KR940005798B1 - Compact disk function displayer - Google Patents

Abstract

The compact disk function displaying apparatus of an audio/video system having a unitedly composed television, video tape recorder and compact disk player includes: a controller for receiving a compact disk sensing signal and generating a character signal, a data signal and a control signal; and a character signal generator for displaying various functions of a compact disk on a monitor, thereby serving a user's convenience.

Description

Compact Disc Function Display in a Composite Audio / Video System

1 is a perspective view of a composite audio / video system having a device for displaying various functions of a compact disc according to the present invention on a monitor.

2 is a block diagram of a device for displaying various functions of a compact disc according to the present invention on a monitor.

3 is a control flowchart for displaying the functions of the compact disc as characters on the monitor.

* Explanation of symbols for main parts of the drawings

1: video tape recorder 2: neck portion

3: color TV 4: compact disc player

20: Main Microcomputer 50: Compact Disc Detector

The present invention relates to a compact disc function display apparatus for displaying various functions of a compact disc on a monitor in an audio / video system in which a television, a video tape recorder, and a compact disc player are integrally formed.

At present, the applicant is developing a complex audio / video system in which a color television, a video tape recorder, and a compact disc player are integrally formed. Such a system is shown in FIG. The unit 2 is provided, and the television unit 3 is mounted on the neck unit 2, and the compact disc mounting unit 4A into which the compact disc player 4 can be inserted is installed at the upper end of the television unit 3. . The main power supply of this composite audio / video system is supplied by a main power switch 5 installed in the video tape recorder 1, which is designed to be operated mainly by the remote controller 6.

In addition, on the front of the video tape recorder 1, an input key portion 7 for performing various functions as in a normal video tape recorder is set, and the light receiving portion 8 for receiving an infrared beam from the remote controller 6 is also set. Is installed. In addition, a door 9 and a liquid crystal display 10 for inserting a video tape are provided. The television 3 is provided with a television power switch 11 and a console 12 capable of controlling volume, color, etc., and the monitor 13 and the left and right speakers 14, 15 are provided. It is installed. Here, the television 3 performs tilt movement in the up and down direction (arrow-A direction) by manipulating the remote controller 6 of the user, or the sweep ball (in the left-right direction (arrow-B direction)). Swivel) movement so that the user can watch the television (3) in the desired direction, the up, down, left and right movement of the TV monitor is not shown tilt motor, swivel motor installed in the neck portion (2) By means of other accessories and various control circuits.

However, such a composite audio / video system has a combination of a video tape recorder 1, a color television 3, and a compact disc player 4, which are separately produced and marketed. The player 4 is provided with a small liquid crystal display device 4B, but when the compact disc player 4 is inserted into the compact disc player mounting portion 4A, the user can know at all the display state of the liquid crystal display device 4B. There will be no. In other words, since the compact disc player 4 is mounted on the television monitor 3, the user has no idea whether or not a compact disc (not shown) is mounted inside the compact disc player 4 and is also compact. You cannot check this even if you press various function keys on the disc player.

Accordingly, in view of the above situation, the present invention provides an convenience in using a compact disc player, a video tape recorder, and a color television in which various functions of the compact disc player are displayed on a television monitor. An object of the present invention is to provide a compact disc function display device of a composite audio / video system.

The present invention for achieving the above object is provided with a video tape recorder capable of reproducing a signal recorded on a videotape, a color television having a television broadcast or a monitor capable of displaying the video signal, and installed above the color television. The compact disc player of the composite audio / video system comprising a compact disc player capable of playing a compact disc and a neck portion provided between the video tape recorder and the color television and moving the color television in left, right, up and down directions. As a device, it inputs a signal of a compact disc detector that detects the mounting state of a compact disc, and a text signal indicating the mounting state of the compact disc on a television monitor when the main power is initially supplied, and corresponding to normal playback of the compact disc. data Control means for generating a signal and a control signal; It operates under the control of the control means and generates various functions of the compact disc as text signals, and constitutes text signal generating means for display on the color television monitor.

