KR0135821B1 - Compact disc player embodied television - Google Patents

Abstract

When a compact disc player integrated television receiver is operated in the compact disc mode, a compact disc player integrated television receiver for selectively displaying the video signal generated by the compact disc song accompaniment device and the video signal generated by the television receiver is selectively displayed on the display device. do.

A compact disc player integrated television receiver according to the present invention comprises: a first selector for selecting a video signal of a television signal receiver or a video signal of the compact disc player and outputting the video signal to the video signal processor; And a second selector for intermitting the supply to the unit as an external video signal, and a controller for generating a control signal for controlling the first selector and the second selector.

The compact disc player integrated television receiver according to the present invention has the effect that the video signals generated from the compact disc song accompaniment device and the television receiver are appropriately selected and displayed on the display device according to the operation mode.

Description

Compact Disc Player Integrated TV Receiver

1 is a front view of a television receiver integrated with a compact disc player.

2 is a diagram for explaining the key arrangement of the control box of the television receiver with integrated compact disc player shown in FIG.

3 is a circuit block diagram showing one embodiment of a compact disc player integrated television receiver according to the present invention.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver integrated with a compact disc player, and in particular, when a compact disc player integrated television receiver operates in a compact disc mode, a video signal generated by a compact disc song accompaniment device and a video signal generated by a television receiver are selectively displayed. A compact disc player integrated television receiver for display via a device.

Compact disc song accompaniment device, also known as CD-OK device, stores more than 2000 song accompaniment and lyrics and 4000 still images on one compact disc, and plays and outputs accompaniment and song lyrics data of selected songs. Plays back the screen so that it is displayed as the background screen.

However, such a CD-OK has a display unit, so it is inconvenient to use it by connecting an external video connection jack of a television receiver through an audio and video output terminal.

Developed to improve this is a compact disc player integrated television receiver. The compact disc player integrated television receiver integrates a compact disc song accompaniment device and a television receiver to provide convenience in use and provide various background images during the song accompaniment.

However, since the video signal reproduced from the CD-OK disc is a video signal showing a still picture, there is a problem that it does not give a dynamic feeling.

It is therefore an object of the present invention to provide a compact disc player integrated television receiver for selectively providing a television signal received through a tuner and a video signal reproduced on a compact disc in accordance with an operation mode to a display device.

In order to achieve the above object, the compact disc player integrated television receiver of the present invention

A first selector which selects a video signal of the television signal receiver or a video signal of the compact disc player and outputs the video signal to the video signal processor; And

A second selector for intermitting the video signal of the television signal receiver to be supplied as an external video signal to the compact disc player; And

And a controller configured to generate a control signal for controlling the first selector and the second selector. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 shows a front view of a CD-TV composite product. In FIG. 1, reference numeral 10 is a CRT, 12 is a speaker, 14 is a microphone jack, 16 is a disc door, 18 is an open / close button, 20 is a remote control reception window, 22 is a power indicator lamp, 24 is the main power button, and 26 is the control box.

2 shows an arrangement of keys installed in the control box 20. The keys are largely divided into a television control key section 28 and a CD control key section 30.

The television control key section 28 includes channel up / down keys, sound up / down keys, menu keys, TV / VIDEO keys, and mute keys. CD control key 30 includes pitch up / down key, tempo up / down key, confirmation key, reservation key, cancel key, 0-9 number keys, skip key, scorecard, male / female key, background selection key. , Monitor selection key, playback key, stop key, selection up / down key, CD on / off key, menu key, and the like.

