JP2000193474A - Car navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect driver's privacy by controlling to limit operation of a stored use history, etc., when a driver ID inputted in an ID input means is not an ID stored in a storage means. SOLUTION: A navigation system 12 comprises a navigation computer 22 and an ID input means 28, etc. Driver's ID information is stored in a card key 30 for opening/closing car's door and for turning on/off an ignition switch. When an ignition is turned on the card key 30, the driver ID stored in the card key 30 is read by the ID inputting means 28 of the navigation system 12 and then outputted to the navigation computer 22. The navigation computer 22 collates the stored IDs which is used in the navigation system 10 in the past to an inputted ID, and if there is no matching ID, a part of operations for the navigation system 10 is restricted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car navigation system which is mounted on a vehicle and measures the position of the vehicle and provides guidance to a destination.

[0002]

2. Description of the Related Art Conventionally, GPS (Global Positioning)
System) The position of the vehicle is measured by a direct signal from a satellite, and displayed on the screen together with the map data stored in a CD-ROM, etc., and guidance route information to the set destination is displayed on the screen. 2. Description of the Related Art A car navigation system for notifying by a map and a guidance voice is known.

[0003] Car navigation systems include:
Many of them have a function of displaying a running history on a map and storing the running history as a running history. This function is used when the driver is driving in an unfamiliar area or on a road that is not on navigation, once driving on the route, the driving route is stored as a driving history, and the driving is relied on that history. This is a useful system that will ensure that you can reach your destination.

[0004]

However, since this function can be used for an unspecified driver, it is not possible to protect privacy when a driver is changed or for a passenger. It is also conceivable that the data is erased carelessly.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a car navigation system capable of protecting privacy of a driver and preventing inadvertent data deletion by another driver.

[0006]

According to a first aspect of the present invention, there is provided a car navigation system which measures a position of a vehicle and provides guidance to a destination by a map and a voice guide displayed on a screen. ID to enter the ID of
Input means; storage means for storing a use history of use of the car navigation system together with an ID input to the ID input means; and control means for controlling operation of the car navigation system; When the ID input to the input means is stored in the I
When the condition is not D, the operation is restricted by the control means.

According to the first aspect of the present invention, there is provided a car navigation system for locating the position of a vehicle and providing guidance to a destination by using a map and a voice guide displayed on a screen, wherein a driver inputs the ID input means. The ID is recognized by inputting the ID. In the storage means, the use history of using the car navigation is stored together with the ID of the driver who operated the use history. When the ID input to the ID input unit does not correspond to the ID stored in the storage unit, the control unit controls to limit the operation such as the use history stored in the storage unit. As described above, when the IDs do not match, the privacy of the driver can be protected by adding an operation restriction.

[0008] The invention according to claim 2 is characterized in that the use history stored in the storage means is a past travel history including map information.

According to the second aspect of the present invention, the use history of the car navigation system stored in the storage means is a past run history including map information,
As long as the IDs input to the D input unit do not match, the operation on the driving history of the driver can be restricted, and the privacy of the driver can be protected.

[0010] The invention according to claim 3 is characterized in that the use history stored in the storage means is location registration data for registering a location on a map.

According to the third aspect of the invention, the use history of the car navigation system stored in the storage means is point registration data for registering a point on a map.
As long as the IDs input to the D input unit do not match, the operation on the registered point registration data can be restricted, and the privacy of the driver can be protected.

The invention according to claim 4 is characterized in that the operation restriction performed by the control means is display of the usage history on a screen and deletion of the usage history.

According to the fourth aspect of the present invention, the operation restriction performed by the control means is display, update, deletion, etc. of a use history, for example, a travel history, point registration data, etc. on a screen. The ID input to the means is the I of the usage history.
By preventing the operation from being performed unless it matches D, it is possible to protect the privacy of the driver and prevent inadvertent deletion of the use history such as the travel history and the location registration data by another driver.

According to a fifth aspect of the present invention, the ID input means comprises at least electronic key recognition, fingerprint recognition, or voiceprint recognition.

According to the present invention, a predetermined driver can be recognized by inputting a driver ID at least by an electronic key, fingerprint recognition, or voiceprint recognition. As a result, the operation of the car navigation system other than the driver whose ID has been recognized can be restricted, and the operation of the driving history of the driver and the use history such as point registration data can be restricted, thereby protecting the privacy of the driver. be able to.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of the car navigation system.
FIG. 2 is a diagram showing a schematic vehicle mounting position of the car navigation system 10.

