JP2003075160A - Car navigation device capable of preventing theft of vehicle, vehicle theft prevention system using the same, and vehicle for theft prevention - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily prevent theft of a vehicle by use of an existing car navigation device without requiring a variety of large-scale theft prevention articles by causing a user to input a user ID indicator such as a password to the car navigation device. SOLUTION: The car navigation device enables the input of a user ID indicator. When the user ID indicator inputted is the normal one, the user is allowed to start the vehicle. When the user ID indicator inputted is not the normal one, the user is not allowed to start the vehicle, thus preventing theft of the vehicle. A vehicle theft prevention system using the car navigation device and the vehicle for theft prevention are also disclosed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car navigation device capable of preventing vehicle theft, a vehicle antitheft system using the same, and a vehicle provided with antitheft, and particularly to the present location and destination of the vehicle. In the car navigation device that can guide the vehicle to the destination based on the route information of the vehicle and the current location information of the vehicle by the position detection means, enter the password for starting the engine of the vehicle and for preventing the vehicle from being stolen. The present invention relates to a technique capable of preventing a vehicle from being stolen by adding a display function so that a vehicle engine can be started only when a password is authorized.

[0002]

2. Description of the Related Art Car navigation systems (car navigation systems) have been widely mounted on vehicles. The car navigation device can guide the vehicle to the destination based on the current location of the vehicle and the route information to the destination and the current location information of the vehicle by the position detecting means. This is very convenient and useful when traveling on an unfamiliar land. On the other hand, theft of cars tends to increase more and more. Devices and tools for preventing theft are also actively offered in the market. Regarding theft of automobiles, it is one way to suspend the theft of a stolen vehicle that has been stolen and is running after theft, but in order to prevent theft of automobiles, it is necessary to prevent theft from happening. Good to prevent. Systems and devices for connecting a wireless telephone or a mobile communication device to cope with theft of a car are also provided in connection with a car navigation system (Japanese Patent Laid-Open Nos. 11-23293 and 2001-99673). However, these are related to the treatment after the theft, and they do not prevent the theft of the car navigation system itself.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a technique capable of solving the drawbacks of the prior art. Other objects and novel features of the present invention will be apparent from the following specification and drawings.

[0004]

SUMMARY OF THE INVENTION The present invention is a car navigation device capable of inputting a user identification mark, and when the input user identification mark is a legitimate one, the vehicle is started, On the other hand, when the input user identification sign is not a proper one, the vehicle is not started,
Therefore, the present invention relates to a car navigation device that can prevent the vehicle from being stolen. Further, the present invention is a vehicle antitheft system, wherein a user identification mark is input to a car navigation device capable of starting the vehicle by inputting the user identification mark, and the input user identification mark is input. Is started, the vehicle is started. On the other hand, when the input user identification mark is not a normal one, the vehicle is not started and an alarm function is performed as necessary. The present invention relates to a vehicle anti-theft system using a car navigation device. Furthermore, the present invention provides a car navigation function that can guide the vehicle to the destination based on the current location of the vehicle and the route information to the destination and the current location information of the vehicle by the position detecting means. A function for inputting a user identification mark relating to the prevention of start-up theft is provided, and when the inputted user identification mark is a proper one, a signal for starting the engine of the vehicle is sent to the control unit described below. A car navigation device which issues an alarm when the entered user identification mark is not a legitimate one or notifies the preset contact information via communication means to that effect, and the car navigation device. And a signal line connected to the vehicle navigation device to receive the vehicle engine start signal sent from the car navigation device and start the vehicle engine. Anti-theft, characterized by comprising and a control unit which can those related to vehicle achieved.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The drawings show an embodiment of the present invention,
1 is a simplified overall configuration diagram of an embodiment of the present invention, FIG.
3 is a block diagram of an embodiment of the present invention, FIG. 3 is a flow chart of processing operations leading to operation start in the present invention, FIG. 4 is an explanatory diagram of an initial password registration screen in the car navigation device of the present invention, and FIG. , An explanatory view of a new password registration screen in the car navigation device of the present invention,
FIG. 6 is an explanatory diagram of a driving password registration screen in the car navigation device of the present invention, and FIG. 7 is an explanatory diagram of a driving password input screen and an alarm contact registration screen for alarm contact registration in the car navigation device of the present invention. , Fig. 8
9 is an explanatory diagram of an alarm contact registration screen in the car navigation device of the present invention, FIG. 9 is an explanatory diagram of a password change screen in the car navigation device of the present invention, FIG.
[Fig. 4] is a flow chart of a processing operation at the end of operation in the present invention.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a car navigation device (car navigation) 1 is provided with a password input function.
When the password is correct, the driving command signal from the car navigation system is sent to the control unit (main computer) installed in the car
2, the car engine 3 is started via the main computer 2, and when the password is incorrect, the car engine is not started, thereby preventing the car from being stolen. There is. If the password is incorrect (abnormal), contact information 4 previously set by the communication means attached to the car navigation 1
A message to that effect is made available. Also by the notification, the antitheft measures of the automobile can be taken.

