KR0144888B1 - Double/wide tv with vtr and cd-ok system - Google Patents

Abstract

The present invention relates to a double / wide television receiver with a built-in video cassette recorder and a CD-OK system. The double / wide television receiver with a built-in video cassette recorder and a CD-OK system doubles a video cassette recorder and a CD-OK system. By implementing an A / V system that can be combined with a wide television receiver and control it collectively, it has the effect of improving the added value of the product by satisfying various needs of the user.

Description

Double / wide TV with video cassette recorder and CD-OK system

1 is a block diagram showing the configuration of a double / wide television receiver incorporating a video cassette recorder and a CD-OK system according to the present invention.

FIG. 2 is a block diagram showing the detailed configuration of the audio / video selection unit shown in FIG.

The present invention relates to a double / wide television receiver, and more particularly, to a double / wide television receiver incorporating a video cassette recorder and a CD-OK system.

Double / wide TV receivers can display video signals on a wide screen with a 16: 9 aspect ratio, and split the wide screen from side to side to display two video signals from different sources at the same time. As a television receiver of the present invention, it has the advantage of being able to watch video signals reproduced from an external video reproducing apparatus such as a video cassette recorder or a compact player simultaneously with watching television.

If each separate video cassette recorder and CD (compact disk) system are electrically connected to each other via a double / wide television receiver and a cable, the video signals received from the double / wide television receiver and the video cassette recorder are reproduced. Watch the recorded video signal at the same time, record the recorded video signal at the same time while watching the received video signal, or watch the signal played back from the video cassette recorder while listening to the music while watching the background video signal of the CD system It can be inferred that various operations are possible, such as calling.

However, in order to record the video signal received from the double / wide television receiver through the video cassette recorder, first connect the external output terminal of the double / wide television receiver and the external input terminal of the video cassette recorder with a cable. It is necessary to operate the double / wide television receiver to select a channel for receiving a video signal to be recorded, and to operate the video cassette recorder to perform a recording mode. On the contrary, when a video signal reproduced from the video cassette recorder is to be viewed through the double / wide television receiver, first connect the external output terminal of the video cassette recorder to the external input terminal of the double / wide television receiver, or Connect the RF output terminal of the video cassette recorder to the antenna terminal of the double / wide television receiver, operate the video cassette recorder to operate in the playback mode, and operate the double / wide television receiver to receive an external video signal. Mode or select channel number 3/4.

In addition, when the picture screen of the CD-OK system is to be reproduced through the double / wide television receiver, the external output terminal of the CD-OK system and the external input terminal of the double / wide television receiver must be connected.

Since the external input and output terminals of the video devices are usually installed on the back of the body, in order to provide some electrical connection between them, it is necessary to lift them out of the place where they are installed or work into the back of the place where they are installed. This is not an easy task for the user, and even if some electrical connections are maintained between them, the desired results can not be expected unless the individual devices are properly manipulated as desired. As a result, the user will require some skill in manipulating each device to obtain the desired results.

In particular, in order to perform various operations by electrically connecting a double / wide television receiver and a video cassette recorder and a CD-OK system that can simultaneously process two video signals, a general television receiver, a video cassette recorder and a CD- More cables and more advanced operations are required than when interconnecting OK systems.

Therefore, the present invention was created to solve the above-mentioned problems.

By integrating the video cassette recorder and CD-OK system into a double / wide television receiver and storing them in a single body, not only does the installation space be optimized, but each device can be derived by connecting via cable. It is an object of the present invention to provide a double / wide television receiver with a video cassette recorder and a CD-OK system capable of simply operating and processing various complicated operations.

In order to achieve the above object, a video cassette recorder and a double / wide television receiver with a built-in CD-OK system according to the present invention demodulate a broadcast signal propagated from a broadcast station and provide at least two tuners, the tuners. A television signal receiver having at least two demodulators connected dependent to and demodulating an audio / video signal from a composite video signal generated from each tuner:

A video cassette recorder that plays back video signals of a video cassette recorder or records audio / video signals provided to it:

The CD-OK system unit provides a background image and sings or listens to music in accompaniment with the sound:

Selecting and switching a plurality of video / audio signals provided from the television signal receiver, video cassette recorder and CD-OK system to convert left and right picture video signals, left and right picture audio signals, fifth audio / video signals and sixth audio / video signals. Provided audio / video signal selector:

A video signal processing unit which inputs the left and right screen video signals output from the audio / video signal selection unit to double / wide processing and drives the processed video signal to a display device;

An audio signal processor which surrounds the left and right screen audio signals output from the audio / video signal selector and surrounds them, and provides the processed audio signal to left and right speakers;

A television receiver controller for controlling the television signal receiver, a video signal processor, and an audio signal processor; and

And a master control unit for controlling the television receiver control unit, the video cassette recorder unit, and the CD-OK unit in response to a control command introduced through a key input unit or a remote control unit.

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

1 is a block diagram showing a schematic configuration of a video cassette recorder and a built-in double / wide television receiver with a CD-OK system according to the present invention.

