JP2002205604A - On-vehicle electronic equipment and method for preventing theft thereof and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide on-vehicle electronic equipment and a method for preventing theft thereof, in which a security system easy to be operated and high in practicability is built at a low cost for preventing the theft of the on- vehicle electronic equipment. SOLUTION: A connector 24 of a cellular phone 2 of the authorized user of the on-vehicle electronic equipment is connected to a connecter 14 of the on-vehicle electronic equipment 1 to transmit data of a phone number 51, a user's name 52 and E-mail address 53, so that the corresponding three types of user data of telephone number data 41, user's name data 42, and E-mail address data 43 are registered in the on-vehicle electronic equipment 1 at a time of initial setting. When the on-vehicle electronic equipment 1 is turned on, and the connection of the celluar phone 2 and the stop of a vehicle are detected, a controller 11 compares the user data 51-53 received from the celluar phone 2 to the registered user data 41-43. The controller 11 allows activation of the on-vehicle electronic equipment 1, if all of the user data 51-53 coincides with the registered user data 41-43.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle electronic device for preventing the in-vehicle electronic device mounted on a vehicle from being stolen, and a method for preventing theft, and more particularly to a portable terminal such as a portable telephone. It relates to the security system used.

[0002]

2. Description of the Related Art Conventionally, various security technologies have been developed to prevent theft of on-vehicle electronic devices such as navigation devices and AV devices mounted on vehicles and theft of vehicles themselves. As an anti-theft device for in-vehicle electronic devices, for example, when a user is absent in a vehicle, a security lock is provided to prevent unauthorized use or removal of in-vehicle electronic devices, and a unique password is set by a legitimate user. There are devices of the type that release the security lock only when an input is made.

[0003]

However, the conventional anti-theft device having a high function is expensive, and in particular, the theft prevention device which can be used in accordance with the conditions such as the type and size and shape of the interior of the vehicle and the in-vehicle electronic device. Prevention devices are often limited,
There is a problem that security costs increase, for example, when a vehicle or a vehicle-mounted electronic device is replaced, a new anti-theft device needs to be installed.

[0004] Further, in a type of anti-theft device requiring a unique password, the operation is complicated from the user's point of view because the user needs to input the password every time he gets into the vehicle. In particular, when a password input error occurs, it is necessary to repeatedly input the password, which increases the burden on the user in using the anti-theft device.

[0005] The present invention has been proposed to solve the above-mentioned problems of the prior art.
An object of the present invention is to provide an in-vehicle electronic device and a method for preventing theft of the in-vehicle electronic device so that an easy-to-operate and highly practical security system can be constructed at low cost to prevent theft of the in-vehicle electronic device.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, many portable terminals such as portable telephones, which have been rapidly spread in recent years, have external input / output terminals, Output data and input data from external devices.
It focuses on the point that storage is possible. That is,
The present invention utilizes a portable terminal of a legitimate user of a vehicle, stores portable terminal user data stored in the portable terminal in advance in the in-vehicle electronic device, and transmits the data from the same portable terminal. Unless the user data is received, the in-vehicle electronic device cannot be used.

[0007] The definitions of some important terms in the present invention are as follows. "Portable terminal" is PHS
The concept includes various devices having terminal functions that can be generally carried, such as various mobile tools including a mobile type small PC, in addition to various portable telephones including.

[0008] "User data" indicates various data relating to a user who can legitimately use the vehicle and its on-vehicle electronic device, and is stored in a portable terminal used by the user. The concept includes data and user data of the vehicle and various electronic devices mounted on the vehicle. "Activating in-vehicle electronic devices"
Indicates that the on-vehicle electronic device is in a usable state, and specifically means that a transition is made from a security check state to a normal control state with use permission.

According to a first aspect of the present invention, in a vehicle-mounted electronic device mounted on a vehicle, a communication means capable of communicating with a portable terminal, and a portable terminal user registered at least in the designated portable terminal. Storage means for storing a predetermined type of user data including data as user data for specifying a user who can properly use the in-vehicle electronic device; and user data of a type included in the predetermined type by the communication means. Is received, the received user data is compared with the user data stored in the storage unit, and only when the comparison result by the comparison unit satisfies a predetermined condition, Activating means for activating a vehicle-mounted electronic device.