As shown in FIG. 2, the main body 100 of the car navigation system 1 includes an operation input section 101 and a display section 102.
Central control unit 103, position detection unit 104, ROM (Re
adOnly Memory 105 and RAM (Ra)
nodm Access Memory unit 106, map recording medium 107, and communication interface unit (communication I / F)
Part) 108. The operation input unit 101 inputs data to the main body. Also, various operations are selected.
It can be mounted on the main body or operated by an external input device and operated by a remote control. The operation input may be performed by an input device such as a ten-key pad or a remote controller, or by operating the display screen with a finger. The password is input from the operation input unit. The display unit 102 is, for example, a CRT or a liquid crystal display (L
ED) screen. Various screens such as a password display are displayed on the display unit 102. In the case where a password input screen, such as a numerical value input screen, is displayed on the display, select the numerical value by pressing the numerical value with your finger,
It is also possible to enable the above operation input. In that case, the display unit 102 also serves as the operation input unit 101. The operation input unit 101 and the display unit 102 can be integrated. In a car navigation system, a character such as an alphanumeric character can be input with a so-called cursor key of a wireless remote controller, and for example, a character can be input into a destination mark with the Cassole key. The central control unit 103
It consists of a CPU (Central Processing Unit) and controls the operation and information of the car navigation system. The central processing unit 103 is composed of, for example, a control unit, an arithmetic unit, a main storage unit, and the like. A communication modem can be built in, and can function as a communication modem during data communication. Position detector 10
4 detects the current position of the vehicle. The position detection unit may be, for example, a GPS (Global Positioning) device.
System, position information system) receiving unit. The current position of the own vehicle can be known by the radio wave from the GPS satellite being received by the GPS receiving unit via the GPS antenna (not shown). DGPS (Diffe
In addition to the above, the rental DSP) system has a function of receiving error data calculated by radio waves from GPS satellites received by a fixed station. The position detection unit 104 includes various sensors. For example, in the case of the hybrid system, a geomagnetic sensor that detects the traveling direction of the automobile, an angular velocity sensor that detects the traveling speed of the automobile, a traveling distance sensor that counts the traveling distance, and the like. Is equipped with. ROM section 105
Is a recording unit for storing menu screens, body programs, etc. relating to operation commands. The RAM unit 106 stores and records the password input by the user from the operation input unit 101 and the display unit 102. In the car navigation system, the GPS receiving unit of the position detecting unit 104 receives the position information indicating the current position from the antenna, and the position information obtained thereby is collated with the map information of the map recording medium 107 by the central control unit 103,
The current position is displayed on the map screen on the corresponding latitude and longitude. The map recording medium 107 is, for example, a CD-ROM
Is stored in the ROM section 105. The map information is stored in the ROM section 105. The vehicle is guided to the destination based on the current position information of the own vehicle by the position detection unit (position detection means) 104 and the route information to the current position of the own vehicle and the destination. In addition to F,
There is a traffic information receiving unit including an M decoder and an optical beacon display unit.

