JP2009008392A - Car navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a car navigation device capable of setting a vehicle traveling destination by using date-and-time information included in a content acquired from a portable information terminal or the like. <P>SOLUTION: This device is equipped with a present position detection part 108 for detecting the present position of a vehicle, a display part 110 for displaying map data corresponding to the present position of the vehicle detected by the present position detection part 108 as a road map, a communication part 102 for acquiring external data related to the vehicle traveling destination, a route history accumulation part 106 for storing traveling history information of the vehicle, and a destination setting part 105 for setting the vehicle traveling destination based on comparison between the external data acquired by the communication part 102 and route history information stored in the route history accumulation part 106. When a comparison result between the external data and the route history information shows agreement, the vehicle traveling destination can be set by using related position information. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a car navigation device that displays map data corresponding to a current position of a vehicle as a road map, and receives the date / time information from the outside or contents such as video, image, voice, and text including date / time information, and the vehicle The present invention relates to a car navigation device for setting a destination.

  Conventionally, a current position of a vehicle is detected by a position detection unit using GPS (Global Positioning System) or the like, and a route from the current position to a destination is based on map data stored in a storage medium such as a CD-ROM. 2. Description of the Related Art A car navigation device that performs calculation, displays a route on which a vehicle should travel from now on a liquid crystal display together with a current position of the vehicle, and further performs route guidance by voice is known.

  Further, in recent years, a car navigation device having a function of receiving and storing contents such as video, images, sounds, and characters from a mobile information terminal such as a mobile phone from the outside has been proposed.

A conventional car navigation device having a function of receiving and storing contents such as video, images, sounds and characters from the outside stores an image file storage area storing an image file capable of distinguishing a facility and location information of the facility A storage unit including a position information storage area, a display unit such as a CRT or LCD display, a transmission / reception unit with an external device, and a terminal processing unit that controls the operation of each unit, and a transmission / reception unit with the external device Receives the information image in which the location information of the facility and the information related to the facility are incorporated as image related information from the outside, stores the received information image in each storage area of the storage unit, and selects the information selected in the display unit Display the image, read the facility image file and location information included in the information image in the terminal processing unit, and embed the read location information in the image file And which sets the position information to the destination of the travel of the vehicle is proposed by (e.g., see Patent Document 1).
JP 2002-229994 A

  However, in the conventional car navigation device, the location information of the facility included in the information image is used as the map data by using the information image in which the location information of the facility and the information related to the facility are incorporated in the content received from the outside. The destination is set by using a personal computer or the like, and a specific facility incorporated in the information image can be set, but the destination for driving the vehicle cannot be set.

  In addition, there is a problem that a special format is required for the information image including the position information.

  The present invention has been made to solve such a conventional problem, and compares and matches information received from the outside or information generated by the device itself with route history information stored in the car navigation device. In this case, it is an object to provide a car navigation device that can extract the associated position information and set the extracted position information as a destination of travel of the vehicle.

  A car navigation device of the present invention includes a current position detection unit that detects a current position of a vehicle, a display unit that displays map data corresponding to the current position of the vehicle detected by the current position detection unit, as a road map, A data acquisition unit for acquiring external data related to the destination of travel, a route history storage unit for storing vehicle travel history information, external data acquired by the data acquisition unit, and a route history stored in the route history storage unit It has a configuration including a destination setting unit that sets a destination of travel of the vehicle based on comparison with information.

  With this configuration, when the information acquired from the outside matches the route history information stored in the car navigation device, the associated position information is extracted, and the extracted position information is used for the purpose of traveling the vehicle. It can be set and displayed as a ground.

  In the car navigation device according to the present invention, the external data acquired by the data acquisition unit is configured by date / time information or content including date / time information.

  With this configuration, the date / time information can be acquired from the acquired external data.

  In the car navigation device of the present invention, the route history information stored in the route history storage unit is acquired by the date and time information and position information that the vehicle has passed or by the date and time information and position information and the data acquisition unit that the vehicle has passed. It has a configuration comprising content information or date and time information and position information passed by the vehicle, and setting information of the apparatus main body or vehicle.

  With this configuration, the date and time information and position information that the vehicle has passed, the date and time information and location information that the vehicle has passed, the received content information, the date and time information and position information that the vehicle has passed, and the device setting information or the vehicle setting information Can be stored as route history information.