[0010] The invention of claim 7 is obtained by grasping the invention of claim 1 from the viewpoint of a method. In the method of preventing theft of electronic equipment mounted on a vehicle, the invention of claim 1 is provided. And a storage step, a reception step, a comparison step, and an activation step as steps corresponding to the respective functions of the storage means, the communication means, the comparison means, and the activation means.

The invention described in claim 14 is the first and seventh aspects of the invention.
The invention described in the above is grasped from the viewpoint of a recording medium, in a recording medium recording a computer-readable program for realizing the prevention of theft of the in-vehicle electronic device mounted on the vehicle, the program is stored in the computer ,
A storage process, a reception process, a comparison process, and an activation process are performed as processes corresponding to the storage step, the reception step, the comparison step, and the activation step of the invention of claim 7.

According to a second aspect of the present invention, in the vehicle-mounted electronic device according to the first aspect, a connection terminal for connecting the portable terminal is provided, and the communication means is connected via the connection terminal. It is characterized by being configured to communicate with a portable terminal.

According to the first, second, seventh and fourteenth aspects of the present invention, the portable terminal user data is not received from the portable terminal of the legitimate user of the vehicle when the use of the on-vehicle electronic device is started. As long as the in-vehicle electronic device is not activated, that is, the in-vehicle electronic device cannot be used. Therefore, the legitimate user simply takes the usual action of bringing the portable terminal that he is carrying into the vehicle as it is when getting into the vehicle and carrying the portable terminal when leaving the vehicle. In addition, unauthorized use or theft of the in-vehicle electronic device by a third party can be effectively prevented.

Further, when storing a predetermined type of user data, since the data stored in the portable terminal is used as it is without having to newly store the data, the operation required for storing the data is Extremely simple. Further, the comparison between the received data and the data stored in advance and the activation of the in-vehicle electronic device when the comparison result satisfies a predetermined condition slightly changes the control program of the existing in-vehicle electronic device. It is easily feasible. Therefore, compared with the case of using an expensive anti-theft device, a security system that is easy to operate and has high practicality can be constructed at low cost.

The reception of portable terminal user data on the in-vehicle electronic device can be easily realized by a simple operation utilizing existing technology, and the method of communicating portable terminal user data is not limited. Generally, it is desirable to use a connection terminal as in the second aspect of the present invention. In this case, just connect the portable terminal to the connection terminal,
The portable terminal user data from the portable terminal can be automatically received by the in-vehicle electronic device, and this operation is much easier than an operation such as inputting a password.

According to a third aspect of the present invention, in the vehicle-mounted electronic device according to the first or second aspect, at least one of the comparing means and the activating means is operable only when the vehicle is stopped. It is characterized by being set. According to an eighth aspect of the present invention, the invention of the third aspect is grasped from the viewpoint of a method. In the method of preventing the in-vehicle electronic device from being stolen according to the seventh aspect, before the comparing step, The vehicle further includes a stop determination step of determining whether the vehicle is stopped. At least one of the comparison step and the activation step is performed when the vehicle is determined to be stopped by the stop determination step. Only to do.

According to a ninth aspect of the present invention, in the method for preventing the in-vehicle electronic device from being stolen according to the eighth aspect, the stop determination step is performed before the reception step, and before the stop determination step, Further comprising a connection determination step of determining whether a portable terminal is connected to the in-vehicle electronic device, wherein the connection determination step determines that the portable terminal is connected, and the stop determination The receiving step and the comparing step are performed only when it is determined by the step that the vehicle is stopped.

According to the third, eighth, and ninth aspects of the present invention, the use of the on-vehicle electronic device can be started only when the vehicle is stopped. It is possible to reliably prevent a large number of operations such as adjustment and setting of the vehicle from being performed while the vehicle is running, so that the safety of running the vehicle can be improved. In particular, according to the ninth aspect of the invention, unless the portable terminal is connected while the vehicle is stopped,
Do not receive or compare data. Therefore, it is possible to prevent useless operations such as receiving and comparing user data when at least conditions other than user data are not satisfied as conditions for starting use of the in-vehicle electronic device.

