage unit 105 holds data even when power is not supplied to the mobile phone 101,
A readable / writable EEPROM or flash ROM is used. The first program unit 109 uses an EEPROM or a flash ROM in order to enable rewriting of the program and to retain the program without supplying power to the mobile phone. Remember. The first CPU 106 reads and executes a program from the first address of the first program unit 109. The first wireless control unit 107
The data can be transmitted as radio waves from the first antenna 108 by the notification from the CPU 106 of
This is a transceiver capable of notifying the first CPU 106 of the received radio wave as data. The first antenna 108 is attached to the main body to provide portability. Mobile phone 101
Is large enough to hold in your hand.

Second ID storage unit 1 in transmitter 102
Numeral 10 holds data even when power is not supplied to the transmitter 102, and is readable and writable by an EEPROM or a flash RO.
Use M. The second program unit 114 enables the program to be rewritten, and the program can be retained even when power is not supplied to the mobile phone.
And the second ID storage unit 110 using a flash ROM
A program that reads the ID information stored in the second wireless control unit and repeats the operation of notifying the read ID information to the second wireless control unit 112 is stored at the beginning of the address. 2nd C
The PU 111 reads the program from the head address of the second program unit 114 and executes the program. The second wireless control unit 112 is a transmitter that can transmit data as radio waves from the second antenna 113 in response to a notification from the second CPU 111. The second antenna 113 is built in the transmitter 102 in order to reduce the size of the transmitter 102, and the transmitter 102 is reduced to a card type or the like so that the user can easily carry it.

The operation of the first embodiment of the present invention will be described in detail with reference to FIGS.

A character string "1234" is stored as ID information equivalent to the first ID storage unit 105 and the second ID storage unit 110. The program unit 109 includes a program (FIG. 2) executed immediately after the power is turned on and the mobile phone 1
01 is stored. Further, the second program unit 114 has a second ID
A program for reading the character string “1234” stored in the storage unit 110 and notifying the second wireless control unit 112 of the read character string “1234” is stored.

When the transmitter 102 is turned on, the second CPU 111 reads a program from the second program unit 114. Next, the second CPU 111 reads the character string “12” from the second ID storage unit 110 according to the program.
34 ", and notifies the second wireless control unit 112 to transmit the read character string" 1234 ".
Upon receiving the transmission notification from the second CPU 111, the second wireless control unit 112 transmits the character string “1” from the second antenna 113.
234 "is transmitted as a radio wave. In this way, the transmitter 102 repeats the transmission operation of the character string" 1234 "by the program.

Next, when the portable telephone 101 is turned on, the first CPU 106 reads a program from the first program section 109. FIG. 2 shows a program executed immediately after the power is turned on.

Referring to FIG. 2, first CPU 106 detects whether or not a power key has been input from key detection circuit unit 103 (step 201). Here, when the user presses the power key, the signal is transmitted from transmitter 102. ID
A timer for setting a waiting time for receiving information is started (step 202). In the present invention, the maximum waiting time is assumed to be 30 seconds, and a 30-second timer is started. Next, it is checked whether the timer has timed out (step 203). If the timer has passed 30 seconds, the power supply control unit 104 turns on the LCD,
The LCD displays "ID reception waiting time-out" (step 207). If the timer is less than 30 seconds, the character string “1” transmitted from the transmitter 102
The first wireless control unit 107 is notified to receive 234 ″ (step 204).
Checks whether the first wireless control unit 107 has received the character string "1234" (step 205). If not, the process is repeated from step 203. If it has been received, the character string "1234" stored in the first ID storage unit (105) is read out, and it is confirmed whether or not it is equal to the character string "1234" received from the transmitter 102 (step 206). In this example, the power supply control unit 104 is notified to turn on the power required for the function of the mobile phone because they are equal, and the program for realizing the function of the mobile phone stored in the program unit 109 is activated (step 208). The power control unit 104 turns on the power of various devices. Thus, the user can perform an operation by inputting a numeric key, and can communicate with a communication destination using the mobile phone 101. If they are not equal, the power supply control unit 104 is notified to turn on the LCD, and the LCD displays "ID error and cannot be used."
Is displayed (step 209).

If possible, the actual ID information is a character string "
It is preferable that the data is not identifiable as in 1234 ″ but is encrypted.

The transmitter 102 emits a weak radio wave. In the embodiment of the present invention, the range of the radio wave reaches 5 m. Therefore, in the case of 5m or more,
The mobile phone 101 times out and becomes unusable (steps 203 and 207 in FIG. 2). For this reason, even if the user unknowingly stolen, the stolen mobile phone is not used at a close distance, and fraud can be prevented.

When the power of the transmitter 102 is turned off, radio waves are not transmitted, so that the cellular phone 101 times out and cannot be used (steps 203 and 207 in FIG. 2). Therefore, when the user turns off the power of the transmitter 102 when not in use, so that the transmitter 102 cannot be used, there is an effect that even if the user unknowingly stolen, the fraud can be prevented.

