KR20030008998A - A complex system of television plus optical recording/reproduction unit and design method of the complex system - Google Patents

Abstract

PURPOSE: A system and a method for designing a television combined with an optical equipment recorder are provided to easily upgrade a DVD-ROM constructing a combined TV and DVD-ROM apparatus, and standardize the design of a TV system regardless of types of the DVD-ROM. CONSTITUTION: A combined television and optical equipment system includes a TV circuit block(110) including a master micro processor(110-1) generally controlling the combined television and optical equipment system, and processing TV A/V signals and optical equipment A/V regenerating signals; an interface block(120) including a slave micro processor(120-1) transmitting and receiving data through a serial interface with the master micro processor and executing data communication with the optical equipment by an ATAPI(AT Attachment Packet Interface) communication protocol, thereby decoding the signals generated from the optical equipment to transmit to the TV circuit block; and a DVD-ROM block(200) combined by the interface block and an ATAPI connecting terminal, and regenerating the signals recorded at a disk by executing a mode corresponding to control data transmitted to the ATAPI connecting terminal to output the regenerated signals to the interface block.

Description

A complex system of television plus optical recording / reproduction unit and design method of the complex system

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television composite system and a design method combined with an optical recording and reproducing apparatus, and more particularly, to a combination of a television and a DVD-ROM in a composite image processing system combining a DVD (ROM) and a TV. The present invention relates to a design system and a design method of an optical equipment recording and reproducing apparatus composite television designed by standardizing an interface circuit according to a common ATAPI communication standard and having compatibility with other types of DVD-ROMs.

DVD-ROMs and DVD players, one of video playback devices, are emerging as next generation multimedia devices. The DVD-ROM is connected to a computer, transmits / receives playback data and control data through ATAPI communication with the computer, and receives direct control via the computer. Process. In contrast, a DVD player is designed to be independently controlled, signal processed, and output to a display device without connecting to a computer. Therefore, the DVD player has a built-in control unit for controlling the MPEG decoder and the DVD drive, and also has a power supply unit.

As the image reproducing device is developed into the multimedia trend, the technology is being developed in the form of the combination of the television and the image reproducing device.

As shown in FIG. 1, a combination product of a DVD player and a TV according to the related art is composed of a TV circuit block 10, an interface unit 20, and a DVD player block 30, and a TV circuit block 10. Is composed of a TV microprocessor (10-1) for controlling the TV as a whole, a signal processor (10-2) for processing TV broadcast signals and DVD playback signals, and a power supply (10-3), and the DVD player block (30). DVD-MECHA block 32 including pickup, DVDP microprocessor 31-1, MPEG decoder 31-2 and RF & Servo block 31-3 for performing RF signal processing and servo control. A DVDP circuit block 31 is included.

The TV microprocessor 10-1 transfers control commands to the DVDP microprocessor 31-1 via the terminals C ₁ and C ₄ by means of a microprocessor embedded in the interface unit 20 and a prescribed communication protocol. Control the player.

Then, the data reproduced in the DVD-MECHA block 32 is transmitted to the MPEG decoder 31-2 through the terminal C ₆ , and after the decoding is performed via the interface unit 20 via the terminal C ₄ , The signal is transmitted to the signal processing unit 10-2 of the TV circuit block 10 again via the terminal C ₂ . The power output from the power supply unit 10-3 of the TV circuit block 10 is supplied to the DVD player block 30 through the terminals C ₃ and C ₅ .

However, a television plus DVD player composite system in which a conventional television and a video reproducing apparatus are combined according to such a configuration must conform the circuit design specification of the television to the DVD player specification combined with the television, or the circuit of the DVD player. The design specifications must match the specifications of the television. However, since the design specifications of the DVD player are not standardized, due to limitations that are compatible only with one model selected at the time of initial design, from the user's point of view, there is a problem that the DVD player connected to the television cannot be upgraded to another model. In addition, from the producer's point of view, there is a problem in that the design cost and production cost are increased because the design specifications of the television have to be changed for each combined DVD player model.