According to a fourth aspect of the present invention, in the vehicle-mounted electronic device according to any one of the first to third aspects, the portable terminal is a portable telephone. According to a tenth aspect of the present invention, the invention of the second aspect is grasped from the viewpoint of a method, and in the method of preventing the in-vehicle electronic device from being stolen according to any one of the seventh to ninth aspects, The portable terminal is a portable telephone.

According to the fourth and tenth aspects of the present invention, by using the portable telephone, many of the users of the vehicle can use the portable telephone already in possession as it is to mount the vehicle-mounted electronic device. The device can be prevented from being stolen. In addition, since the portable telephone itself is inexpensive, even if a new portable telephone is purchased, the cost required for the purchase is significantly lower than when a dedicated anti-theft device is purchased.

According to a fifth aspect of the present invention, in the in-vehicle electronic device according to the fourth aspect, the storage means stores, as the portable terminal user data, a telephone number of the portable telephone, a user name, and a user name. , One or more types of data selected from a plurality of types including the following e-mail addresses. Claim 1
According to a first aspect of the present invention, the invention of the fifth aspect is grasped from the viewpoint of the method. In the method of preventing the in-vehicle electronic device from being stolen according to the tenth aspect, the storing step includes the step of storing the invention of the fifth aspect. It is characterized by storing portable terminal user data similar to the means.

According to the fifth and eleventh aspects of the present invention, data capable of easily specifying a legitimate user, such as a telephone number of a portable telephone, a user's name, a user's e-mail address, and the like are stored. Then, by comparing the stored user data with the user data received from the portable telephone, the validity of the user can be easily determined.

According to a sixth aspect of the present invention, in the on-vehicle electronic device according to any one of the first to fifth aspects, the storage means stores the predetermined type of user data as user data.
In addition to the portable terminal user data, at least one of user data of the vehicle and user data of another electronic device mounted on the vehicle is stored. .

According to a twelfth aspect of the present invention, the invention of the sixth aspect is grasped from the viewpoint of a method, and the theft prevention of the vehicle-mounted electronic device according to any one of the seventh to eleventh aspects is provided. In the method, the storage step is the same as the storage means of claim 6, wherein the user data of the vehicle and the user data of another electronic device mounted on the vehicle are provided;
Is characterized in that at least one of the user data is stored.

According to the sixth and twelfth aspects of the present invention, user data of a plurality of types of products used by a legitimate user is stored, and the stored user data and the user data received from the portable telephone are stored. Is compared with the case where user data of a single type of product is used, the reliability of the determination of the validity of the user can be improved.

According to a thirteenth aspect of the present invention, in the method for preventing the in-vehicle electronic device from being stolen according to any one of the seventh to twelfth aspects, in the storing step, the predetermined type of user data is A plurality of predetermined types of user data are stored, at the receiving step, at least two or more types of user data included in the predetermined type are received, and at the comparing step, the two data received at the receiving step are received. The method is characterized in that the user data of more than one kind is compared with the corresponding kind of user data stored in the storing step.

According to the present invention, one type of user data is used by comparing two or more types of user data received from a portable telephone with corresponding types of pre-stored user data. , The reliability of the determination of the validity of the user can be improved.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of a security system to which a vehicle-mounted electronic device and a method for preventing theft thereof according to the present invention will be described in detail with reference to the drawings.

[1. First Embodiment] [1-1. System Configuration] FIG. 1 is a functional block diagram showing a configuration of a security system according to a first embodiment of the present invention. This system includes an in-vehicle electronic device 1 having a navigation function and a monitor function for a rear view CCD camera, and a mobile phone (portable telephone) 2 used by a legitimate user thereof.

Here, the on-vehicle electronic device 1 includes a control device (microcomputer) 11, a non-volatile memory (storage means) 12,
An interface 13 for an external device, a connector 14 for connecting a mobile phone connected thereto, an interface 15 for navigation, and the like are provided. The mobile phone 2 includes a control device (microcomputer) 21, a nonvolatile memory 22, an external device, and the like. Interface 23 and connector 2 connected to it
4, etc.