  The car navigation device of the present invention has a configuration in which external data is acquired from an external portable information terminal wirelessly or by wire.

  With this configuration, external data can be acquired from an external portable information terminal wirelessly or by wire.

  The car navigation apparatus of the present invention has a configuration in which external data is generated by the apparatus main body.

  With this configuration, external data can be generated by the apparatus main body.

  The car navigation device of the present invention has a configuration in which external data is stored in a memory card.

  With this configuration, external data can be stored and moved in the memory card.

  Further, the car navigation device of the present invention has a configuration in which the route history information stored in the route history accumulation unit can be transferred to another vehicle via the communication unit.

  With this configuration, route history information can be transferred to another vehicle.

A car navigation device of the present invention includes a current position detection unit that detects a current position of a vehicle, a display unit that displays map data corresponding to the current position of the vehicle detected by the current position detection unit, as a road map, A data acquisition unit for acquiring external data related to the destination of travel, a route history storage unit for storing vehicle travel history information, external data acquired by the data acquisition unit, and a route history stored in the route history storage unit By providing a destination setting unit that sets the destination of travel of the vehicle based on the comparison with the information, the user can specify specific location information such as a place name, address, and telephone number as the destination of travel of the vehicle If the information acquired by the external data acquisition unit matches the route history information stored in the car navigation device without matching, the associated location information Can provide a car navigation device that can easily set the extracted position information as a travel destination of the vehicle and does not require a special format for the information image including the position information. It is.

Hereinafter, a car navigation apparatus according to an embodiment of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1 is a block diagram showing the configuration of the car navigation apparatus according to Embodiment 1 of the present invention.

  In FIG. 1, a car navigation device 100 according to the first embodiment includes a control unit 101, a communication unit 102, a content storage unit 103, a time information acquisition unit 104, a destination setting unit 105, a route history storage unit 106, and map data storage. Unit 107, current position detection unit 108, audio output unit 109, display unit 110, and operation input unit 111.

  The control unit 101 includes a microcomputer such as a CPU, a ROM, and a RAM, and compares the content received from the portable information terminals 121, 122, and 123 of the external device with the route history information stored in the route history storage unit 106. Thus, the destination of travel of the vehicle is calculated and the entire apparatus is controlled.

  The communication unit 102 has a function of a data acquisition unit that acquires external data, and receives and acquires contents such as video, images, sounds, and characters transmitted from the portable information terminals 121, 122, and 123 of the external device. And the function of transmitting and transferring the content accumulated in the content accumulation unit 103 and the route history information stored in the route history accumulation unit 106 to another vehicle.

  The content storage unit 103 stores content such as video, images, sounds, and characters received by the communication unit 102, and is configured by a hard disk device.

  The time information acquisition unit 104 acquires the current time from GPS or the like.

  The destination setting unit 105 sets the destination of travel of the vehicle based on the result calculated by the control unit 110.

  The route history storage unit 106 includes time information acquired by the time information acquisition unit 104, map information stored in the map data storage unit 107, current position information detected by the current position detection unit 108, and video received from the communication unit 102, Route history information in which content information such as images, sounds, and characters is associated is stored.

  The map data storage unit 107 stores map data downloaded from the outside, and is configured by a hard disk device. Instead of downloading from the outside, the map data stored in the DVD-ROM may be read and accumulated.

  The current position detection unit 108 includes a GPS receiver, a vehicle speed sensor, an azimuth sensor, and the like, and corrects the current position data and the azimuth data acquired from the GPS receiver with sensor signals from the vehicle speed sensor and the azimuth sensor to accurately detect the vehicle. The present position is detected.

  The audio output unit 109 includes a speaker that outputs a search route guidance, a traveling guide, an operation explanation, a part of content received from the outside, and the like.

  The display unit 110 displays a vehicle current position mark, a road map, a part of content received from the outside, and the like, and is configured by a CRT or LCD display.

  The operation input unit 111 is configured by a touch panel, a remote control, or the like provided on the front surface of the display unit 110 for an operator to input an instruction. A signal is input when the operator operates the touch panel, the remote control, or the like. The

    Note that the communication method between the car navigation device 100 and the portable information terminals 121, 122, 123 such as a mobile phone may be wired or wireless (Bluetooth, wireless LAN, etc.), and an SD memory card, memory stick, etc. without using communication. Information may be exchanged with a memory card.