The technical problem to be solved by the present invention is to solve the above problems by designing the interface circuit of a complex system combining a television and a DVD-ROM in a standardized ATAPI communication standard to freely change the DVD-ROM coupled to the television to another model. To provide a television plus DVD-ROM composite system and design method to enable.

1 is a block diagram of a TV plus DVDP complex system according to the related art.

Fig. 2 is a block diagram of a design system of the optical apparatus for recording and reproducing apparatus hybrid television according to the present invention.

3 is a detailed block diagram of the DVD-ROM shown in FIG.

In order to achieve the above technical problem, a television integrated optical equipment composite system according to the present invention includes a master microprocessor that collectively controls a TV plus DVD-ROM composite system in a television composite product system, and includes a TV A / V signal and TV circuit block for processing DVD-ROM A / V playback signal, slave microprocessor that transmits / receives data through serial interface with the master microprocessor, and executes data communication with DVD-ROM by ATAPI communication protocol. An interface block for decoding the signal reproduced from the DVD-ROM and transmitting the decoded signal to the TV circuit block and the interface block and the ATAPI connection terminal, and corresponding to the control data transmitted to the ATAPI connection terminal. Mode to play back the signal recorded on the disc. It is characterized by including a DVD-ROM block to output to the interface block.

In order to achieve the above another technical problem, a television integrated optical apparatus composite system design method according to the present invention is divided into a TV block including a DVD-ROM block and an interface circuit in a television composite product system design method. The interface circuit is designed to perform data communication by the ATAPI communication protocol, to control the DVD-ROM by the microprocessor of the TV block, and to process the signal reproduced by the DVD-ROM in the TV block.

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

As shown in Fig. 2, the design system of the optical apparatus for recording and reproducing a composite television according to the present invention includes a TV circuit block 110, an interface block 120, and a DVD ROM block 220.

The TV circuit block 110 and the interface block 120 are embedded in the TV block 100. Specifically, the TV circuit block 110 includes a master microprocessor 110-1 and a signal processor 110-2. And a power supply unit 110-3, and the interface block 120 includes a slave microprocessor 120-1 and an MPEG decoder 120-2.

As shown in FIG. 3, the DVD ROM block 220 includes a DVD 301, a pickup 302, an RF amplifier 303, a digital signal processor 304, a spindle motor 305, a servo controller 306, and the like. The system control unit 307 is configured.

First, a description of the operation of the DVD-ROM block 220 is as follows.

The servo control unit 306 controls the speed control of the spindle motor 305 which rotates the DVD 301 and the transfer of the pickup 302. That is, various servo controls such as tracking servo, focus servo, seek servo, and rotation servo are executed.

The pickup 302 detects the data recorded on the DVD 301 by using the built-in semiconductor laser diode and photodiode and outputs the data to the RF amplifier 303. The RF amplifier 303 amplifies the signal detected by the DVD 101, outputs a signal necessary for servo control to the servo control unit 306, and outputs a signal necessary for signal processing to the digital signal processing unit 304. FIG.

The digital signal processing unit 304 converts the signal input from the RF amplifier 303 into digital data, executes signal processing such as error correction, and executes signal processing such as an error stream through the terminal P ₄ by means of the ATAPI communication protocol. To the MPEG decoder 120-2.

The system controller 307 collectively controls the DVD-ROM system according to the control data transmitted from the slave microprocessor 120-1 of the interface block 120.

Next, the operation of the TV circuit block 110 is as follows.

The master microprocessor 110-1 collectively controls the TV plus DVD-ROM composite system, which is connected to the slave microprocessor 120-1 of the interface block 120 in a protocol scheme defined by the serial interface P ₁ . Therefore, the neighboring blocks are controlled.