As will be described in detail later, when the password is entered and displayed through the operation input unit 101 and the display unit 102,
The central control unit 103 collates the password that has already been input and recorded and is stored in the RAM unit 105. When the passwords match (normal), the vehicle engine start signal is sent to the communication interface unit (communication I / F unit) 108. To the control unit (main computer) 2 of the automobile, which is connected to the main body 100 of the car navigation device by the signal line 5 via
Sent. The data may be directly transmitted to the control unit (main computer) 2 via the built-in communication modem of the central control unit 103. At the time of the above collation, if there is an abnormality such as a mismatch of passwords, the communication means 6 attached to the car navigation main body 100 is used to contact the contact 4 such as an external mobile phone.
Notify that. The communication unit 6 is composed of, for example, a wireless communication device, and examples of the wireless communication device include a mobile phone, a PHS (personal handyphone system, a simplified mobile phone), a car phone, a cordless phone, and a teleterminal. , MCA system, ship telephone, etc. It may be a PDA (Personal Digital Assistant) having a built-in mobile phone. The communication means 6 is the car navigation body 1
00 may be built in. As will be described in detail later, it is advisable to enter and register emergency contact information in the car navigation system. The communication means 4 of the contact may be a wireless communication device such as a mobile phone as described above, or a wired fixed phone such as a security company. Telephone-like communication is automatically performed to notify the preset contact point 4. A voice output unit (not shown) may be provided in the car navigation system to issue an alarm by an alarm sound or the like. Further, the warning character may be displayed on the monitor screen of the display unit 102.

As shown in FIG. 2, a car navigation main body 10 is installed in a control unit (main computer) 2 mounted on an automobile.
A receiving unit 201 that can receive an engine start / stop command from 0 and an operating unit 20 that can operate the engine start (including the case of stopping) based on the command.
2 and. A control unit (main computer) 2 mounted on the automobile is connected to the car navigation device 1 by a signal line 5. Bluetooth
Alternatively, wireless communication by h or communication by infrared rays or laser light may be used. The control unit 2 includes a receiving unit 201 that receives an engine start signal of the vehicle sent from the car navigation device 1. The receiving unit 201 is composed of a communication modem or the like. The control unit 2 includes an operation unit 202 that controls and operates. The operation unit 202 is configured in the same manner as the central control unit (CPU) 103 of the car navigation, and the central processing unit configuring the control unit 2 is, for example,
It is composed of a control device, a computing device, a main storage device, and the like. A communication modem may be built in the operation unit 202 side. The control unit 2 can start the engine of the vehicle by electronic control. Electronic starting between the control unit 2 and the engine 3 can be performed using the technique in the case where the engine is electronically started by the remote control method. As shown in an example in FIG. 2, the control unit 2
The operation unit 202 is connected to the adapter 7 having the relays 701 and 702, the adapter 7 is connected to the ignition switch 801 of the engine starter 8, and further connected to the engine 3. When starting the engine 3, it is necessary to know the state of the engine 3. A sensor 9 is connected to the operation unit 202 of the control unit 2 so as to detect the state of the engine 3. The transmission bus 10 connects between the sensor 9 and the operation unit 202 of the control unit. The sensor 9 is configured to detect the rotation speed of the engine 3, and its output is input to the operation unit 202 via the transmission bus 10. As illustrated, the adapter 7 includes two relay circuits 701 and 702 for switching the ignition switch 801 of the engine starter 8.
Is provided. The ignition switch 801 is provided with an “ON” position and a cell (SEL) position, and by switching to the ON position, electric power for ignition is supplied to the engine 3 to turn it on.
The cell mode of the engine starter 8 is activated by passing the position to the SEL position and the engine 3 is started. The operation unit 202 of the control unit 2 operates the relay circuits 701 and 702 to start the engine 3. ,
Moreover, the control is performed. As described above, the relay circuit 70
1, 702 to activate the ignition switch 80
1 is switched to the SEL position by passing the ON position, and the SEL mode of the engine starter 8 is activated to start the engine 3.