3 is a circuit block diagram of a preferred embodiment of a CD-TV composite product to which the video signal selection device according to the present invention is applied. 3 is a television signal receiver 32 for receiving a largely tuned television signal, detecting and outputting a video signal and an audio signal from the received signal, a first control signal C1 inputted with data, and a second control signal inputted with a remote controller. If (C2) is input and the two control signals match, the compact disc player unit 34 and the television signal receiver 32 having a song accompaniment function for reading data from at least one type of compact disc and outputting video and audio signals. The video signal processor 36 selectively inputs the video signal V1 and the video signal V2 of the compact disc player 34 to process the signal, and displays the processed signal through a display means 10 such as a CRT or LCD. ), The audio signal A1 of the television signal receiver 32 and the audio signal A2 of the compact disc player 34 are selectively input The audio signal processor 38 outputs the output signal through the sound conversion means such as the speaker 12, and receives the AC power to supply the television power signal Vtv and the power signal Vcd of the compact disc player 34. In response to a control signal input through the power supply unit 40, the control box 26, or the remote controller 27, respectively, the selected television or compact disc mode is set to control the power supply of each unit of the power supply unit 40, and the video signal. And a television control section 42 which controls signal selection of the processing section 36 and audio signal processing section 38 and provides a first control signal C1 to the compact disc player 34.

The video signal processing section 36 selects and outputs the video signal V1 of the television signal receiving section 32 and the video signal V2 of the compact disc player section 34 and outputs them. A video processing unit 46 for processing the video signal input through 44 and outputting an RGB signal, a CRT circuit unit 48 for inputting an RGB signal to display the video signal on the CRT, at the time of background selection in the compact disc mode. Second selection means 50 for connecting the video signal V1 of the television signal receiver 32 to the external video input terminal EX of the compact disc player 34, and the video signal V1 of the television signal receiver 32; And the seventh selecting means 51 for selecting the video signal V2 of the compact disc player unit 34 and providing the video signal V2 to the external monitor video output jack MV.

The video processor 46 includes a comb filter 52 for separating the video signal into a color signal and a luminance signal, a selector 54 for selecting a color / luminance signal separated from an S-VHS signal input from an external connection jack, and synchronous separation / The signal processor 56, the RGB signal provided from the compact disc player 34, and the signal processing means 56, which perform luminance signal processing and color signal processing, synthesize an OSD signal with the processed RGB signal, and generate an RGB output. And an RGB mixer 58 for mixing the RGB signals.

The audio signal processing unit 38 selects and outputs the audio signal of the television signal receiving unit 32 and the at least one external audio signal A11, A12, SA, which are input, and the fifth selecting means 72, 72 is an amplifier 60 for amplifying the audio signal A1 output from 0.4 Vrms to 2 Vrms, and mixing the input signal through the microphone 15 to the audio signal A2 of the compact disc player 34. Stereo sound processing by inputting the audio signal selected by the third selector 62 and the third selector 62, which selects and outputs the audio signal of the means 70, the amplifier 60 and the audio signal of the mixing means 70. The surround processor 64 includes an audio output unit 66 for driving the speaker 12 by echo processing the surround audio signal. The output of the eighth selector 63 is provided to an audio output jack MA for an external monitor.

The reason for the amplification in the amplifier 60 is to unify to one level in order to prevent the volume from being adjusted each time since the level of the audio signal of the television and the level of the audio signal of the CD reproduction sound are different from each other. The audio signal is two channels of L / R. 68 is an audio input amplifier.

The television signal receiving unit 32 includes a fourth selecting means 74 and a signal processor 76 for selecting and outputting a received television video signal and at least one externally input video signal V11, V12, S-VHS. Include.

The signal processor 76 inputs preset data to tune the television broadcast channel and demodulates the television signal received through the tuned channel to generate a video signal and an audio signal.

The television control unit 42 includes a microprocessor 84, a remote control signal receiver 86, a control box 26, and a remote control 27. The microprocessor 84 inputs a synchronization signal (H / V) from the signal processor 56 of the video processor 46 and provides an OSD signal to the signal processor 56.

In addition, the microprocessor 84 generates the switching control signals X1-X6 of the selection means. The remote control signal receiver 86 receives the remote control signal emitted from the control box 26 and the remote control 27 and provides the received signal to the microprocessor 84 and the compact disc player 34 in common.

The power supply unit 40 inputs commercial alternating current from the primary power supply unit 78 to generate a primary power supply voltage, and provides a standby power supply voltage to the television control unit 42.

The television power supply unit 80 generates various power supply voltages for the television signal receiver 32, the video signal processor 36, and the audio signal processor 38. The CD power supply unit 82 generates various power supply voltages of the compact disc player 34 in accordance with the power control signal PW of the television control unit 42.