A power switch (SW) is provided in the navigation interface 15 of the vehicle-mounted electronic device 1.
30 is connected, and a plurality of navigation sensors such as a speed sensor 31, a brake sensor 32, a gear position sensor 33, and the like are connected. It should be noted that the in-vehicle electronic device 1 and the mobile phone 2 actually include a monitor,
Input / output units such as speakers and keyboards, wireless communication units, etc.
Although it has a number of components, they are not directly related to the present invention, and a description thereof will be omitted.

The on-vehicle electronic device 1 will be described in more detail. As shown in FIG. 1, at the time of initial setting, the control device 11 stores "telephone data" as user data of the mobile phone 2 used by a valid user. No., "(user's) name", and "(user's) e-mail address" are stored in the non-volatile memory 12 and are used as in-vehicle data as user data for identifying a valid user. A setting program for registering in the electronic device 1 is stored. Note that, in the figure, from the viewpoint of distinguishing between the user data registered in the in-vehicle electronic device 1 and the user data stored in the mobile phone 2, “41” is assigned to each data.
-43 "and" 51-53 ".

The control device 11 also stores a security check program for performing a security check in a power-on state. The security check program includes a connection detection program for detecting that the mobile phone 2 is connected to the interface 13, a stop detection program for detecting that the vehicle is stopped, Receiving user data from the phone, comparing with the registered user data,
A reception / comparison determination program for determining whether or not to activate the in-vehicle electronic device 1 according to the comparison result is included.

[1-2. Operation Procedure] In order to perform a security check using the security system described above, first, an initial setting is performed. In this initial setting, the connector 24 of the mobile phone 2 of the legitimate user is connected to the connector 14 of the in-vehicle electronic device 1 and the “telephone number”
The three types of data 51, “name” 52, and “e-mail address” 53 are received and stored in the nonvolatile memory 12. Thereby, the "telephone number" 41, the "name" 42, the "e-mail address" 43,
Are registered.

The security check by the in-vehicle electronic device 1 that has been initialized as described above is performed according to the procedure shown in FIG. Here, FIG. 2 is a flowchart illustrating an outline of an operation procedure when a security check is performed by the control device 11 of the vehicle-mounted electronic device 1.

As shown in FIG. 2, when the user gets into the vehicle and powers on the on-vehicle electronic device 1, the control device 11 first uses the connection detection program based on a signal from the interface 13, It is determined whether the mobile phone 2 is connected (S201). Mobile phone 2
Is connected (YES in S201), the stop detection program determines whether or not the vehicle is stopped based on a signal from the speed sensor 31 or the brake sensor 32 (S202). .

When the vehicle is stopped (YE in S202)
In S), the received / comparison determination program uses the connected mobile phone 2 as its mobile phone user data,
The three types of data of "telephone number" 51, "name" 52, and "e-mail address" 53 are received (S20).
3). When the vehicle is not stopped, that is, when the vehicle is running (NO in S202), a warning display of "Please operate while the vehicle is stopped" is displayed by image or sound (S2).
04) After that, the vehicle-mounted electronic device 1 is automatically powered off.

After the mobile phone user data is received from the mobile phone 2 (S203), the received mobile phone user data 51 is received by the reception / comparison determination program.
To 53 and the registered mobile phone user data 41 to 43 are compared. That is, three types of mobile phone user data of “telephone numbers” 41, 51, “names” 42, 52, and “e-mail addresses” 43, 53 are compared (S205). Only when all of the three types of mobile phone user data match as a result of the comparison (YES in S206), use permission is issued and the in-vehicle electronic device 1 is activated, that is, made operable (S207). On the contrary,
If the data do not match (NO in S206), a warning display of "does not match the registered data" is displayed by image or sound (S208), and then the power supply of the in-vehicle electronic device 1 is automatically turned off.

