KR19990048716A - Program upgrade apparatus and method in digital television receiver - Google Patents

Abstract

The technical field to which the invention described in the claims belongs.

A digital television receiver.

B. Technical problem to be solved

An apparatus and method for easily upgrading a program stored in a flash ROM of a digital television receiver are provided.

C. Summary of the Solution

A CD-ROM drive is installed in the digital television receiver, and the program stored in the flash ROM of the digital television receiver is upgraded to the program stored in the CD mounted in the CD-ROM drive using the CD-ROM drive.

D. Significant Uses of the Invention

Used for program upgrades on digital television receivers.

Description

Program upgrade apparatus and method in digital television receiver

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital television receiver (hereinafter referred to as "TV") receiver, and more particularly to a method for upgrading a program in a flash ROM of a digital television receiver.

In general, digital TV receivers are equipped with a high-performance microprocessor and a variety of programs such as a web browser. However, these programs should be upgraded to new programs with new functions if necessary.

Therefore, when the program needs to be upgraded, the A / S staff visited the home one by one and provided a service for upgrading the program using the serial port provided in the digital TV receiver. However, as mentioned above, it is very cumbersome and inconvenient to visit the home and upgrade the programs embedded in the digital TV receiver.

As described above, in order to upgrade the program of the digital TV receiver, there was only a method in which an A / S person in charge visited and upgraded the program using the serial port of the digital TV receiver.

Accordingly, an object of the present invention is to provide an apparatus and method for easily upgrading a program embedded in a digital TV receiver.

1 is a block diagram of an HDTV receiver equipped with a CD-ROM drive according to an embodiment of the present invention;

2 is a flowchart of a program upgrade using a CD-ROM drive according to an exemplary embodiment of the present invention.

The present invention for achieving the above object is to install a compact disk-ROM (Compact Disk-ROM: hereinafter referred to as "CD-ROM") drive in the digital TV receiver using the CD-ROM drive flash of the digital TV receiver The program stored in the ROM is characterized by upgrading to a program stored in a compact disk (hereinafter referred to as "CD") mounted in the CD-ROM drive.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Many specific details are set forth in the following description and in the accompanying drawings to provide a more general understanding of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. And a detailed description of known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

First, a block diagram of a digital TV receiver having a CD-ROM drive according to an embodiment of the present invention is shown in FIG. 1. In particular, FIG. 1 illustrates a block diagram of a high definition television (HDTV) receiver employing a moving picture expert group (MPEG) standard as an example of a digital TV receiver applied to an embodiment of the present invention. Referring to FIG. 1, a tuner 102 inputs a digital TV broadcast signal received through an antenna 100 to tune a channel under control of a microprocessor 124 and to perform an IF (Intermediate Frequency) according to the tune. Output the signal. The IF module 104 converts the IF signal output from the tuner 102 into a baseband signal. The channel decoder 106 reproduces the data bit stream by channel decoding the baseband signal output from the IF module 104. The TS (Transport Stream) decoder 108 separates audio data, video data and additional data from the data bit string reproduced by the channel decoder 106. The audio data among the separated data is applied to the audio decoder 110, decoded according to the MPEG standard or the Dolby AC-3 standard, processed by the audio processing unit and the output unit 112, and then the speaker 114 is moved. Is output through voice. The video data is applied to the video decoder 116, decoded according to the MPEG standard, and applied to the OSG (On Screen Graphic) Mixer (118) to be combined with OSG data under the control of the microprocessor 124 to process the video and After processing at the output unit 120 is output on the screen through the water pipe (122). The OSG data is data for the microprocessor 124 to display various types of information on the screen as a graphic or a text. The CD-ROM drive 136 reproduces the data stored in the CD and applies it to the microprocessor 124.

