KR20050038138A - Method for keeping security in telematics system - Google Patents

Abstract

The present invention relates to a vehicle information terminal, and more particularly, to a method of setting a security level for each function of the vehicle information terminal and setting a password to restrict access. In the present invention, the user may set a security level and a password for each function. If the user selects a function of the vehicle information terminal, it is determined whether the security level of the function is set to access restriction. If the access restriction is not set, the user is allowed to access the function and if it is set to access restriction. Enter a password. If the entered password matches the stored password, access to the function is allowed. It is possible to restrict access to personal information storage space such as phone book. In one embodiment of the present invention, the storage space of the personal information is divided into a private block and a shared block, and the user can specify whether to set the security level only for the private block.

Description

{Method for keeping security in telematics system}

The present invention relates to a vehicle information terminal, and more particularly, to a method of setting a security level for each function of the vehicle information terminal and setting a password to restrict access.

In modern times, the popularity of vehicles is rapidly increasing in conjunction with civilization, and in this respect, vehicles are becoming a necessity of modern man. Therefore, the necessity of a vehicle information terminal capable of solving everything in the vehicle has emerged, and such a vehicle information terminal brought convenience to modern people. The vehicle information terminal, also called a telematics device, is a compound word of telecommunication and information science, and means a combination of a vehicle and a mobile communication. Telematics also provides timely location-based safety services based on mobile communications and Internet technologies, productivity enhancement services through office environments, and other personalized services such as finance, reservations, and product purchases. Say that. Typical services of telematics include navigation, traffic information, emergency rescue and other entertainment-related fields. In addition, the vehicle information terminal also has a function of a mobile phone, it can store personal information such as CDMA, Internet browser, voice memo, address book.

However, in the conventional vehicle information terminal, there is no function to restrict the access of the corresponding function by setting the security level for each function and setting the password, so that the mental and physical damage of the citizen due to information leakage of the vehicle loaded with important information, etc. There was a problem that is further weighted.

An object of the present invention for solving the above problems is to prevent the leakage of personal information as the user sets the security level and password for each function.

In addition, the purpose of providing a security method that can minimize the inconvenience in use while setting the security level by providing a separate block that can set the security level for the personal information such as a phone book.

In order to achieve this object, the present invention allows a user to set a security level and a password for each function. If the user selects a function of the vehicle information terminal, it is determined whether the security level of the function is set to access restriction. If the access restriction is not set, the user is allowed to access the function and if it is set to access restriction. Enter a password. If the entered password matches the stored password, access to the function is allowed. It is possible to restrict access to personal information storage space such as phone book.

The security level setting checks whether a password is set when the user selects the security level function, and if the password is not set in the memory, prompts the user for a password to store the entered password and displays a list of functions that can be set. The operation may be performed by displaying on the screen. In addition, if a password is set, the user is prompted for a password and the list of functions that can be set is displayed when the entered password matches the set password. do. Here, it is possible to receive and store a separate password for each function set as access restriction, and the password is preferably in the form of voice or text. In addition, the security level can be set only for a part of an address book or a voice memo.

The storage space of the personal information is divided into a private block and a shared block, where it is possible to specify whether to set the security level only for the private block. Functions that can set the security level include access to the mobile communication network and access to the wireless Internet.

Hereinafter, described in detail with reference to the accompanying drawings in accordance with a preferred embodiment of the present invention.

1 is an internal configuration diagram of a vehicle information terminal to which the present invention is applied.

The vehicle information terminal of the present invention includes a central processing unit (CPU) 142 for controlling the system as a whole, a memory 136 for storing various kinds of information, a key control unit 139 for controlling various key signals, and a TFT to be described later. The main board 130 includes an LCD control unit 133 for controlling the LCD display.