Next, a second embodiment will be described with reference to the drawings.

Instead of constantly transmitting radio waves from the transmitter as in the first embodiment, the transmitter is replaced with a transceiver, and the portable telephone inquires the transceiver about ID information. A method of transmitting the ID information to the mobile phone by receiving the inquiry about the ID information from is also possible.

Referring to FIG. 3, according to a second embodiment of the present invention, a portable telephone 30 communicates with a communication destination via a base station.
1 and a transceiver 302.

The mobile phone 301 has a first CPU 306.
A key detection circuit unit 303 having means for detecting that a power key and other keys have been pressed and notifying the first CPU 306 of the pressed key when the power key and other keys have been detected; A power control unit 304 having a unit for performing ON / OFF control of power to various devices (microphone, speaker, LCD, numeric keys) inside the telephone
And a first program unit 309 for storing a processing program of the mobile phone, and a first I / O for storing unique ID information.
D storage unit 305 and the first CPU 306 receive wireless data with the first antenna 308 based on the notification from the first CPU 306.
And a first wireless control unit 307 having means for notifying U306 of received data. First ID storage unit 305
Uses an element that is rewritable and does not erase stored data even if power is not supplied to the mobile phone 301.

The transceiver 302 has a second CPU 311
And a second ID storage unit 310 for storing unique ID information
And the second antenna 3 based on the notification from the second CPU 311.
A second wireless control unit 312 having a unit for transmitting wireless data from the external device 13 and an ID information request message received from the outside to read the ID information stored in the second ID storage unit 310; A second program unit 314 that stores a program that repeats an operation of notifying information to the second wireless control unit 312. The second ID storage unit 310 is rewritable, and
2 uses an element that does not erase stored data even if power is not supplied to the device 2.

The first ID storage unit 305 and the second ID storage unit 310 store the same ID information to be used for authentication.

FIG. 4 is a schematic flowchart when the mobile phone 301 executes a program relating to ID information among the programs of the program unit 309. The main functions are as follows: monitoring means (steps 402 to 405) for setting a predetermined time and monitoring the ID information; and transmitting the ID information request message and receiving the ID information within a predetermined time.
A comparing unit (steps 404 to 407) for comparing the D information with the ID information stored in the ID storage unit 305; and a communication enabling unit (step 409) for enabling communication according to a user's operation instruction when they match. If they do not match, inform the user that it cannot be used (step 41).
0), and when the ID information cannot be received within a predetermined time, I
Notifying that the D information could not be received (step 408).

Next, the operation of the second embodiment of the present invention will be described with reference to FIGS.

In FIG. 3, a character string "1234" is stored in advance as ID information equivalent to the first ID storage unit 305 and the second ID storage unit 310. The first program unit 309 includes a program executed immediately after the power is turned on.
And a program for realizing the function of the mobile phone 301 are stored. Further, the second program unit 314 reads out the character string “1234” stored in the second ID storage unit 310 by receiving the ID information request message from the mobile phone 301,
The read character string “1234” is stored in the second wireless control unit 31.
2 is stored.

When the power of the transceiver 302 is turned on, the second
CPU 311 reads a program from the second program unit 314. Next, the second CPU 311 waits for reception of an ID information request message from the mobile phone 301 according to the program.

Next, when the portable telephone 301 is turned on, the first CPU 306 reads a program from the first program unit 309. FIG. 4 shows a program executed immediately after the power is turned on. Referring to FIG.
The CPU 306 detects whether the power key has been input from the key detection circuit 303 (step 401). Here, when the user presses the power key, the waiting time for receiving the ID information transmitted from the transceiver 302 is reduced. The set timer is started (step 402). In the present invention, the maximum waiting time is assumed to be 30 seconds, and a 30-second timer is started. Next, it is checked whether the timer has timed out (step 403). If the timer has passed 30 seconds, the power supply control unit 304 turns on the power of the LCD, and displays "time out for ID reception wait" on the LCD (step 408). If the timer is less than 30 seconds, the transceiver 302
It inquires of D information (step 404), and notifies the first wireless control unit 307 to receive the character string "1234" transmitted from the transceiver 302 (step 405).

Next, the transceiver 302 is connected to the mobile phone 301.
By receiving the ID information request message from
The character string “1234” is read from the second ID storage unit 310, and a notification is made to transmit the read character string “1234” to the second wireless control unit 312. When receiving the transmission notification from the second CPU 311, the second wireless control unit 312 transmits the character string “1234” as a radio wave from the second antenna 313.

Next, the first CPU 306 checks whether the first wireless control unit 307 has received the character string "1234" (step 406). If not, the process is repeated from step 403. If you have received
The character string “12” stored in the first ID storage unit 305
34 "is read, and it is confirmed whether or not it is equal to the character string" 1234 "received from the transceiver 102 (step 40).
7). In this example, the power supply control unit 304 is notified to turn on the power required for the function of the mobile phone because they are equal, and the program for realizing the function of the mobile phone stored in the program unit 309 is started (step 409). ).
The power control unit 304 turns on the power of various devices. Thus, the user can perform an operation by inputting a numeric key, and can communicate with a communication destination using the mobile phone 301. If they are not equal, the power control unit 30
4 turns on the LCD, and displays "ID is error" on the LCD (step 410).