A car navigation system 10 according to an embodiment of the present invention includes a navigation device 12, a VICS
(Vehicle Information & Communication System) device 14 and audio system 16.

The navigation device 12 includes a display & operation panel 20, a navigation computer 22,
The car navigation system 1 includes a GPS antenna 24, a CD-ROM 26, and ID input means 28.
The operations of the audio system 16 such as the TV 0, the TV, the cassette player 54, the CD changer 52, etc. are all performed on the display & operation panel 20. These operations can be remotely controlled by a passenger using the remote controller 32.

Further, in the present embodiment, the locking and unlocking of the door of the vehicle and the turning on / off of the ignition switch are performed by the card key 30. Driver ID information is stored in the card key 30. The driver ID stored in the card key 30 is input to the navigation device 12 by inserting the card key 30 into a predetermined position and turning on the ignition. Card key 3 by means
Read from 0. The driver ID read by the ID input means is output to the navigation computer 22. The navigation computer 22 stores the ID stored in the navigation computer 22 in the past using the navigation system 10 and the input I
D is checked and if there is no matching ID,
Some operations of the navigation system 10 are restricted.

The display & operation panel 20 is disposed at the center of the instrument panel, and includes a panel switch and a touch switch operated by touching the screen with a finger. The display section of the display & operation panel 20 incorporates a color liquid crystal panel so that a TV image and a computer output screen can be displayed. A cold-cathode tube (fluorescent lamp)
Built-in backlight using.

A navigation computer 22 connected to the display & operation panel 20 is arranged in a trunk room, measures the position of the vehicle, displays the position on a map, and informs the user of guidance route information to the destination by means of a map and guidance voice. It controls the car navigation system 10. In addition, the navigation computer 22
CD- built-in navigation computer 22
CD-ROM on which screen data of map information, guidance voice data and destination search data are recorded by a ROM player
The data is read from the ROM 26 and output to the display & operation panel 20. Further, the navigation computer 22 receives a signal from a GPS satellite arranged in outer space at an altitude of about 20,000 km by a GPS antenna 24 arranged on a par shell board behind the rear seat, obtains a current position, and obtains a CD-ROM 26. The present position is displayed on the display of the display & operation panel 20 together with the map information, together with the data of the map information recorded in the. In addition, the navigation computer 22
The guidance voice data read from the CD-ROM 26 is output as a voice by the audio system 16 described later.

Next, the configuration of the VICS device 14 will be described. VICS is a road traffic information system, which is a system that provides road traffic information such as traffic congestion conditions and traffic regulations, parking lot information, travel time information, and the like directly to a vehicle-mounted device in real time. With these information, general road information is collected by each prefectural police, and highway information is collected by each road manager. Through the Japan Road Traffic Information Center,
The information is processed by the ICS center and provided to the on-vehicle device by each medium (radio wave beacon, optical beacon, FM multiplex broadcasting). This in-vehicle device is the VICS device 14,
The CS device 14 has a radio / beacon disposed on the upper surface of the instrument panel on the passenger seat side for transmitting information from a radio beacon installed on a highway or the like by a road manager or an optical beacon installed by a prefectural police on a general road. A beacon antenna 38,
It comprises an FM multiplex broadcasting antenna 36 for transmitting information from the FM multiplex broadcasting, and a VICS computer 34 arranged in a trunk room for receiving and demodulating VICS information from each medium, transferring the information to the navigation computer 22. ing.

The information obtained by the VICS device 14 is output to the navigation computer 22, processed by the navigation computer 22, and displayed on the display & operation panel 20 together with the map information and the guide route information.
And an audio guide is provided via the audio system 16.

In the audio system 16, a cassette player 54, a CD changer 52, and a multi-tuner 46 are connected to an audio preamplifier 40 for performing various adjustments such as sound quality, left / right balance, fader, and tone. ,
The audio output from the CD changer 52, the multi-tuner 46, the navigation computer 22 and the like is output to the audio power amplifier 40. The audio preamplifier 40, the audio power amplifier 42, and the multi-tuner 46 are arranged in a trunk room, and the cassette player 54 is built in the display & operation panel 20, and the CD changer 52
Are located in the glove box.

