JP2809699B2 - In-vehicle information service device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention] (Industrial application field) The present invention is to receive various information services inside a vehicle by using, for example, a so-called IC card having a built-in integrated circuit. The present invention relates to an in-vehicle information service device capable of performing the following.

(Prior Art) Recently, the use of vehicles such as automobiles has dramatically increased, and the time spent inside the vehicles has increased. For this reason, there is an increasing need to perform various tasks inside the vehicle and to collect information, and as a means of collecting this information, the use of automobile telephones is spreading.

However, in the case of a normal car phone, there is a limit to the information that can be transmitted and received. It was difficult.

(Problem to be Solved by the Invention) The present invention solves the problem that it is difficult to request specific information from the inside of a vehicle to a center, and to provide only information to the requester from the center. It is an object of the present invention to provide an in-vehicle information service device in which only a requester can obtain information requested from a center from inside a vehicle.

[Configuration of the Invention] (Means for Solving the Problems) The present invention relates to a vehicle-mounted information service apparatus for receiving an information service from a center via a wireless data line, a memory for storing payment information, and a memory for storing payment information. An IC card having a control unit for encrypting the payment information and decrypting service information from the center, a reader / writer to which the IC card is attached, and a required service required by a user among various services. An operation unit for designating a service, and information of a service requested by a user specified by the operation unit and payment information encrypted inside the IC card and supplied through the reader / writer are transmitted via a wireless data line. Transmitting means for transmitting to the center; and receiving means for receiving the encrypted service information output from the center via the wireless data line. And means decrypts has a configuration to be displayed on the display unit the service information received by the control unit in the IC card by the receiving means.

(Operation) That is, according to the present invention, the settlement information encrypted inside the IC card is transmitted to the center by the transmission means together with the information of the required service requested by the user, and the encrypted service information output from the center is transmitted. Is received by the receiving means and decrypted inside the IC card. For this reason, the confidentiality of the settlement information can be maintained, and the service information from the center can be reliably provided only to the requesting service.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

The in-vehicle information service device 10 shown in FIG. 1 is provided inside a vehicle such as an automobile.

In the in-vehicle information service device 10, the control unit 11 is configured by, for example, a microcomputer. The control unit 11 includes a display unit 12, a keyboard 13, an IC card reader / writer 14, and a CD-
A ROM 15, a transceiver 16, and a memory 17 including a RAM are connected.

The keyboard 13 is for inputting various types of information, and the display unit 12 includes information input from the keyboard 13,
It displays operation guide information output from the control unit 11, service information output from a center described later, and the like.

The transceiver 16 transmits and receives information between the vehicle-mounted information service device 10 and the center, and includes a well-known modulator and demodulator.

The CD-ROM 15 stores, for example, various service information provided free of charge.
A program necessary for the operation described above, information transmitted from the transceiver 16, information received by the transceiver 16, and the like are stored.

An IC card 20 is connected to the reader / writer 14,
Through this reader / writer 14, the control unit 11 and the IC card 20
The exchange of information is performed between and. This reader / writer 14
A loading / unloading device for loading the IC card 20 inserted into the insertion slot (not shown) into the reader / writer 14 or discharging the IC card 20 from the inside of the reader / writer 14 to the outside of the insertion slot is provided. ing.

The IC card 20 is provided with an interface 21 connected to the reader / writer 14 via a connector (not shown), and a control unit 22 is connected to the interface 21. A memory 23 is connected to the control unit 22. The memory 23 has programs and ICs necessary for the operation of the control unit 22.
The personal identification code corresponding to the owner of the card 20, the account numbers of banks and credit companies, the transaction amount with these, the transaction balance, and the like are stored.

The in-vehicle information service device 10 having the above configuration is provided inside a vehicle 30, as shown in FIG. In particular, display unit 1
2. The keyboard 13, the reader / writer 14, and the CD-ROM 15 are provided in a place where the front seat or the rear seat can be easily operated.

A repeater 31 is installed near the road, and the information service device 10 and the center 32 can transmit and receive information via the repeater 31.

The operation of the above configuration will be described with reference to FIG.

First, when the IC card 20 is inserted into an insertion slot (not shown) of the reader / writer 14, the loading / unloading device attaches the IC card 20 to the reader / writer 14 (ST1). In this state, when a password is input from the keyboard 13 (ST2), the password is supplied to the IC card 20 via the reader / writer 14.

