KR19990086441A - Home Shopping Method Using Credit Card in Satellite Broadcast Receiver - Google Patents

Abstract

The present invention relates to a home shopping method using a credit card that allows a satellite broadcasting receiver to perform home shopping using various credit cards. To this end, the present invention provides a key signal for performing a home shopping of a satellite broadcasting receiver. If is input, displaying a request message for inserting the credit card; Displaying a menu screen for inputting a password for the credit card, and if the password is input, displaying a menu screen for performing the home shopping; If any home shopping item displayed on the menu screen is selected and executed, transmitting information on the credit card and the selected home shopping information to the credit card service provider using the modem; Comparing the transferred credit card information with the balance of the credit card to check whether there is an abnormality, processing home shopping, and releasing the connection of the modem.

Description

Home Shopping Method Using Credit Card in Satellite Broadcast Receiver

The present invention relates to a satellite broadcast receiver, and more particularly, to a home shopping method using a credit card in a satellite broadcast receiver suitable for enabling a home shopping function using various credit cards of a satellite broadcast receiver.

Satellite broadcasting is a broadcasting system that can receive broadcast signals from ground stations (broadcasting earth stations) using broadcast satellites and receive them directly with satellite receiving antennas in each home, and compares the information with existing terrestrial or cable broadcasting systems. It is a broadcasting method in which the selection range is greatly expanded. In the satellite broadcasting system, a digital broadcast signal in the form of a bit stream is received on a packet basis, the broadcast signal of the selected channel is extracted from the broadcast signals received by the transport demultiplexer, and the extracted broadcast signal is converted into MPEG. (Motion Picture Expert Group) method to decode and provide to the display device.

Meanwhile, general satellite broadcasting programs include pay broadcasting programs. If a user views such pay broadcasting programs, subscribers can watch the pay contents of the pay programs by using a smart card and a modem installed in the satellite broadcasting receiver. It will be sent to the management center, and the user will be notified of the charge. In detail, when a user views a pay program using a satellite broadcast receiver while information about each user is registered in a service provider that provides a satellite broadcast program, a smart card in the satellite broadcast receiver may be used. The registered unique number (ID) is transmitted to the service provider side via the modem. In addition, the service provider may classify each user by using a unique number and a user ID of the smart card provided from the satellite broadcasting receiver of each user, and perform the charging process accordingly.

However, such a conventional satellite broadcast receiver does not provide a function of using a general credit card other than the smart card as described above, so that a user may perform home shopping and home banking by using a general credit card in the satellite broadcast receiver. If so, it will be possible to meet the needs of a wider variety of users.

Accordingly, an object of the present invention is to provide a method of using a credit card in a satellite broadcast receiver that enables a user to use various home shopping services using a general credit card in a satellite broadcast receiver. have.

In order to achieve the above object, the present invention provides a method for performing home shopping using a credit card in a satellite broadcasting receiver performing billing processing according to viewing a program, the key signal for performing home shopping of the satellite broadcasting receiver. A first step of checking whether a credit card is inserted into the satellite broadcasting receiver and displaying a request message for inserting the credit card when the credit card is not inserted; A second step of displaying a menu screen for inputting a password for the credit card when the credit card is inserted, and displaying a menu screen for performing the home shopping when the password is input; When any home shopping item displayed on the menu screen is selected and executed, the user accesses the credit card service provider using a modem of the satellite broadcasting receiver, and transmits information about the credit card and the selected home shopping information. A third step of doing; A fourth step of checking whether there is an abnormality by comparing the transferred credit card information with a balance of the credit card; A fifth step of transmitting an error message corresponding to an error when the error occurs and transmitting the home shopping execution result message if an error does not occur; And a sixth step of displaying the transmitted message and releasing the connection of the modem.

1 is a block diagram of a satellite broadcast receiver suitable for applying a home shopping method using a credit card in a satellite broadcast receiver according to an embodiment of the present invention;

2 is a view for explaining a home shopping method using a credit card in a satellite broadcasting receiver according to an embodiment of the present invention;

3 is a flowchart illustrating a process of performing a home shopping method using a credit card in a satellite broadcasting receiver according to an exemplary embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

10 tuner and demodulator 15 transport demultiplexer

20: Micom 25: MPEG decoder

30: audio signal processor 35: video signal processor

40: card reader 45: memory

50: modem 55: OSD unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a satellite broadcast receiver suitable for applying a home shopping method using a credit card in a satellite broadcast receiver according to an exemplary embodiment of the present invention. The tuner and demodulator 10 and the transport demultiplexer are shown in FIG. 15, microcomputer 20, MPEG decoder 25, audio signal processor 30, video signal processor 35, card reader 40, memory 45, modem 50, OSD unit ( 55).