  FIG. 2 is a conceptual diagram showing a process from the departure place to the destination for explaining the concept of the car navigation apparatus of the present invention.

  In FIG. 2, a vehicle equipped with the car navigation device of the present invention departs from a departure point 201, parks at a disembarking point 202 on the way, the user moves to a photographing point 203 by walking, and is carried at the photographing point 203. After taking a picture with a portable information terminal such as a telephone, return to the disembarking point 202, travel to the next disembarking point 204, and after taking a picture at the photographing point 205 in the same manner, it shows a case where it arrives at the destination 206 Yes.

  For example, when arriving at the drop-off point 202 at 9:00 on March 10th, 2005, moving to the shooting point 203 by walking, taking a picture at 10:00, and then leaving the drop-off point 202 at 11:00 In the time zone (9:00 to 11:00) when the user gets off the vehicle, the position is not changed because the vehicle is parked. However, route history information having the same position information and different location information is stored. On the other hand, a shooting time is added as date / time information to a photograph taken at a shooting point 203 by a portable information terminal such as a mobile phone.

  When you want to go to the shooting point 203 again at a later date, if you send a photo as external data taken by a portable information terminal such as a mobile phone at 10:00 on March 10th, 2005 to the car navigation device 100, Comparing the date and time information included (2005 ** Month 10th 10:00) with the date and time information stored in the route history storage unit 106, the place where the vehicle was located at the matching date and time (alighting point) 202) can be specified, and this specified location can be set as the destination of travel of the vehicle by the destination setting unit 105.

  The operation of the car navigation apparatus configured as described above will be described with reference to the flowchart of FIG.

  First, the communication unit 102 receives content at a desired location such as video, image, audio, and text from a portable information terminal such as a cellular phone (S301). Next, date information included in the received content is extracted and acquired (S302).

  The control unit 101 compares and compares the acquired date and time information with the date and time information in the route history information stored in the route history storage unit 106 (S303).

  As a result of the comparison, if the date / time information corresponding to the acquired date / time information is not included in the route history information (NO in S303), the process ends.

  If the date and time information corresponding to the acquired date and time information is found in the route history information as a result of the comparison, the position information associated with the date and time information is extracted, and the extracted position information is set as the destination. The unit 105 sets the destination of vehicle travel (S304) and ends the process.

  FIG. 4 shows an example of a database configuration stored as route history information. The date / time information is associated with the latitude / longitude position information where the vehicle existed at the date / time and is made into a database.

  The date / time information may be set corresponding to a specified time interval, an arbitrary time, or a time when a state change occurs.

  The position information is not limited to longitude and latitude, and parameters such as sea level and altitude may be adopted.

  As described above, according to the car navigation device of the present embodiment, the date / time information stored in the route history information and the date / time information in the content such as video, image, audio and text acquired by the data acquisition unit When the comparison results in a match, the position information associated with the date / time information is extracted from the route history information, and the destination of travel of the vehicle can be easily set using the extracted position information.

  In this embodiment, the case where content is acquired from the outside using a portable information terminal such as a mobile phone has been described. However, even if the content is transferred to a car navigation device using a memory card such as an SD memory card or a memory stick. Good.

  As a result, the degree of freedom of setting a destination by a card that can be carried freely is increased as well as wireless transmission and transmission of content.

  Further, the present invention directly inputs date / time information as external data from the operation input unit of the car navigation device itself without using content from an external device, and compares it with date / time information stored in route history information. If they match, the position information associated with the date and time information may be extracted, and the extracted position information may be used to set the destination of travel of the vehicle.

Furthermore, the content can be transferred to another vehicle via a data acquisition unit having a communication unit that transmits and receives external data, so that users of other vehicles can easily set the same destination, or other By receiving the transfer from the other vehicle, the same destination as the other vehicle can be easily set.
(Embodiment 2)
Since the block diagram showing the configuration of the car navigation device in the second embodiment of the present invention is the same as the block diagram in the first embodiment, a description thereof will be omitted.

  FIG. 5 is a flowchart showing the operation of the car navigation device according to Embodiment 2 of the present invention.

  In FIG. 5, steps S501, S502, S503, and S504 are the same as steps S301, S302, S303, and S304 in FIG.

  In the present embodiment, the control unit 101 acquires the date and time information acquired from the content acquired by the data acquisition unit and the date and time information in the route history information stored in the route history storage unit 106 as a result of the comparison and collation. If there is no date / time information corresponding to the date / time information in the route history information (NO in S503), a comparison is made as to whether the acquired content matches the content stored in the route history information (S505).