In the IC card 20, a password is supplied to the control unit 22 via the interface 21. In the control unit 22, the input personal identification code is collated with the personal identification code stored in the memory 23 in advance (ST3). As a result, if they match, a match signal is output, and if they do not match, a mismatch signal is output. This match signal or mismatch signal is supplied to the control unit 11 via the interface 21 and the reader / writer 14.

The control unit 11 determines the collation result (ST4), and when they do not match, the loading / unloading device
The IC card 20 is ejected from the reader / writer 14, and the process ends (ST15).

If the passwords match, the user is prompted to specify a service, and when a required service is specified from the keyboard 13 (ST5), it is determined whether the specified service is paid or free (ST6). As a result, if the specified service is free, the specified information is read from the CD-ROM 15 and displayed on the display unit 12 (ST7).

On the other hand, if the specified service is charged,
The service information specified by is sent (ST
8). The transmitted service information is sent to the center 32 via the repeater 31.

Thereafter, a request to output the payment information of the fee is supplied to the IC card 20 (ST9).
, The settlement information is transmitted from the transceiver 16 to the center 32 (ST10). As the payment information of the fee, for example, a bank account number stored in advance in the memory 23 is encrypted according to a predetermined rule.

When the settlement information is received at the center 32, the center 32
From 32, the information corresponding to the designated service is encrypted and output according to a predetermined rule (key). This output information is transmitted to the transceiver 16 via the repeater 31, and received by the transceiver 16 (ST11).

This received information is sent to the IC via the reader / writer 14.
It is supplied to the card 20. In the IC card 20, the information input according to a predetermined rule is decoded (ST12), and the decoded information is displayed on the display unit 12 via the interface 21 and the reader / writer 14 (ST13). .

When the information is encrypted in the center 32, for example, the account number included in the payment information is encrypted, and when the IC card 20 is decrypted, the account number is decrypted using the account number as a key. Of the received information can be decrypted.

In the state where the required information is displayed on the display unit 12 as described above, if information for requesting another service is input from the keyboard 13 (ST14), the step ST14 is executed.
The same operation is repeated from step 5.

Further, in the step ST14, when the end is designated, by the loading / unloading device,
The IC card 20 is ejected from the reader / writer 14, and the process ends (ST15).

According to the above-described embodiment, when the required payment service is specified from the inside of the vehicle and the fee settlement information is transmitted to the center 32, the specified service information is transmitted from the center 32. Therefore, required information can be obtained inside the vehicle.

In addition, the payment information is encrypted, and the service information sent from the center 32 is encrypted and decrypted inside the IC card 20. Therefore, the confidentiality of the payment information can be maintained, and the designated service information can be provided only to the person who has requested the service information.

The present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the spirit of the present invention.

[Effects of the Invention] As described above, according to the present invention, the payment information encrypted inside the IC card is transmitted to the center by the transmission means together with the information of the required service requested by the user,
Since the encrypted service information output from the center is received by the receiving means and decrypted inside the IC card, the confidentiality of the settlement information can be kept, and the service information from the center can be stored only for the service requester. Can be provided reliably.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram showing a relationship between an in-vehicle information service device and a center, and FIG. 3 is a diagram for explaining the operation of FIG. is there. 10… In-vehicle information service device, 11,22 …… Control unit, 12
Display unit, 13 Keyboard, 14 Reader / writer, 16 Transceiver, 17, 23 Memory, 20 IC card, 30 Vehicle, 32 Center.

Continuation of the front page (58) Fields investigated (Int.Cl. ⁶ , DB name) H04L 9/00-9/38 H04K 1/00-3/00 G09C 1/00-5/00 H04B 7/26 H04Q 7 / 00-7/38 G06F 15/00-15/82

Claims (1)

(57) [Claims] 1. A vehicle-mounted information service apparatus for receiving an information service from a center via a wireless data line, comprising: a memory for storing payment information; an encryption of the payment information stored in the memory; and a service from the center. An IC card having a control unit for decoding information, a reader / writer to which the IC card is attached, an operation unit for designating a required service requested by a user among various services, and a designation by the operation unit Transmitting means for transmitting, via a wireless data line, a service information requested by the user and payment information encrypted inside the IC card and supplied via the reader / writer to a center, Receiving means for receiving the encrypted service information output via the data line, and receiving by the receiving means Vehicle information service device being characterized in that a configuration of displaying by decoding to the display unit the service information by the control unit in the IC card.