The tuner and demodulator 10 receives a satellite broadcast signal transmitted from a satellite (not shown) and uses a broadcast signal receiver (i.e., a satellite reception antenna) not shown based on a tuning control signal provided from a microcomputer 20 to be described later. The tuned broadcast signal is tuned to restore the tuned broadcast channel signal to a transport stream through a process of converting to an intermediate frequency, demodulation, and error correction. The transport demultiplexer 15 extracts the broadcast signal and the PAT / PMT data for each channel from the signals transmitted from the tuner and the demodulator 10, and from there, the EIT data of the video and audio and the service for each channel. The data is extracted and provided to the microcomputer 20.

In addition, the microcomputer 20 is a microprocessor that controls the overall operation of the satellite broadcasting receiver, not shown. When a user inputs a specific command by operating a key input unit, not shown, a function corresponding to the input key signal is provided. It generates various control signals for performing. The MPEG decoder 25 may vary the compressed and encoded video signal in consideration of spatiotemporal and spatial correlation of a compressed and encoded audio signal and a video signal of a bit stream output from the transport demultiplexer 15, for example, a video signal. A decoding method such as length decoding, inverse DCT, inverse quantization, and motion compensation is used to restore the original signal before encoding.

In addition, the audio signal processor 30 converts the digital audio signal decoded and output from the MPEG decoder 25 into an analog audio signal and outputs the same through a speaker (not shown). The video signal processor 35 also includes an MPEG decoder 25. ) Is converted into an NTSC or PAL analog video signal through a predetermined signal processing process and then displayed on a monitor (not shown).

On the other hand, the card reader 40 stores information on the types of smart cards and general credit cards in a predetermined internal area, and determines the type of the card to be inserted into the satellite broadcasting receiver based on the stored card information, and then the data accordingly. The signal is provided to the microcomputer 20. In addition to the EIT information on the video and video signals of the satellite broadcasting channel, the memory unit 45 stores pre-access numbers for various credit card service providers, and the modem 50 is controlled by the control signal of the microcomputer 20. By dialing, smart card information according to a pay broadcasting program is transmitted to a satellite broadcasting service provider, or information about the use of the credit card according to home shopping is transmitted to a credit card service company.

In addition, the OSD unit 55 configures a control signal and various OSD data provided from the microcomputer 20 into an OSD screen of a predetermined type and provides it to the video signal processing unit 35. Accordingly, the video signal processing unit 35 superimposes and displays the decoded video signal provided from the MPEG decoder 25 and the OSD screen provided from the OSD unit 55.

In the satellite broadcasting receiver configured as described above, a user operates a key input means (not shown) to input a key signal for using home shopping or a menu for performing home shopping using various menu screens provided by the satellite broadcasting receiver. When selecting, the microcomputer 20 checks whether the credit card is inserted into the satellite receiver through the card reader 40, and if the card is not inserted into the satellite broadcasting receiver, the microcomputer 20 ) Displays a prompt message (for example, insert a credit card) through the OSD unit 55 to insert a credit card.

When the user inserts the credit card into the satellite broadcasting receiver with reference to the guidance message displayed on the screen, the card reader 40 determines the type of the inserted card and provides it to the microcomputer 20, and the microcomputer 20. ) Displays the read card type on the screen through the OSD unit 55, so that the user can check his / her credit card once more, and at the same time, a message for inputting a password for the inserted card. That is, the guide message as shown in FIG. 2A is displayed.

On the other hand, if the user enters the credit card password using the key input means in the state of being inserted into the satellite broadcasting receiver through the above-described process, the microcomputer 20 is a menu stored in a predetermined area of the memory unit 45 By reading the screen information and providing it to the OSD unit 55, the home shopping menu screen as shown in Fig. 2B is displayed. Subsequently, when the user performs home shopping with reference to the menu screen displayed on the screen, the microcomputer 20 attempts to dial the card company by using the modem 50.