The operation of the apparatus shown in FIG. 3 is as follows.

First, in the state in which commercial exchange is applied, the set is maintained in the standby state by the primary power supply unit 78 of the power supply unit 40. That is, the standby power is supplied to the microprocessor 84 of the television control unit 42 to maintain the reception standby state of the remote control signal.

When the user presses the power button 24 or inputs a power-on command through the remote control, the TV power supply voltage is supplied to the television signal receiver 32, the video signal processor 36, and the audio signal processor 38 through the television power supply 80. This is provided. In the initial state, the selection means 44, 62, 72, 74 are switched to the TV mode. The selecting means 50 is kept off. Therefore, the television mode (hereinafter referred to as TV mode) is always set as the initial mode.

When the user presses the CD power key of the control box or the CD power key is input through the remote control, the mode is changed from TV mode to compact disc mode (hereinafter referred to as CD), and the microprocessor 84 supplies the power control signal PW. When the CD power supply unit 82 is generated and enabled, a power supply voltage is supplied from the CD power supply unit 82 to the compact disc player 34.

The compact disc player 34 reads disc information from the lead-in area of the disc inserted through the door, and transmits a control signal corresponding to the disc to the television control unit 42. In the CD mode, the television control unit 42 controls the switching of various selection means in accordance with the disc type.

In the case of a CD digital audio disc, the switching control signal X6 is generated to switch the sixth selection means 62 to the compact disc player side and display related information such as disc table information on an OSD (On Screen Display). Thus, the user can interactively use the set through the remote control while viewing the OSD displayed on the CRT.

In the case of a CDG or CD-OK disc, switching control signals X2 and X6 are generated to switch the selection means 44 and 62 to the compact disc player side. In the case of using the song accompaniment function using the CDG disc, a graphic picture recorded in the disc is provided as a background image, and in the case of using a CD-OK disc, a still picture recorded in the disc is provided.

When the user presses the background selection key of the control box 26, the switching control signal X3 is generated to switch the third selection means 50 to the on state. Therefore, the TV screen can be selected as the background image at the time of song performance.

If the user wants to receive a background image from an external video source such as a video camera or a video cassette recorder, the switching control signal (X1) can be selected by connecting the video output terminal of the device to the external video input terminal and selecting the corresponding external video input terminal. Is generated so that the selection means 74 switches to select the corresponding external video signal.

When using the external video as a background screen, the compact disc player unit 34 inputs an external video signal to the input terminal EX to superimpose the lyrics information generated internally, and the video signal to which the lyrics information is superimposed. To be displayed on the CRT 10 through the first selection means 44.

In addition, the compact disc player unit 34 may output a video signal as a composite video signal, but may output an RGB signal and display the same on the CRT 10 through the RGB mixer 58 of the video processor 46.

When the user presses the monitor key of the control box 26, the switching control signals X7 and X8 are generated so that the seventh selecting means 51 and the eighth selecting means 63 are switched on. Therefore, the television screen can be monitored even in the CD mode.

If the CD mode is not selected in order to minimize power consumption, the CD power supply unit 82 is in a disabled state to cut off the power supply to the compact disc player unit 34.

As described above, the compact television player-integrated television receiver according to the present invention has an effect that the video signals generated from the compact disk song accompaniment apparatus and the television receiver are appropriately selected and displayed on the display apparatus according to the operation mode.

Claims (1)

A television signal receiver that receives a tuned television signal and detects and outputs a video signal from the received signal. When a video signal is not supplied from the outside, a video signal reproduced from a compact disc is output. The compact disc player unit having a song accompaniment function for outputting the lyrics information superimposed on the video signal provided by the video signal, and the video signal of the television signal receiving unit and the video signal of the compact disc player unit are selectively inputted to process and process the processed signal. A compact disc player integrated television receiver having a video signal processing unit for displaying the video signal processing unit, the video signal processing unit A first selector which selects a video signal of the television signal receiver or a video signal of the compact disc player and outputs the video signal to the video signal processor; A second selector for intermitting the video signal of the television signal receiver to be supplied as an external video signal to the compact disc player; And And a control unit for generating a control signal for controlling the first selection unit and the second selection unit.