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

FIG. 2 is a schematic block diagram of a complex audio / video system having a device for displaying various functions of a compact disc according to the present invention on a monitor 13, the remote control 6 shown in FIG. Function keys for performing the functions of 1) are for example VOl ▲; VOl ▼; CH ▲; CH ▼; PWR; PLAY; REC; FF; REW; SEARCH; PGM; A number of keys such as ENTER and keys for operating the color television 3 (eg, PWR; CONTRAST; SHARPNESS; BRIGHT; TONE; COLOR); The key for operating the compact disc player 4 is for example OPEN / CLOSED; SEARCH; REPEAT; PAUSE; SKIP; MEMORY; Various function keys such as PLAY and TRACK INDEX are formed.

If the key for operating the video tape recorder 1 is input from the remote controller 6, the microcomputer 20 detects the signal of the key matrix input unit 21. If the main power key (this is the video tape recorder), Is pressed to operate), the power is applied to the microcomputer 20, and at this time, all the circuit parts of the circuit shown in FIG. 2 except the compact disc part are enabled. If the channel selection key is pressed from the key matrix input unit 21, the microcomputer 20 controls the phase lock loop 22 to generate a tuning voltage to the tuner 23 so that the broadcast inputted through the antenna 24 is performed. The channel signal is tuned by the tuner 23 and input to the microcomputer 20.

Then, the microcomputer 20 controls the digitron 10 to thereby display the currently performing function as a character. In addition, the microcomputer 20 controls the on-screen display IC 25 to generate corresponding characters when reserving a program, performing a function of a video tape recorder or television, or performing a function of a compact disc player. Among the signals read from the video tape, the horizontal and vertical synchronizing signals are separated by the synchronizing signal separating unit 26 and then applied to the on-screen display IC 25 to be used to make a character signal. The radio frequency modulator 27 modulates the video signal and displays it on the television monitor 13, and the deck 28 and the servo device 29 operate the video tape recorder under the control of the microcomputer 20. FIG.

On the other hand, when the user wants to operate the compact disc player 4 shown in FIG. 1 by operating the remote controller 6, the microcomputer 20 receives the key signal to control the micro disc 30 for the compact disc player. At this time, the microcomputer 30 generates a signal for the motor driver 31 to drive the turntable driving motor 32. Then, as the motor 32 is rotated, the turntable 33 is rotated, and the compact disc 34 installed on the turntable 33 is rotated. When the compact disc 34 rotates, the pickup 35 reads the digital signal recorded on the compact disc 34 and applies it to the amplifier 36. The signal thus read is applied to a focus and tracking controller 37, which controls the actuator 38 to control the focusing and tracking of the pickup 35.

The digital compact disc signal input from the focus and tracking controller 37 is provided to the digital signal processor 39, processed, converted into an analog signal by the digital / analog converter 40, and then via the output amplifier 41. It can be output to the outside through the speakers (14, 15), the functions of the video tape recorder and compact disc player described so far is common in the conventional video tape recorder and compact disc player.

Therefore, in the present invention, an essential matter is that various functions of the compact disc player are displayed as characters on the monitor 13 during operation of the compact disc player, which will be described in detail.

First, when the main power is applied to the video tape recorder 1 shown in FIG. 1 by operating the remote controller 6, the main microcomputer 20 recognizes this and enables all the circuits shown in FIG. Here, the main microcomputer 20 performs a corresponding function when the function selection switch (not shown) from the key matrix input unit 21 or the remote controller 6 is pressed. If the function selection switch for operating the compact disc player 4 is pressed, the main microcomputer 20 controls the on-screen display IC 25 and simultaneously operates the monitor 13. In addition, the microcomputer 20 provides the strobe signal STB to the microcomputer 30 for controlling the compact disc player and enables it, and also controls the clock signal CLK and the strobe signal STB to the on-screen display IC 25. And supply power to the monitor (13).