The audio power amplifier 42 is connected to a speaker 44, and amplifies the above-mentioned various audio outputs and outputs them as audio. The multi-tuner 46 is connected to the FM multiplex broadcasting antenna 36, the TV antenna amplifier 48, and the display & operation panel 20. The multi-tuner 46 is connected to a TV antenna amplifier 48 arranged on a rear pillar, outputs a video signal of a TV broadcast radio signal received from a TV antenna 50 attached to a rear window to a display of the display & operation panel 20 and The audio signal is output to the audio preamplifier 40. The multi-tuner 46 also outputs the FM multiplex broadcast radio signal received from the FM multiplex broadcast antenna 36 to the audio preamplifier 40.

In the car navigation system 10 of the present embodiment, once the vehicle travels on a route stored in the CD-ROM 26 and not in the map information, the travel route is stored in the navigation computer 22 as a travel history. Navigation can be performed based on the Further, location registration can be performed by storing the location registration in the navigation computer 22, and navigation can be performed based on the stored location registration data.

The reading of the driving history, the deletion of the driving history, and other operations related to the driving history, and the operations of reading, deleting, and other points registered data of the location registration data are input to the ID input means 28 described above. ID that has been used in the past by using the navigation system 10
And can be operated only when the ID matches. In this way, by performing ID collation,
It is possible to protect the privacy of the driver with respect to the travel history, the location registration data, and the like, and prevent inadvertent deletion of the travel history data, location registration data, and the like by other drivers.

Further, the car navigation system 10 of the present embodiment inputs a vehicle speed signal from a vehicle speed sensor 58 disposed on the transmission to the navigation computer 22 via the combination meter 56, and controls the operation of the display & operation panel 20. Some operations are restricted so that they cannot be performed during driving.

Next, the operation of this embodiment will be described with reference to FIGS. 1, 2 and 3 for a case where the above-mentioned travel history is operated.

At step 100, the driver inserts the card key 30 into a predetermined position. At step 102, when the ignition is turned on, the navigation system 10 is activated at step 104 and the flag is set to 0.
(Initial value). In the following step 106, the driver ID is read by the ID input means of the navigation device 12, and the process proceeds to step 108. Step 108
Then, the ID read by the ID input means in the navigation computer 22 is collated with the ID stored in the navigation computer 22 together with the travel history, and the routine proceeds to step 110. In step 110, the navigation computer 22 determines whether or not there is a compatible ID among the travel history data and the ID stored in the navigation computer 22. If there is a compatible ID, the process proceeds to step 112. Step 112
Then, it is determined whether the flag is 1. If it is determined in step 112 that the flag is not 1, the process proceeds to step 114. In step 114, it is determined whether or not an operation for calling the travel history has been performed on the display & operation panel 20, and if it is determined in step 114 that the operation for calling the travel history has not been performed, the process proceeds to step 118. . If it is determined in step 114 that the operation of calling the travel history has been performed, the process proceeds to step 116, and the travel history corresponding to the ID is displayed on the display of the display & operation panel 20 in step 116, and the process proceeds to step 118. And migrate.

In step 118, it is determined whether or not an operation for deleting the traveling history has been performed on the display & operation panel 20. If the operation of deleting the traveling history is not performed in step 118, step 120 is skipped and the process proceeds to step 128.

On the other hand, if the navigation computer 22 determines in step 110 that there is no matching ID, the process proceeds to step 122. At step 122, the flag is set to 1 and the routine proceeds to step 124. In step 124, it is determined whether or not an operation of calling the travel history on the display & operation panel 20 has been performed.
If it is determined in step 124 that the operation for calling the travel history has not been performed, the process proceeds to step 128. If it is determined in step 124 that the operation for calling the travel history has been performed, the process proceeds to step 126. . At step 126, the display of the display & operation panel 20 indicates that there is no traveling history matching the ID, and a voice guide is given.

If it is determined in step 112 that the flag is 1, the process proceeds to step 124 described above.

As described above, when the process proceeds from step 118, step 124, and step 126 to step 128, it is determined in step 128 whether the display & operation panel 20 has been operated to turn off the navigation. If it is determined in step 128 that the operation of turning off the navigation has not been performed, the process proceeds to step 112, and steps 112 to 126 after step 112 are repeated. Step 12
If it is determined in step 8 that the operation of turning off the navigation has been performed, a series of processing is terminated.

As described above, the ID read by the ID input means is collated by the navigation computer 22 and the use of the travel history stored in the navigation computer 22 is permitted. Inadvertent erasure of the running history by the driver or the like can be prevented.

Next, the above-mentioned point registration in the present embodiment will be described with reference to the flowcharts of FIGS.