To further explain the details of the present invention, as shown in FIG. 3, at the time of driving, the driver releases the door lock of the automobile (S301) and opens the door (S30).
2) Sit in the driver's seat and insert the ignition key into the key (S303). The power of the main computer of the automobile is turned on (S304), the main computer and the car navigation device are connected, and the power of the car navigation device is turned on in conjunction (S305), and the password is entered. When the screen for displaying is displayed (S306), if the password has already been input and the security setting operation is performed, the password required for driving is input (S307), and the input is made on the car navigation device. The password matches the existing password, and it is determined whether or not the password is correct (S308). When the password is correct, the operation OK command is output to the control unit of the vehicle (S309), and the control unit outputs the operation OK command. Upon reception (S310), the engine starter ignition is performed via the adapter as described above. To start the Sshonki (S311), to start the vehicle engine (S312), to be able to start the operation (S313). As shown in FIG. 3, a password is input to the car navigation device (car navigation system), it is determined whether the password is correct, and if not, an alarm is issued (S31).
4) The communication means attached to the car navigation system informs the contact information that has been set beforehand.

Next, the operation from inputting the password (including registration) to operation will be described with reference to FIGS. 4 to 6. (1) Initial password registration method (a) As described above, when the ignition key (engine key) is inserted and the power is turned on, the display screen of the display unit of the car navigation device lights up together, and FIG. The initial password registration screen as shown in is displayed. (B) Enter the initial password 0000 as shown in FIG. 4 (B). (C) As shown in FIG. 4C, if the initial password is good, the confirm key is pressed to confirm the initial password. (2) New password registration method (d) Next, as shown in FIG. 5 (A), a new password input screen is displayed. (E) As shown in FIG. 5 (B), enter the new password. input. (F) As shown in FIG. 5C, if the new password is good, the confirmation key is pressed to confirm the new password. (3) Operation password registration method (g) After confirming the new password, the operation password screen as shown in FIG. 6 (A) is displayed, so the operation password is input. (H) As shown in FIG. 6 (B), if the driving passwords match, the password input is OK and the engine start OK is displayed. Therefore, when driving, press the enter key. You can start the operation by starting the ignition key, starting the car engine. The screen of the car navigation device becomes a normal car navigation screen.

As described above, when the password is incorrect, an alarm is issued (S31).
4) The communication means attached to the car navigation system informs the contact information that has been set in advance that the emergency contact information will be registered with reference to FIGS.
It will be described based on. When registering the emergency contact,
When the operation password input screen as shown in FIG. 7A is output and the operation password is input after the numerical value 1,
As shown in FIG. 7B, the transition to the contact registration acceptance screen is shown, and the contact information (for example, telephone number) is sequentially displayed as shown in FIGS. 7C to 8C. register. A plurality of contacts can be set and prioritized.

The registered password and contact information can be changed. When changing the password, if the operation password input screen as shown in FIG. 9 (A) is output and the operation password is input after the numerical value 0 as shown in FIG. 9 (B), as in the case described above. As shown in FIG. 9 (C), the transition to the password change acceptance screen is shown, so that the illustration is omitted, but the change password may be registered by inputting the change password.

As shown in FIG. 10, (S
1001), the power of the ignition key is turned off (S1002), the engine is stopped (S1003), the ignition key is pulled out (S1004), an end command is output from the control unit (S1005), and the security of the car navigation device is locked. Yes (S100
5) The new password is recorded in the RAM section.
Close the door (S1006) and go outside the car. Since the security is locked (S1005), when driving again, the driving password is input. If the security driving is not required, as shown in FIG. 3 and FIG. 5B, the password can be set not to be input so that the engine start and other driving operations can be performed as usual. Electronic stop between the control unit and the engine can be performed by using the engine starting technique by the remote control method, and when the engine is stopped, the ignition switch is turned off from the ON position.
By switching to the position (not shown), the ignition power to the engine is cut off and the engine can be stopped, and the relay circuit is activated to pass the ignition switch through the ON position and switch to the OFF position to stop the engine. You can

As the user identification mark in the present invention,
In the above embodiment, an example using a password is shown.
It may be D (user identification code) or the like. The present invention is
Applicable to general vehicles other than automobiles. The car navigation device in the present invention also includes a car navigation system that has a car or navigation function by installing map recording software on a terminal such as a personal computer or a PDA (personal digital assistant).
Further, it also includes a display device, and includes a TV (television) capable of inputting and displaying a user identification mark such as a password, various display devices mounted in an automobile, and the like. Examples include electronic displays such as speedometers, tachometers, fuel gauges, oil pressure gauges, warning lights, and battery voltmeters, which are displayed on light-emitting diode (LED), liquid crystal display (LDC), fluorescent display (VFO), etc. It also includes those that allow the user identification mark to be entered.