Then, when access is made to the card service company, the microcomputer 20 transmits the credit card number and password and the home shopping contents selected by the user to the card service company. At this time, the card service company checks the card number and the card password transmitted from the satellite broadcasting receiver, compares the amount purchased through home shopping with the balance of the card to perform home shopping, and informs that the home shopping is normally performed. The message is transmitted to the modem 50 of the satellite broadcasting receiver.

3 is a flowchart illustrating a process of performing a home shopping method using a credit card in a satellite broadcasting receiver according to a preferred embodiment of the present invention. Referring to FIG. same.

The operation of the satellite broadcasting receiver configured as shown in FIG. 1 may be performed in a normal viewing mode in which a broadcast signal for an arbitrary channel is displayed on a screen through a predetermined signal processing process or in a standby mode for performing a specific command input by a user. During operation (step 301), when a key signal for performing home shopping is input from the key input means (not shown) (step 303), the microcomputer 20 trusts the current satellite broadcast receiver through the card reader 40. It is determined whether a card is inserted (step 305). As a result of the determination, when no credit card is inserted, a guide message for inserting the credit card is displayed through the OSD unit 55 (step 307).

If, as a result of the determination in step 305, the credit card is already inserted or the user inserts the credit card through step 307, the card reader 40 is inserted into the satellite broadcasting receiver. The type of credit card is determined and provided to the microcomputer 20. The microcomputer 20 provides a menu screen for inputting information on the type of the card read through the OSD unit 55 and the password of the card. Display as shown in 2a (step 311). Subsequently, when the user continuously inputs the password of the credit card through the key input means (not shown) with reference to the menu screen displayed on the screen (step 313), the microcomputer 20 again sets a predetermined value of the memory unit 45. By reading menu screen information related to home shopping among various types of menu screen information stored in the area and providing the same to the OSD unit 55, the home shopping menu screen as shown in FIG. 2B is displayed (step 315).

Meanwhile, the user can select a desired transaction by using the home shopping menu screen displayed on the screen. If a key signal for executing the home shopping contents selected by the user is input from the key input means (not shown) (step) 317, the microcomputer 20 connects to the card service company using the modem 50 (step 319), and the card number read by the card reader 40 and the password input in step 313 described above. And the home shopping contents selected by the user (step 321).

On the other hand, the credit card service company compares the credit card number and the card password provided from the satellite broadcasting receiver, and compares the balance of the corresponding card again (step 323). For example, if a password error, balance error, etc. occurs (step 325), the guidance message according to the error is transmitted to the modem 50 of the satellite broadcast receiver (step 327) and the microcomputer 20 of the satellite broadcast receiver. ) Displays the transmitted error message on the screen through the OSD unit 55 so that the user can check the error.

On the contrary, if the home shopping is normally performed without the error of the credit card in the above-described step 325, the card service company transmits a guide message according to the home shopping execution result (step 329). The microcomputer 20 displays the execution result message transmitted from the card service company on the OSD screen and releases the connection of the modem 50 to end the overall operation of the home shopping process using the credit card.

The satellite broadcasting receiver can provide a home shopping function that allows a user to purchase a desired product directly online by using a modem and a credit card, thereby providing a more improved satellite broadcasting service. It works.

Claims (2)

A method of performing home shopping using a credit card in a satellite broadcasting receiver performing billing processing according to viewing a program, When a key signal for home shopping of the satellite broadcast receiver is input, it is checked whether a credit card is inserted in the satellite broadcast receiver, and a request for inserting the credit card when the credit card is not inserted. Displaying a message; A second step of displaying a menu screen for inputting a password for the credit card when the credit card is inserted, and displaying a menu screen for performing the home shopping when the password is input; When any home shopping item displayed on the menu screen is selected and executed, the user accesses the credit card service provider using a modem of the satellite broadcasting receiver, and transmits information about the credit card and the selected home shopping information. A third step of doing; A fourth step of checking whether there is an abnormality by comparing the transferred credit card information with a balance of the credit card; A fifth step of transmitting an error message corresponding to an error when the error occurs and transmitting the home shopping execution result message if an error does not occur; And a sixth step of displaying the transmitted message and releasing the connection of the modem. The home shopping using a credit card in a satellite broadcasting receiver according to claim 1, wherein the second step further comprises the step of determining the type of the inserted credit card and displaying the OSD on an OSD screen when the credit card is inserted. Way.