In addition, a keypad 130 and an IR receiver 134 are connected to the microprocessor 124, which is a control unit of the HDTV receiver, through a user interface 128. The microprocessor 124 performs an operation according to a command input from the IR remote controller 132 through the keypad 130 or the IR receiver 134 according to a program stored in the memory unit 126. In addition, the memory unit 126 may include a flash ROM for storing a program of the microprocessor 124 and a random access memory (RAM) for temporarily storing data according to program execution of the microprocessor 124. And EEPROM (Electrically Erasable And Programmable ROM) for storing various reference data.

2 is a flowchart illustrating a process of upgrading a program stored in a flash ROM of a digital TV receiver using a CD-ROM drive according to an exemplary embodiment of the present invention. The operation according to the flowchart of FIG. 2 is programmed in the memory unit 126 to be performed by the microprocessor 124 of FIG. An embodiment of the present invention will now be described in detail with reference to FIGS. 1 and 2.

If there is a need to upgrade a program stored in the flash ROM of the HDTV receiver according to an embodiment of the present invention, the user first mounts a CD in which new program data is stored in the CD-ROM drive 136 installed in the HDTV receiver. Then, a key for selecting the CD-ROM drive 136 is input on the menu screen of the HDTV receiver. Accordingly, the CD-ROM drive mode is set in the HDTV receiver. In response, the microprocessor 124 proceeds from step 200 to step 202 of FIG. 2 to check whether a program upgrade key is input. The program upgrade key refers to a key that is preset to perform a function of upgrading program data stored in a flash ROM of the HDTV receiver with new program data stored on the CD. In this case, if the input of the program upgrade key is not recognized in step 202, the microprocessor 124 proceeds to step 204 to perform the operation of the conventional CD-ROM drive 136 according to the user's key input.

On the contrary, if the program upgrade key is recognized in step 202, the microprocessor 124 proceeds to step 206, and whether the program CD in which the upgrade program is currently stored is installed in the CD-ROM drive 136. Check it. At this time, if it is confirmed that the CD mounted in the CD-ROM drive 136 is a program CD, the microprocessor 124 proceeds to step 208 to read a new program from the program CD. Next, the microprocessor 124 proceeds to step 210 and applies the program read from the program CD to the flash ROM in step 208 and stores the program previously stored in the flash ROM in step 208. Upgrade to a program read from. The microprocessor 124 proceeds to step 212 and checks whether the program upgrade is completed. If the program upgrade is not completed, the microprocessor 124 returns to step 208 to perform steps 208 to 212 again. If the program upgrade is completed, the execution ends.

Therefore, by providing a CD-ROM drive in the digital TV receiver, the program stored in the flash ROM of the digital TV receiver can be easily upgraded by using the CD in which the program to be upgraded is stored.

As described above, the present invention has an advantage of easily upgrading a program stored in a flash ROM of a digital TV receiver by using a CD in which a program to be upgraded is stored by providing a CD-ROM drive in the digital TV receiver.

Claims (4)

In a digital television receiver, A compact disc drive provided in the digital television receiver for reproducing and outputting data stored in the compact disc; A flash ROM storing various programs of the digital television receiver; A keypad for generating and outputting key data according to key input for upgrading a program from a user; And a microprocessor for recognizing the key data according to the program upgrade key input through the keypad, reading a program stored in the compact disk, and upgrading a program previously stored in the flash ROM to the read program. Program upgrade apparatus in a digital television receiver, characterized in that. A method for upgrading a program stored in a flash ROM of a digital television receiver having a compact disc drive, Reading a program stored in a compact disk mounted in the compact disk drive when a program upgrade key is input while the compact disk drive mode is set in the digital television receiver; And upgrading a program stored in the flash ROM to a program read from the compact disc. The digital television according to claim 2, further comprising a step of performing a normal operation of the compact disk drive according to a user's key input if a program upgrade key is not input while the compact disk drive mode is set. How to upgrade the program on the receiver. The method of claim 2, further comprising displaying a message on the screen of the digital television receiver indicating that the compact disk is incorrectly mounted in the compact disk drive when the compact disk mounted in the compact disk drive is not a compact disk for program data upgrade. Program upgrade method in a digital television receiver characterized in that it comprises.