FIG. 4 is a flowchart at the time of point registration. In step 200, it is determined whether or not a point registration operation has been performed. When the operation of the point registration is not performed in step 200, the process returns. When the operation of the point registration is performed, the process proceeds to step 202. In step 202, a registration screen for point registration is displayed on the display of the display & operation panel 20, and the process proceeds to step 204. In step 204, it is determined whether to perform private registration. If private registration is not performed in step 204, the process proceeds to step 206 as a negative determination, where point registration is performed and the process returns. Step 204
When the private registration is performed, the process proceeds to step 208 as an affirmative determination. In step 208, the location is registered, the ID is registered, and the process returns.

Next, the reading of the point registration registered as described above will be described with reference to the flowchart of FIG.

To read the data registered at a point, first, at step 300, it is determined whether or not an operation of reading the data registered at the point has been performed. Step 300
When it is determined that the data registered at the point has been read out, the process proceeds to step 302, where an instruction for inputting an ID is issued, and the ID is input or the ID is not input.
Move to 04. In step 304, step 302
When the ID is input by the user, the navigation computer 22 checks the ID. Step 304
When it is determined that there is no compatible ID or that no ID has been input, the process proceeds to step 306. At step 306, only registration data for which ID registration has not been performed during point registration is displayed on the display of the display & operation panel 20. ,
The process returns and the process from step 300 is repeated.

On the other hand, if the navigation computer 22 determines in step 304 that there is a matching ID, the process proceeds to step 308. In step 308, the registration data of the matching ID and the registration data for which the ID has not been registered are displayed on the display of the display & operation panel 20, and the process is returned to repeat the processing from step 300.

Here, operations relating to registered data that are not displayed on the display of the display & operation panel 20,
For example, data cannot be deleted.

As described above, since the ID is collated by the navigation computer 22, it is possible to protect the privacy of the driver and prevent inadvertent deletion of the location registration data by another driver.

In the above embodiment, the operation of the travel history and the location registration data is restricted. However, the present invention is not limited to this. Privacy protection and restriction of data deletion by other drivers are required. Applicable to some.

Further, in the above embodiment, the ID input is performed by the card key 30, but the present invention is not limited to this. For example, a password may be input, or an ID may be input by fingerprint recognition or voiceprint recognition.

[0045]

As described above, according to the present invention, it is possible to provide a car navigation system having an excellent effect of protecting privacy of a driver and preventing inadvertent data deletion by another driver. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a schematic configuration of a car navigation system according to an embodiment of the present invention.

FIG. 2 is a diagram showing a schematic vehicle mounting position of the car navigation system.

FIG. 3 is a flowchart showing an operation when a travel history of the car navigation system is operated.

FIG. 4 is a flowchart when a point registration of the car navigation system is performed.

FIG. 5 is a flowchart for explaining the reading of point registration data.

[Explanation of symbols]

 Reference Signs List 10 car navigation system 22 navigation computer 28 ID input means 30 card key

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshiyuki Isoya 3-260 Toyota, Oguchi-machi, Niwa-gun, Aichi Prefecture Inside Tokai Rika Electric Works, Ltd. (72) Masato Nishikawa 3-260 Toyota, Oguchi-machi, Niwa-gun, Aichi Prefecture F term (reference) 2F029 AA02 AB07 AB13 AC02 AC13 AC16 AC18 5H180 AA01 BB04 BB13 CC01 CC12 EE18 FF05 FF12 FF13 FF22 FF25 FF27 FF33 5J062 AA01 AA06 BB01 CC07 GG02 HH01 H

Claims (5)

[Claims] 1. A car navigation system for locating a position of a vehicle and providing guidance to a destination by a map and a voice guide displayed on a screen, wherein: ID input means for inputting a driver ID; Storage means for storing a use history of use of the system together with the ID input to the ID input means; and control means for controlling the operation of the car navigation system, wherein the ID input to the ID input means is provided. A car navigation system, wherein if the ID is not an ID stored in the storage means, the control means performs an operation restriction. 2. The car navigation system according to claim 1, wherein the use history stored in the storage unit is a past travel history including map information. 3. The car navigation system according to claim 1, wherein the use history stored in the storage unit is location registration data for registering a location on a map. 4. The operation control according to claim 1, wherein the operation restriction performed by the control unit is display of the use history on a screen and deletion of the use history. Car navigation system. 5. The car navigation system according to claim 1, wherein said ID input means comprises at least electronic key recognition, fingerprint recognition, or voiceprint recognition.