By the way, when the compact disc player 4 shown in FIG. 1 is inserted into the mounting portion 4A, and a compact disc (not shown) is inserted into the compact disc player 4, the compact disc detector 50 does this. The main microcomputer 20 recognizes and provides a detection signal to the main computer 20. The main microcomputer 20 first provides a clock signal and a data signal to the on-screen display IC 25 so that the compact disc is mounted in the compact disc player 4. Is displayed so that a character such as "CD IN" is displayed on the monitor 13.

Then, when the user presses a function key (for example, PLAY; PAUSE; STOP; PEPEAT; VOL. ▼, VOL ▲, MEMORY, etc.) that can control the compact disc player in the remote controller 6, the main microcomputer 20 is compact. By controlling the disc player control microcomputer 30 to reproduce the disc signal recorded on the compact disc and providing the clock signal CLK, the strobe signal STB, and the data 25 to the on-screen display IC 25. The state of the compact disc player is displayed on the monitor 13. For example, when the compact disc is being played, the character "CD PLAY NO.1" may appear on the monitor 13 or a character indicating various functions, that is, a character corresponding to the character when the user operates the remote controller 6 may be displayed. There is a number.

3 is a control flow chart for displaying the functions of the compact disc according to the present invention on a monitor. First, when the user operates the remote controller 6 to supply the main power to the main micom 20, the main micom ( 20 recognizes this and operates the on-screen display IC 25 and the monitor 13 (steps 101 and 102), but only when the main power is not applied, only the digitron 10 displayed on the front of the video tape recorder 1 is present. It is activated (step 103).

When the user presses a function key of the compact disc player in the remote controller 6 while the main power is applied, the program proceeds from step 104 to step 105, and the main micom 20 controls the micro disc 30 for controlling the compact disc player. Enable the compact disc to be played back, and then supply the clock signal CLK, strobe signal STB, and data signal DATA to the on-screen display IC 25 to reproduce the current disc state (e.g., playback). ) Is displayed on the monitor 13 (step 106). The main microcomputer 20 then displays the playback time of the compact disc (step 107), and displays the current song number (step 108).

When the currently playing song is completely finished, the program proceeds from step 109 to step 110, one song is completed, and the counter is increased by one to play the next song. If the function key of the compact disc player is not released, the program returns from step 111 to step 105 and repeats the above-described process, but when the compact disc player is not operated, the main microcomputer ( 20 turns off the on-screen display IC 25 and simultaneously turns off the monitor 13 so that the function of the compact disc is no longer displayed on the monitor 13 (step 112).

On the other hand, when it is determined in step 104 that the elapse of a predetermined time (for example, about 5 seconds) after the on-screen display IC 25 is initially operated (step 113), various functions of the compact disc player are transferred to the monitor. It becomes impossible to display, and functions other than this display function, such as a color television or video tape recorder function, are performed (step 114).

The present invention operating as described above can provide convenience in use by displaying various functions of the compact disc player as characters on a color television monitor in a complex audio / video system in which a compact disc player, a color television, and a video tape recorder are integrated. Will have.

Claims (1)

A color tape having a video tape recorder capable of reproducing signals recorded on a video tape, a television broadcasting or a monitor capable of displaying the video signal, and a compact disc provided above the color television and capable of playing a compact disc. A compact disc function display apparatus for a composite audio / video system, comprising a player and a neck portion provided between the video tape recorder and a color television, the neck portion moving the color television in left, right, up and down directions; Inputs the signal of the compact disc detector that detects the compact disc's loading status. The text signal indicating the compact disc's mounting status on the TV monitor when the main power is initially applied, and the corresponding data signal and control during normal playback of the compact disc. Control means for generating a signal; A compact disc function display apparatus for a composite audio / video system, comprising character signal generating means operable under the control of the control means to generate various functions of the compact disc as text signals for display on the color television monitor.