The apparatus shown in FIG. 1 includes an antenna 10, a television signal receiver 11, an audio / video signal selector 12, a video signal processor 13, a television receiver controller 14, a video cassette recorder ( 15), the CD-OK system unit 16, the master control unit 17, the CRT driving unit 18, the CRT 19, the audio signal processing unit 20, the left and right speakers 21 and 22 and the user's command operation unit 23 , 24).

In addition, the tele-signal receiver 11 generates an intermediate frequency processed video signal by injecting a broadcast signal modulated by a carrier wave introduced through the antenna 10. The first and second tuners 110 and 111 and the second signal are generated. And first and second demodulators 112 and 113 for inputting intermediate frequency processed video signals generated by the first and second tuners 110 and 111 to generate first and second audio / video signals.

Also, the video / audio selection unit will be described in detail with reference to FIG. 2.

In addition, the video signal processor 13 receives first and second comb filters 131 and 132 that respectively input left and right screen video signals and divide them into luminance and chroma signals, and output the first and second comb filters ( Double / wide processing unit 133 and the double / wide processing unit 133 for outputting the third luminance / chromatic signal by injecting the first luminance / chromatic signal and the second luminance / chromatic signal output from the 131 and 132 and performing double / wide processing. And a matrix unit 134 for converting the third luminance / chromatic signal outputted from the RX into an RGB signal.

In addition, the television receiver control unit 14 is a first microprocessor 141 for controlling the double / wide processor 133, the audio signal processor 20, and the first OSD 143 under the control of a third microprocessor. The first microprocessor includes a first ROM 142, a first OSD 143, and a selection switching OSD selector 144 that selects the first OSD 143 and the master OSD.

The video cassette recorder 15 generates a third audio / video signal and inputs it to the audio / video signal selector 12 for playback, or a fifth output from the audio / video signal selector 12. A video cassette recorder 151 for inputting and recording audio / video signals of a second microprocessor, a second microprocessor 152 for controlling the video cassette recorder 151 under the control of a third microprocessor, and a control at the second microprocessor It includes a second ROM (153) containing the program to be.

In addition, the CD-OK system unit 16 generates a fourth audio / video signal and inputs it to the audio / video signal selector 12, and outputs the sixth audio / video signal selector 12. A CD-OK 161 operating by injecting an audio / video signal, a fourth microprocessor 162 controlling the CD-OK under the control of a third microprocessor, and a control program controlled by the fourth microprocessor. The fourth room 163 is included.

In addition, the master controller 17 controls the audio / video selection unit 12, the master OSD 173, the video cassette recorder unit 15, and the CD-OK control operation received from the user's command operation units 23 and 24. A third microprocessor 171 instructing 16), a third ROM 172 and a master OSD 173 containing a control program to be controlled by the third microprocessor are included.

Next, the operation of the apparatus shown in FIG. 1 will be described in more detail.

The television signal receiver 11 demodulates a broadcast signal propagated from a broadcasting station introduced through the antenna 10 to output first and second audio / video signals, and the video cassette recorder 15 outputs the video cassette. The third audio / video signal reproduced by the recorder 15 is output to the audio / video selection unit 12, and the CD-OK unit 16 is generated by the CD-OK unit 16. A fourth audio / video signal is output and provided to the audio / video selector 12.

The audio / video signal selector 12 selectively combines a plurality of audio / video signals provided on the input side thereof and outputs them as left and right screen video signals, left and right screen audio signals, and fifth and sixth audio / video signals. do.

FIG. 2 is a block diagram showing a more specific configuration of the audio / video signal selector 12 shown in FIG. The apparatus shown in FIG. 2 includes a video signal selector 121 and an audio signal selector 122, and the video signal selector 121 receives first to fourth video signals or an external input signal. The combinations are selectively combined to output the left and right screen video signals, the fifth video signal, the sixth video signal, and the external output video signal. The pattern of the video signals output in this way is determined by the video control signal CONT1 output from the television receiver control unit 14 and provided to the double / wide processing unit.

In addition, the audio signal selector 122 receives first to fourth audio signals or an external input signal, and selectively combines them as left and right picture audio signals, fifth audio signals, sixth audio signals, and external output audio signals. Output The pattern of the audio signals output in this manner is determined by the audio control signal CONT2 output from the television receiver control unit 14 and provided to the audio signal processing unit.

Here, the external input / output audio / video signal allows an externally provided audio / video signal to be inputted or internally generated audio / video signal to be externally provided in order to provide device versatility. It can be done.

In addition, the video signal processor 13 may double / wide process the left and right screen video signals provided from the audio / video signal selector 12 and output them. In order to simultaneously display two video signals on one screen, it is necessary to match the horizontal and vertical scanning periods of the video signal coinciding with the horizontal scanning period of each video signal before combining. Here, it is assumed that the horizontal and vertical scanning periods of the two video signals to be combined are the same. However, special treatment is required when the horizontal and vertical scanning periods are different. This technology has been applied to NTSC / PAL, HD / NTSC converters and the like. The scanning period of the combined video signal is adjusted using a memory. To understand this, video signals are separated into luminance / color signals, digitally converted and written to memory. It is possible to determine the scanning period of the output image signal by promoting the read speed of the memory.