The memory 136 stores map information required for displaying the vehicle guide on the map. In addition, according to the present invention, when the user sets the security level for each function, the function-specific password is stored. The main board 130 is assigned a unique device number to receive a GPS signal for CDMA unit 148, which is a mobile communication terminal embedded in the vehicle, location guidance of the vehicle, route tracking from the starting point to the destination, or the like. The GPS unit 154 for transmitting the traffic information collected by the GPS signal, the CD deck 157 for reproducing the CD signal, and the gyro 160 are connected through a cable or directly. The CDMA unit 148, the GPS unit 154, and the like receive signals through the antennas 145 and 151.

The advertisement received from the vehicle information center is stored in the memory 136 of the main board 130 through the CDMA unit 148. In addition, a TV module 163 for receiving a TV signal is connected to the main board 130, and the TV module 163 receives a TV signal through the TV antenna 166. The main board 130 is connected to the TFT control unit 103 under the control of the LCD control unit 133 and the front board 106 under the control of the key control unit 139 through the interface board 100. The TFT LCD 103 displays various video signals and text signals. The front board 106 includes buttons for inputting various key signals, and the main board 130 provides a key signal corresponding to a user-selected button. To the side. The front board 106 has a menu key for directly inputting traffic information, and the menu key is configured to be controlled by the key controller 139.

In addition, an audio board for processing various audio signals is connected to the main board 130. The audio board 120 includes a microcomputer 121 for controlling the audio board 120, a tuner 118 for receiving a radio signal, a power 115 for supplying power to the microcomputer, and outputs of various audio signals. It includes a signal processing unit 112 for performing a signal processing for.

The audio board 120 is connected to a radio antenna 124 for receiving a radio signal and a tape deck 127 for reproducing an audio tape, and the audio board 120 is also connected to the interface board 100. Connected. In addition, the audio board 120 is connected to an amplifier 181 for outputting a voice signal signal processed by the audio board 120.

The amplifier 181 is connected to the vehicle interface 169. In addition, the audio board 120 and the main board 130 are connected to the vehicle interface 169. The vehicle interface 169 is connected with a speed sensor 178 for detecting a speed of a vehicle, an airbag 175 for providing safety, a hands-free 172 for inputting a voice signal without using a hand of a vehicle operator, and the like. .

The speed sensor 178 calculates the vehicle speed during driving and is controlled to be supplied to the central processing unit at the time of traffic information input. This is because the traffic information is configured to include detection information of the speed sensor.

2 is a screen showing a process of setting a security level in the vehicle information terminal of the present invention. (a) shows a screen when a password is set in the form of characters. (b) shows a screen in the case of setting a password in the form of voice.

The user first selects a function to set a security level among functions such as CDMA, Internet browser, voice memo, and personal address book, and then presses a preset limit setting button (210, 250). When the user limit setting button is pressed, screens 220 and 260 are provided for selecting whether to set the selected function as a shared block or to set a security level by setting a password. If the user decides to set a password and selects "1. Set password" (220), a screen 230 for selecting whether to set the password in the form of text or in the form of voice is provided. If the user selects " 1. Character type " to set the password in character form, a screen 240 for inputting the password in character form is provided, where the user arbitrarily sets and stores his password. Can be.

If the user selects "2. Voice Type" to input the password in the form of voice (270), a screen 280 is provided for inputting the password in the form of voice, where the user enters the password by voice. You can record and enter.

It is also possible to set a separate password for each function. For example, set a password for voice memo as "1111" and a password for personal address book as "1212" to set a separate password for each function. To give. If the user chooses to set a shared block, the selected function can be used without a password. In other words, even if it is a private block, if the user is set as a shared block, it can be used without a password.

3 is a flowchart illustrating a process from the vehicle information terminal of the present invention to allowing access to functions.

If the user selects a function to be used (step 310), it is determined whether access restriction for the selected function is set (step 320). If the user has previously set an access restriction on the function (YES in step 320), the corresponding password is requested (step 330). If the user enters the password in the form of voice or text, depending on whether the password matches the preset password (step 340), if the set password matches the password entered by the user ("Yes" in step 340), the user Allows access to use the selected function (step 350), and if the set password does not match the password entered by the user (NO in step 340), an error message is displayed (step 360). Informs the user that the password does not match.