[1-3. Effects] As described above, according to the present embodiment, unless the mobile phone user data from the mobile phone 2 of the legitimate user of the vehicle is received at the start of use of the on-vehicle electronic device 1, the on-vehicle electronic device 1 is not activated, that is, the in-vehicle electronic device cannot be used. Therefore, the legitimate user can carry the mobile phone 2 as it is when entering the vehicle without having to perform a special operation for security check, and remove the mobile phone 2 when leaving the vehicle. Just taking the usual action of carrying away from the vehicle can effectively prevent unauthorized use or theft of the in-vehicle electronic device 1 by a third party.

In particular, by using a mobile phone, which has become extremely popular in Japan at present, as a mobile terminal, many users of the vehicle can use the mobile phone 2 already possessed as it is. Theft prevention of the vehicle-mounted electronic device 1 can be realized. Further, since the mobile phone 2 itself is inexpensive, even if a new mobile phone is purchased, the cost required for the purchase is significantly lower than when a dedicated anti-theft device is purchased.

When user data for security is stored at the time of initial setting, the user data stored in the mobile phone 2 is used as it is without the need to newly store data. The required operation is very simple. In this case, as the components such as the control device 11, the non-volatile memory 12, and the interface 13, existing components provided in advance in the vehicle-mounted electronic device 1 can be used as they are. The comparison between the received data and the data stored in advance and the activation of the on-vehicle electronic device 1 when the comparison result satisfies a predetermined condition include the security described above in the existing control program. It can be easily realized only by adding a check program.

Further, the reception of the mobile phone user data on the side of the on-vehicle electronic device 1 is performed by the connector 1 of the on-vehicle electronic device 1.
4 to connect the mobile phone user data from the mobile phone 2 to the vehicle-mounted electronic device 1
This operation can be automatically performed by the user, and this operation is extremely easy as compared with operations such as inputting a password in a conventional anti-theft device.

Therefore, the security system according to the present embodiment uses the existing configuration of the vehicle-mounted electronic device 1 and the existing user data stored in the mobile phone 2 to slightly change a part of the control program. Just by doing, it can be constructed, easy to operate, and highly practical. Such a security system can be constructed at extremely low cost as compared with the case where an expensive anti-theft device using a password or the like is used.

Further, in the present embodiment, the mobile phone 2 is used as user data for specifying a valid user.
, "(Phone number)" and "(user's) e-mail address". Since these data are data that can easily specify valid users, the received user data and the registered user data are not included in such data.
By checking whether or not the types of data match, it is possible to easily determine the validity of the user.
In particular, by comparing the three types of data, it is possible to improve the reliability of determining the validity of the user and improve the reliability of the system as compared with a case where only one type of user data is used.

On the other hand, in the present embodiment, use of the on-vehicle electronic device 1 can be started only when the vehicle is stopped, so that use of the on-vehicle electronic device 1 can be started while the vehicle is running. No longer. Therefore, a large number of operations such as various adjustments and settings performed at the start of use of the in-vehicle electronic device 1 can be reliably prevented from being performed during traveling of the vehicle, and the advantage that the safety of traveling of the vehicle can be improved is also provided. is there.

In particular, in the present embodiment, data reception and comparison are not performed unless the mobile phone 2 is connected to the vehicle-mounted electronic device 1 while the vehicle is stopped. For this reason, it is possible to prevent useless operations such as receiving and comparing user data when at least conditions other than user data are not satisfied as conditions for starting use of the in-vehicle electronic device 1. Therefore, a security check can be performed efficiently and power consumption can be saved.

[2. Second Embodiment] [2-1. System Configuration] FIG. 3 is a functional block diagram showing a configuration of a security system according to a second embodiment of the present invention. This system is based on the first
In this embodiment, the types of data to be compared are increased.

As shown in FIG. 3, the in-vehicle electronic device 1
Further, a mirror angle sensor 34 and a seat position sensor 35 are connected to the navigation interface. Then, the setting program of the control device 11 is
In addition to the above-mentioned three types of mobile phone user data, two types of vehicle user data of "mirror angle" and "seat position" from the sensors 34 and 35 are also stored in the non-volatile memory 12, and the user data And so on. Further, "(preset) frequency data of a radio" mounted on the vehicle is also stored in the nonvolatile memory 12 as user data of another electronic device to be used as user data.