The signal processing unit 110-2 performs signal processing for converting a received broadcast signal or a signal P ₂ decoded by the MPEG decoder 120-2 of the interface block 120 into a signal for outputting to a CRT of a television. Run

The power supply unit 110-3 supplies power to the DVD-ROM 200 through the terminal P ₅ via the power terminal P ₃ of the interface block 120 as well as the power supply of the TV block 100. To supply.

Finally, the operation of the interface block 120 embedded in the TV is as follows.

The slave microprocessor 120-1 performs serial interface communication with the master microprocessor 110-1 through terminal P ₁ , and the internationally standardized ATAPI communication with the DVD-ROM 200 block through terminal P ₄ . By performing data communication by the protocol, the control command of the master microprocessor 110-1 is transmitted to the DVD-ROM 200 block, and the MPEG decoder 120-2 is controlled.

The MPEG decoder 120-2 inputs the playback stream data reproduced from the DVD-ROM 200 block and output from the digital signal processing unit 304 through the terminal P ₄ to separate the video data and the audio data, and then decodes them respectively. The signal is output to the signal processor 110-2 of the TV circuit block 110 through the terminal P ₂ .

By designing the interface circuit of the composite product of the TV Plus DVD-ROM using the internationally standardized ATAPI communication protocol, the DVD-ROM coupled to the TV can be easily changed to another model according to the user's needs. In TV system design, standardized design is possible regardless of the type of DVD-ROM.

The invention can be practiced as a method, apparatus, system, or the like. When implemented in software, the constituent means of the present invention are code segments that necessarily perform the necessary work. The program or code segments may be stored in a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network. Processor readable media includes any medium that can store or transmit information. Examples of processor-readable media include electronic circuits, semiconductor memory devices, ROMs, flash memory, erasable ROM (EROM), floppy disks, optical disks, hard disks, optical fiber media, radio frequency (RF) networks, Etc. Computer data signals include any signal that can propagate over transmission media such as electronic network channels, optical fibers, air, electromagnetic fields, RF networks, and the like.

Specific embodiments shown and described in the accompanying drawings are only to be understood as an example of the present invention, not to limit the scope of the invention, but also within the scope of the technical spirit described in the present invention in the technical field to which the present invention belongs As various other changes may occur, it is obvious that the invention is not limited to the specific constructions and arrangements shown or described.

As described above, according to the present invention, by designing the composite product of the TV plus DVD-ROM using the internationally standardized ATAPI communication protocol, the DVD-ROM constituting the TV plus DVD-ROM composite product can be manufactured according to the user's needs. It can be easily changed by upgrading to another model, and standardized design is possible regardless of the type of DVD-ROM in TV system design, thereby reducing the design cost and production cost.

Claims (4)

In a television composite product system, A TV circuit block for processing a TV A / V signal and an optical A / V playback signal, including a master microprocessor that collectively controls a complex system of a TV and an optical recorder; And a slave microprocessor that transmits / receives data through a serial interface with the master microprocessor, and the optical device includes a slave microprocessor that performs data communication according to an ATAPI communication protocol, and decodes a signal reproduced by the optical device. An interface block for transmitting to the block; And And a DVD-ROM block coupled by the interface block and the ATAPI connection terminal to execute a mode corresponding to the control data transmitted to the ATAPI connection terminal to reproduce a signal recorded on the disc and output the signal to the interface block. A television integrated optical equipment composite system. The system of claim 1, wherein the interface block is designed to be embedded in a television. 2. The integrated television integrated optical equipment composite system according to claim 1, wherein the power supply of the optical device block is supplied to the TV circuit block via the interface block. In the television composite product system design method, The optical device block is divided into a TV block including an interface circuit, and the optical device block and the interface circuit execute data communication according to the ATAPI communication protocol to control the optical device by the microprocessor of the TV block, and reproduce the data in the optical device. A method for designing a television integrated optical device complex system, characterized in that the signal is designed to be processed in a TV block.