4A is a screen example of setting access restrictions for each function. A check box is provided for each function on the screen so that the user can select only the functions for which the access restriction is to be set.

4B is a diagram illustrating a format stored in a memory according to an access restriction setting. Table 410 shows details stored in memory when a password can be set separately for each function. Table 420 shows a configuration example of a memory in a case where a user can set a range of a private block and a shared block with respect to personal information that can be set by dividing into a private block and a shared block. In other words, voice memo ranges 1 to 5 are set as shared blocks, ranges 7 to 10 are set as security blocks, and ranges 1 to 5 can be used by users without a password, and ranges 7 to 10 can be accessed by specifying a password separately. Limit yourself.

In the above description, a case of using a password for user authentication has been described, but a user authentication method using biometric information such as fingerprints, voices, and irises, which are widely used as a means for reinforcing security, is also applicable. For example, instead of registering a password, a user's fingerprint or iris may be registered, and the user's fingerprint or iris may be recognized in order to access a function set to a security level requiring user authentication.

In the detailed description of the present invention, specific embodiments have been described. However, the present invention is not limited to the above embodiments, and various modifications may be made by those skilled in the art within the spirit of the present invention.

As described above, the effect of the present invention is to set the access level by setting the security level for each function and setting the password in the personal blocks such as CDMA, Internet browser, voice memo, etc. in using the vehicle information terminal. This prevents unauthorized access to important personal information or paid features. In addition, since information can be accessed without using a password for public use, it is easy to use.

1 is an internal configuration diagram of a vehicle information terminal.

2 is a screen illustrating a process of setting a security level in a vehicle information terminal. (a) shows a screen when a password is set in the form of characters. (b) shows a screen in the case of setting a password in the form of voice.

3 is a flowchart illustrating a process of allowing access to a function.

4A is a screen example of setting access restrictions for each function.

4B is a diagram illustrating a format stored in a memory according to an access restriction setting.

Claims (11)

A first step of storing a security level as a user sets a security level for each function and registers user authentication information; If the user selects a function of the vehicle information terminal, determining whether the security level of the corresponding function is set as an access restriction; A third step of allowing access to a corresponding function if the access restriction is not set, and receiving user authentication information if the access restriction is set; A fourth step of determining whether the input user authentication information matches the user authentication information stored in the first step and allowing access to a corresponding function only when the input user authentication information matches; Security method of a vehicle information terminal comprising a. The method of claim 1, wherein the first step is When the user selects the security level setting function, steps 1-1 to check whether user authentication information is set; If the user authentication information is not set, the first and second steps of requesting the user to input the user authentication information, storing the input user authentication information and displaying a list of the settable functions; If the user authentication information is set, requesting the user to input the user authentication information and displaying the list of functions that can be set when the user authentication information entered by the user matches the set user authentication information are described in steps 1-3. Steps 1-4 to set and save access restrictions for the function selected by the user from the displayed function list Security method of a vehicle information terminal comprising a. The method of claim 2, wherein steps 1-4 And receiving and storing separate user authentication information for each function set by the user to restrict access. The method of claim 1, A function capable of setting a security level includes a function of accessing personal information. The method of claim 4, wherein The personal information includes an address book, a voice memo, the security method of a vehicle information terminal. The method of claim 5, And a security level can be set only for a part of the address book and voice memo. The method of claim 4, wherein The storage space of the personal information is divided into a personal block and a shared block, and the user can specify whether or not to set the security level for the personal block security method of a vehicle information terminal. The method of claim 1, A security level setting method includes a function of accessing a mobile communication network and a function of accessing a wireless Internet. The method of claim 1, wherein the user authentication information is a password. The method of claim 9, A password is a voice information input method for security of a vehicle information terminal. The method of claim 1, wherein the user authentication information is biometric information.