The setting program of the control device 11 also includes
At the time of initial setting, three types of mobile phone user data of “telephone number”, “(user's) name”, and “(user's) e-mail address” are received from the mobile phone 2, and the mobile phone 2 is connected to the mobile phone 2. Two types of vehicle user data of “mirror angle” and “seat position” and “radio frequency data” are transmitted to the nonvolatile memory 22.
Is to be stored. Hereinafter, these three types of data of “mirror angle”, “seat position”, and “radio frequency data” are collectively referred to as “vehicle / electronic device user data”.

In the figure, from the viewpoint of distinguishing between the vehicle / electronic device user data registered in the on-vehicle electronic device 1 and the vehicle / electronic device user data stored in the mobile phone 2, the respective data are: "44-46" and "54"
~ 56 ". Further, the other configuration is completely the same as that of the above-described first embodiment, and the description is omitted here.

[2-2. Operation Procedure] In order to perform a security check using the security system described above, first, an initial setting is performed. In this initial setting, the connector 14 of the mobile phone 2 of the legitimate user is connected to the connector 14 of the on-vehicle electronic device 1, and the “telephone number”, “name” , And "E-mail address" are received and stored in the nonvolatile memory 12. Thereby, the on-vehicle electronic device 1
, Three types of mobile phone user data, “phone number” 41, “name” 42, and “e-mail address” 43, are registered.

At the same time, according to the setting program of the control device 11, two kinds of vehicle user data of "mirror angle" and "seat position" from the mirror angle sensor 34 and the seat position sensor 35, and " The radio frequency data ”is also stored in the nonvolatile memory 12. As a result, three types of vehicle / electronic device user data of “mirror angle” 44, “seat position” 45, and “radio frequency data” 46 are registered in the in-vehicle electronic device 1.

Then, for the mobile phone 2 being connected, the three types of vehicle / electronic device user data 44 to 46, that is, “mirror angle” 44, “seat position” 45,
The “radio frequency data” 46 is transmitted and stored in the nonvolatile memory 22. Thereby, the mobile phone 2
On the side, "mirror angle" 54, "seat position" 55,
"Radio frequency data" 56, three types of vehicles /
Electronic device user data is stored. As a result, the same user data is shared between the vehicle-mounted electronic device 1 and the authorized user's mobile phone 2 including the mobile phone user data described above.

The security check by the in-vehicle electronic device 1 that has been initialized as described above is performed according to the procedure shown in FIG. Here, FIG. 4 is a flowchart showing an outline of an operation procedure when a security check is performed by the control device 11 of the vehicle-mounted electronic device 1.

As shown in FIG. 4, after the on-vehicle electronic device 1 is turned on, the connection of the mobile phone 2 is detected (S
401), stop of the vehicle is detected (S402), and if the vehicle is stopped, user data is received from the mobile phone 2 (S40).
3) If the vehicle is not stopped, a warning message "Please operate while the vehicle is stopped" is displayed by image or sound (S
404) Thereafter, a series of operations until the power of the in-vehicle electronic device 1 is turned off is the same as S201 to S204 shown in FIG.

In this embodiment, three types of mobile phone user data 51, “telephone number” 51, “name” 52, and “e-mail address” 53, are provided from mobile phone 2.
"Mirror angle" 54, "seat position" 55, "(preset) frequency data of radio" 5
6, three types of vehicle / electronic device user data 54-
56 are also received (S405). Then, the six types of user data 51 to 56 received from those mobile phones 2
Are compared with the corresponding six types of user data 41 to 46 registered in the in-vehicle electronic device 1 (S40).
6).

It should be noted that as a result of the comparison, only when all the data match (YES in S406), the use permission is issued,
When the in-vehicle electronic device 1 is activated (S407), and the data does not match (NO in S406), a warning display of "does not match the registered data" is given by image or voice (S408), and then the in-vehicle electronic device 1 is mounted. Power off the electronic device 1 for
Are performed in steps S206 to S208 shown in FIG.
Is the same as

[2-3. Effects] According to the present embodiment as described above, the following effects are obtained in addition to the effects obtained in the first embodiment described above. That is, not only user data of a single product such as the mobile phone 2 but also user data of a plurality of types of products including user data of a vehicle and user data of another electronic device such as a radio mounted on the vehicle are registered. By comparing existing user data with received user data, it is possible to improve the reliability of determining the validity of the user and improve the reliability of the system as compared with the case of using user data of a single type of product. .