[0016]

The effects obtained by the typical ones of the inventions disclosed in the present application will be briefly described as follows. That is, according to the present invention, it is possible to prevent the car from being stolen by allowing the car navigation device to input a user identification mark such as a password, and to use the existing car navigation device or display device. You can easily prevent car theft,
It is possible to prevent theft of automobiles without the need for various large-scale antitheft goods.

[Brief description of drawings]

FIG. 1 is a simplified overall configuration diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of an embodiment of the present invention.

FIG. 3 is a flow chart of processing operations leading to operation start in the present invention.

FIG. 4 is an explanatory diagram of an initial password registration screen in the car navigation device of the present invention.

FIG. 5 is an explanatory diagram of a new password registration screen in the car navigation device of the present invention.

FIG. 6 is an explanatory diagram of a driving password registration screen in the car navigation device of the present invention.

FIG. 7 is an explanatory diagram of a driving password input screen and an alarm contact registration screen for registering an alarm contact in the car navigation device of the present invention.

FIG. 8 is an explanatory diagram of an alarm contact registration screen in the car navigation device of the present invention.

FIG. 9 is an explanatory diagram of a password change screen in the car navigation device of the present invention.

FIG. 10 is a flow chart of a processing operation at the end of operation according to the present invention.

[Explanation of symbols]

1 ... Car navigation system (car navigation) 2 ... Control unit mounted on the car (main computer) 3 ... Car engine 4 ... Contact 5 ... Signal line 6 ... Communication means 7 ... Adapter 8 ... Engine starter 9 ... Sensor 10 ... Transmission bus 100 ... Main body of car navigation device 1 101 ... Operation input section 102 ... Display unit 103 ... Central control unit 104 ... Position detection unit 105 ... ROM section 106 ... RAM section 107 ... Map recording medium 108 ... Communication I / F section 201 ... Receiver 202 ... Operating unit 701 ... Relay 702 ... Relay 801 ... Ignition switch

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) G08G 1/00 G08G 1/00 A 1/0969 1/0969 F term (reference) 2F029 AA02 AC02 AC14 5C087 AA09 AA10 AA23 AA25 BB12 BB20 BB74 CC52 DD05 DD14 EE16 FF01 FF04 FF13 FF17 FF20 FF23 GG07 GG10 GG18 GG24 GG51 GG56 GG70 GG83 5H180 AA01 BB04 BB17 DD06 FF11

Claims (4)

[Claims] 1. A car navigation device or a display device (hereinafter, simply referred to as a car navigation device) capable of inputting a user identification mark, and when the input user identification mark is authorized, A car navigation device that starts a vehicle and, on the other hand, does not start the vehicle when the input user identification mark is not a proper one, thereby preventing the vehicle from being stolen. 2. The vehicle engine is not started when the input user identification mark is not a legitimate one, and
The car navigation device according to claim 1, wherein the car navigation device is equipped with an alarm function and can prevent the vehicle from being stolen. 3. An antitheft system for a vehicle, wherein a user identification mark is input to a car navigation device capable of starting the vehicle by inputting the user identification mark, and the input user identification mark is When it is a legitimate one, the vehicle is started. On the other hand, when the inputted user identification mark is not a legitimate one, the vehicle is not started,
Further, a vehicle antitheft system using a car navigation device, characterized in that it has an alarm function as needed. 4. A car navigation function capable of guiding the own vehicle to the destination based on the current position of the own vehicle and the route information to the destination and the current position information of the own vehicle by the position detection means, in addition to starting the vehicle. A function for inputting a user identification mark relating to theft prevention is added, and when the input user identification mark is a proper one, a signal for starting the vehicle engine is sent to the control unit described below. A car navigation device that issues an alarm when the entered user identification mark is not a legitimate one or notifies the preset contact information via communication means to that effect, and the car navigation device. It is possible to start the engine of the vehicle by receiving a vehicle engine start signal sent from the car navigation device, which is connected by a signal line. A vehicle for which theft prevention is achieved, which is provided with a control unit that can be activated.