  As a result of the comparison, if the acquired content does not match the content stored in the route history information (NO in S505), the process ends.

  If the acquired content matches the content stored in the route history information as a result of the comparison (YES in S505), the position information associated with the acquired content is extracted, and the extracted position information The destination setting unit 105 sets the destination of travel of the vehicle (S504), and the process ends.

  FIG. 6 shows an example of a database configuration stored as route history information. The date / time information, the latitude / longitude position information where the vehicle existed at that date / time, and the contents of the content are associated with each other to form a database. Has been.

  As described above, according to the car navigation device of the present embodiment, in addition to obtaining the same effects as those of the first embodiment, external data such as video, images, sounds, and characters acquired by the data acquisition unit Even if the date / time information is not included in the content, the date / time information and the location information of the latitude / longitude where the vehicle existed at that date / time are already associated with the content as route history information. Since it is stored, the position information associated when the contents of the received contents match can be extracted, and the destination of travel of the vehicle can be easily set using the extracted position information.

  For example, when a photographic image without date / time information is received as content, if the same photographic image is already stored in the database, it can be searched and position information associated with the same photographic image can be extracted. A location such as a parking lot that was parked when the image was taken can be set as the destination of the vehicle.

  In the present embodiment, the contents of video, image, audio, text, and other contents, date information, and position information are stored in a database, and the position information associated with the contents acquired from the outside is extracted. The audio volume, sound mode of the audio device incorporated in the vehicle equipped with the car navigation device of the present invention or the audio device incorporated in the car navigation device of the present invention, The operation status of the device such as the title, genre and singer name played, the temperature setting of the air conditioner, the setting of the door mirror, the various vehicle setting information such as the seat position and the position information are made into a database, and the operation status of the device and the vehicle When the various setting information matches, the position information associated with the setting information is used to set the destination of the vehicle. It may be.

  As described above, the car navigation device according to the present invention is based on the stored route history information and the external data acquisition unit even if the user does not input and set the specific location information such as the place name, address, and telephone number. Since information about date information included in the acquired content can be used to easily set the travel destination of the vehicle, it is useful for car navigation devices, portable navigation devices, and the like.

The block diagram which shows the structure of the car navigation apparatus in embodiment of this invention The figure which shows the concept of the car navigation apparatus in Embodiment 1 of this invention. The flowchart which shows operation | movement of the car navigation apparatus in Embodiment 1 of this invention. The figure which shows an example of the database structure in Embodiment 1 of this invention. The flowchart which shows operation | movement of the car navigation apparatus in Embodiment 2 of this invention. The figure which shows an example of the database structure in Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Car navigation apparatus 101 Control part 102 Communication part 103 Content storage part 104 Time information acquisition part 105 Destination setting part 106 Route history storage part 107 Map data storage part 108 Current position detection part 109 Voice output part 110 Display part 111 Operation input part 121, 122, 123 portable information terminal

Claims (7)

Related to a current position detection unit for detecting the current position of the vehicle, a display unit for displaying map data corresponding to the current position of the vehicle detected by the current position detection unit as a road map, and a destination of the vehicle traveling A data acquisition unit for acquiring external data, a route history storage unit for storing travel history information of the vehicle, the external data acquired by the data acquisition unit, and the route history information stored in the route history storage unit A car navigation device comprising: a destination setting unit that sets a destination of travel of the vehicle based on a comparison with the vehicle. The car navigation device according to claim 1, wherein the external data acquired by the data acquisition unit is date / time information or content including date / time information. The route history information stored in the route history storage unit includes the date and time information and position information that the vehicle has passed, the date and time information and position information that the vehicle has passed, and the content information received by the data acquisition unit, or The car navigation apparatus according to claim 1, comprising date and time information, position information, and apparatus main body or setting information of the vehicle. The car navigation device according to claim 1, wherein the external data is acquired from an external portable information terminal wirelessly or by wire. The car navigation device according to claim 1, wherein data corresponding to the external data is generated by the device main body. The car navigation device according to claim 1, wherein the external data is stored in a memory card. The data acquisition unit includes a communication unit that transmits and receives the external data, and the route history information stored in the route history storage unit can be transferred to another vehicle via the communication unit. The car navigation device according to claim 1.

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