[3. Other Embodiments] The present invention
The present invention is not limited to the above embodiment, and various other embodiments can be implemented within the scope of the present invention. First,
The specific configuration of the in-vehicle electronic device or mobile phone to which the present invention is applied is not limited at all. For example, in the embodiment described above, the navigation function and the backward confirmation CC
The case where the present invention is applied to an in-vehicle electronic device having a monitor function for a D camera has been described. However, the present invention is similarly applicable to various electronic devices mounted on a vehicle, and similarly excellent effects can be obtained. Things.

The type of data to be used can be freely selected. That is, in each of the above-described embodiments, “telephone number”,
Although three types of data, “name” and “e-mail address”, were used, the mobile phone user data is not limited to this. For example, various types of data stored in the mobile phone, such as a phone book list and an email address list, are used. , And data selected from various types of data including them. In this case, if the user can be identified, 1
Although it is possible to use only types of mobile phone user data, it is generally preferable to use at least two types of data from the viewpoint of reliability.

In the above-described second embodiment, the preset frequency data of the radio is used as the other electronic device mounted on the vehicle. Various types of user data relating to various types of electronic devices mounted on the PC can be similarly used, and the reliability can be similarly improved. In addition to the mirror angle and the seat position, various user data relating to the vehicle such as air conditioner room temperature setting data can be similarly used as the vehicle user data, and the reliability can be similarly improved. It is.

Also, the operation procedure of the security check according to the present invention can be appropriately selected. For example,
In the above-described second embodiment, after all necessary data is received from the mobile phone, the individual data is compared with the data on the vehicle-mounted electronic device. However, the comparison is performed while receiving the individual data sequentially. Is also possible. It is also possible to omit comparison of the remaining data when some data are compared and they do not match.

The portable terminal to which the present invention is applied is not limited to a portable telephone or a PHS, but is generally a portable terminal such as various mobile tools including a small mobile PC. The present invention is widely applicable to various types of devices having functions. In a portable terminal, a storage unit for storing user data such as a telephone number is usually a non-volatile memory, but the present invention is applicable even when user data is stored in a volatile memory. It is. On the other hand, as for the storage means on the in-vehicle electronic device side, it is meaningless that data is lost when the power is turned off, and therefore, a nonvolatile memory must be used.

Further, various recording media recording a program for executing a security check according to the present invention are included in the scope of the present invention as one embodiment of the present invention.

[0065]

As described above, according to the present invention,
The portable terminal user data stored in the portable terminal of the legitimate user of the vehicle is stored as user data in the in-vehicle electronic device and compared with the portable terminal user data received during the security check. Accordingly, a security system that is easy to operate and has high practicality can be constructed at low cost in order to prevent the in-vehicle electronic device from being stolen.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of a security system according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing an outline of an operation procedure when a security check is performed by the control device of the vehicle-mounted electronic device of FIG. 1;

FIG. 3 is a functional block diagram showing a configuration of a security system according to a second embodiment of the present invention.

4 is a flowchart schematically showing an operation procedure when a security check is performed by the control device of the vehicle-mounted electronic device of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... In-vehicle electronic device 2 ... Cellular phone 11, 21 ... Control device 12, 22 ... Non-volatile memory 13, 15, 23 ... Interface 14, 24 ... Connector 30 ... Power switch 31 ... Speed sensor 32 ... Brake sensor 33 ... Gear Position sensor 34 ... Mirror angle sensor 35 ... Seat position sensor 41,51 ... Phone number 42,52 ... Name 43,53 ... E-mail address 44,54 ... Mirror angle 45,55 ... Sheet position 46,56 ... Radio frequency data

Claims (14)