If possible, the actual ID information is a character string "
It is preferable that the data is not identifiable as in 1234 ″ but is encrypted. Further, a transceiver that applies a pager or the like may be used.

When the power of the transceiver 302 is turned off, radio waves are not transmitted, so that the cellular phone 301 times out and cannot be used (steps 403 and 408 in FIG. 4). Therefore, when the user turns off the power of the transmitter 102 when not in use, so that the transmitter 102 cannot be used, there is an effect that even if the user unknowingly stolen, the fraud can be prevented.

[0057]

The first effect is that the unauthorized use of the portable telephone by a third party can be easily prevented.

The reason is that the user is identified wirelessly between the portable telephone and the transmitter or the transmitter / receiver without passing through the base station, thereby preventing unauthorized use by a third party.

The second effect is that the user does not forget to prevent unauthorized use.

The reason is that illegal use is prevented by continuously transmitting ID information from a transmitter that can be individually managed. Alternatively, it can be checked by ID information from a transceiver that can be managed by an individual.

The third effect is that unauthorized use of the portable telephone by a third party can be prevented.

The reason is that the mobile phone can be used only within the range of radio waves of the transmitter or the transceiver, and can be used only within the range of the owner's eyes (can be used with weak radio waves). It is.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a flowchart illustrating an example of startup of the mobile phone according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is a flowchart illustrating an example of starting up a mobile phone according to the second embodiment of the present invention.

[Explanation of symbols]

 101, 301 Mobile phone 102 Transmitter 302 Transceiver 103, 303 Key detection circuit unit 104, 304 Power control unit 105, 110, 305, 310 ID storage unit 106, 111, 306, 311 CPU 107, 112, 307, 312 Wireless Control unit 108, 113, 308, 313 Antenna 109, 114, 309, 314 Program unit

Claims (10)

[Claims] 1. A monitoring means for monitoring user identification data information received from a wireless device after power-on, wherein the monitoring means receives the user identification data information within a predetermined time and receives the received user identification data information. Comparing means for comparing the user identification data information with pre-stored user identification data information, and communication enabling means for enabling communication with a communication destination when the comparison means matches. A mobile phone with a function to prevent unauthorized use. 2. A portable telephone which communicates with a communication destination via a base station, and a transmitter which communicates with the portable telephone, wherein the portable telephone receives user identification data information received from the transmitter after power-on. Monitoring means for monitoring, if the user identification data information is received within a predetermined time in the monitoring means, the received user identification data information and the user identification data information previously stored in the storage unit, And a communication enabling means for enabling communication with a communication destination when the comparison results in a match, and the transmitter includes a transmitting means for transmitting the user identification data information. A portable telephone system having a function for preventing unauthorized use. 3. A monitoring means for monitoring user identification data information received from a wireless device after power-on, wherein the monitoring means transmits a request message for user identification data information to the wireless device, and further comprising: If the user identification data information is received within a predetermined time from the wireless device as a reply, a comparison unit that compares the received user identification data information with the previously stored user identification data information, A portable telephone having an unauthorized use prevention function, comprising: a communication enabling means for enabling communication with a communication destination when the comparison result matches. 4. A first user receiving a signal from a wireless device after power-on, including a mobile phone communicating with a communication destination via a base station, and a wireless device communicating with the mobile phone. Monitoring means for monitoring the identification data information, wherein the monitoring means transmits a request message for the first user identification data information to the wireless device, and returns the request message within a predetermined time from the wireless device as a reply to the request message. 1
Receiving the first user identification data information, and comparing the received first user identification data information with the second user identification data information stored in advance in a storage unit; And a communication enabling means for enabling communication with a communication destination when the request message of the user identification data information is received. A portable telephone system having an unauthorized use prevention function, characterized by comprising a transmission means for transmitting a message. 5. The apparatus according to claim 1, wherein the power source is not turned on when the values do not match.
A mobile phone with the described unauthorized use prevention function. 6. The portable telephone system with an unauthorized use prevention function according to claim 2, wherein the power supply in the portable telephone is not turned on if the comparison means does not match. 7. The mobile phone having an unauthorized use preventing function according to claim 1, wherein when the comparison means does not match, the user is notified that the user cannot use the portable telephone. 8. The portable telephone system having an unauthorized use function according to claim 2, wherein when the comparison means does not match, the user is notified that the user cannot use the portable telephone. 9. The system according to claim 1, wherein when the monitoring means does not receive the user identification data information within a predetermined time, it notifies that the user identification data information could not be received. A mobile phone with a function to prevent unauthorized use. 10. The apparatus according to claim 2, wherein when the monitoring means does not receive the user identification data information within a predetermined time, it notifies that the user identification data information could not be received. A mobile phone system with a function to prevent unauthorized use.