[Claims] 1. An on-vehicle electronic device mounted on a vehicle, comprising: a communication unit capable of communicating with a portable terminal; and a predetermined type of portable device including at least a portable terminal user data registered in the designated portable terminal. Storage means for storing user data as user data for specifying a user who can legitimately use the in-vehicle electronic device; and when the user data of the type included in the predetermined type is received by the communication means, Comparing means for comparing the received user data with the user data stored in the storage means; and activating the on-vehicle electronic device only when a comparison result by the comparing means satisfies a predetermined condition. And an activating means for performing the operation. 2. The communication device according to claim 1, further comprising a connection terminal for connecting the portable terminal, wherein the communication unit is configured to communicate with the portable terminal via the connection terminal. 4. The electronic device for a vehicle according to 1. 3. The in-vehicle electronic device according to claim 1, wherein at least one of the comparing unit and the activating unit is set to be operable only when the vehicle is stopped. 4. The in-vehicle electronic device according to claim 1, wherein the portable terminal is a portable telephone. 5. The storage means, as the portable terminal user data, at least one kind selected from a plurality of kinds including a telephone number of the portable telephone, a name of the user, and an e-mail address of the user. The in-vehicle electronic device according to claim 4, wherein the electronic device is configured to store data. 6. The storage means, as the predetermined type of user data, in addition to the portable terminal user data, user data of the vehicle, and user data of another electronic device mounted on the vehicle. The in-vehicle electronic device according to any one of claims 1 to 5, wherein the at least one user data is stored. 7. A method for preventing theft of an in-vehicle electronic device mounted on a vehicle, wherein a predetermined type of user data including at least a portable terminal user data registered in a designated portable terminal is transmitted to the in-vehicle electronic device. A storage step of storing user data that specifies a user who can legitimately use the electronic device; a receiving step of receiving user data of a type included in the predetermined type from a portable terminal; A step of comparing the received user data with the user data stored in the storage step when user data of the type included in the type is received; An activation step of activating the on-vehicle electronic device only when the condition is satisfied. Theft prevention method of a vehicle-mounted electronic equipment to be. 8. A stop determination step for determining whether or not the vehicle is stopped before the comparison step, wherein at least one of the comparison step and the activation step is performed by the stop determination step. The method according to claim 7, wherein the method is performed only when it is determined that the vehicle is stopped. 9. The stop determination step is performed before the reception step, and before the stop determination step, a connection determination step of determining whether a portable terminal is connected to the in-vehicle electronic device is performed. Furthermore, only when the portable terminal is determined to be connected by the connection determination step, and only when the vehicle is determined to be stopped by the stop determination step,
9. The method according to claim 8, wherein the receiving step and the comparing step are performed. 10. The method for preventing in-vehicle electronic equipment from being stolen according to claim 7, wherein the portable terminal is a portable telephone. 11. In the storing step, as the portable terminal user data, at least one kind selected from a plurality of kinds including a telephone number of the portable telephone, a name of the user, and an e-mail address of the user. The anti-theft method for an in-vehicle electronic device according to claim 10, wherein the data is stored. 12. In the storage step, in addition to the portable terminal user data, user data of the vehicle and user data of another electronic device mounted on the vehicle as the predetermined type of user data. The method according to any one of claims 7 to 11, wherein at least one of the user data is stored. 13. In the storing step, predetermined plural types of user data are stored as the predetermined type of user data, and in the receiving step, at least two or more types of user data included in the predetermined type are stored. Receiving the data, in the comparing step, comparing the two or more types of user data received in the receiving step and the corresponding types of user data stored in the storing step, respectively. Claim 7
13. The anti-theft method for an in-vehicle electronic device according to any one of claims 12 to 12. 14. A recording medium on which a computer-readable program for preventing theft of an in-vehicle electronic device mounted on a vehicle is recorded, wherein the program is registered in a computer at least in a designated portable terminal. Storing a predetermined type of user data including the portable terminal user data as user data for specifying a user who can properly use the in-vehicle electronic device; and storing the predetermined type of user data from the portable terminal. A receiving process of receiving the user data of the type included in the predetermined type, when the user data of the type included in the predetermined type is received by the receiving process, the received user data and stored by the storage process A comparison process for comparing the user data with the user data, and a comparison result by the comparison process satisfies a predetermined condition. Only, a recording medium, characterized in that to perform the activation process for activating the vehicle electronics.