The double / wide processing unit 13 will be described in more detail.

Its apparatus includes first and second analog / digital converters, first and second frame memories, first and second write address generators, read address generators, and first and second digital / analog converters. And a left and right screen switching unit and a deflection unit.

Next, the operation of the double / wide processing unit will be described.

The first and second recording address generators respectively generate a recording address having a recording speed equal to the scanning speed of the left and right video signals, and generate a recording address included in the first and second analog / digital converters, The video signals digitally converted by the first and second analog / digital converters are written to the first and second frame memories, respectively. At this time, the recording speeds recorded in the frame memory are the same as the scanning speeds of the left and right screen video signals, respectively.

In addition, the read address generating unit generates a read address having a read speed corresponding to twice the scan speed of the left screen video signal. Therefore, the read speeds of the first and second frame memories correspond to twice the scanning speeds of the left and right screen video signals, respectively.

On the other hand, the horizontal scanning period of the image signal is divided into two parts of the first half and the second half, the first half reads the video signal recorded in the first frame memory, and the second half reads the video signal recorded in the second frame memory. Is read at twice the recorded speed, the two video signals are combined into one video signal and output.

The left and right screen switching unit inverts the left and right screens on the screen by changing the switching order of signals read out from the first and second frame memories.

In addition, the CRT driver 18 shown in FIG. 1 drives the RGB signal output from the video signal processor 13 to the CRT 19 to display an image signal.

In addition, the audio signal processor 20 processes the left and right screen audio signals provided by the audio / video signal selector 12 in surround, or selects and processes the left and right speakers 21 through a speaker / headphone. , 22). Here, the audio signal corresponding to the video signal on the left and right screens is output through the left and right speakers, or the audio signal corresponding to the video signal on the left screen is output to the left and right speakers, and the audio signal corresponding to the video signal on the right screen is output to the headphone output terminal. Selectable operation such as outputting is possible.

In addition, the television receiver control unit 14 controls the first and second tuners 110 and 111 and the video signal processing unit 13 in response to a command input by an operation of the key input unit 23 or the remote controller 24. . The television receiver control unit 14 also controls the tuning operation of the tuners 110 and 111 by generating the first and second tuner control signals T1 and T2. By specifying different broadcast channels by each tuner, two channels can be watched simultaneously.

On the other hand, the television receiver control unit 14 controls the video signal processor 13 by generating a double / wide control signal and a left and right inverted signal.

In addition, the first ROM 142 of the television receiver control unit 14 stores a program necessary for controlling the double / wide television receiver, and the first microprocessor 141 stores a program recorded in the first ROM 142. The control operation is performed by the control unit, and a text signal is generated through the first OSD 143 for ease of operation.

In addition, one of the OSD signal generated by the OSD switching unit 144 or the OSD signal generated by the master control unit 17 is selected and provided to the matrix unit 134. The matrix unit 134 is displayed on the CRT 19 through the CRT driver 18 in accordance with a signal in which an OSD signal and an RGB signal superimposed thereon are superimposed.

The master control unit 17 controls the television receiver control unit 14, the video cassette recorder unit 15, and the CD to perform a predetermined operation corresponding to the operation command input through the key input unit 23 or the remote control unit 24. Control the OK unit 16 and the audio / video signal selection unit 12;

In the third ROM 172 of the master controller 17, programs necessary for various types of control are stored. The third microprocessor 171 performs a control operation by a program recorded in the third ROM 172, and generates a text signal through the master OSD 173 for ease of operation.

In addition, the master controller 17 generates a selection signal for selecting an audio / video signal and controls the audio / video signal selector 12 to thereby control the video signal processor 13, the audio signal processor 20, and a video cassette. The recorder unit 15 and the CD-OK unit 16 are provided with a signal suitable for a predetermined operation.

The video cassette recorder of the present invention and the double / wide television receiver with a built-in CD-OK system have many input signals, and many of these input signals are output, so that the master OSD can be used for the user to appropriately select the input / output signals. Ease of operation is emphasized. Accordingly, a dedicated master OSD 173 is installed in the master controller 17 to meet the enhanced ease of operation.

As described above, in the present invention, a video cassette recorder and a CD-OK system are incorporated in a double / wide television receiver, and an A / V system capable of controlling the overall control is provided to satisfy various needs of users, thereby adding value of the product. It has an effect that can be improved.

In addition, by embedding a video cassette recorder and a CD-OK system in a double / wide television receiver, it is possible to alleviate the inconvenience of connection and skill required in operation as each device is installed separately.

In addition, it is possible to optimize the space utilization by avoiding the excessive installation space due to the existence of each device separately.

Claims (1)

A double / wide television receiver having a video cassette recorder and a CD-OK system, comprising: at least two tuners for demodulating a broadcast signal propagated by a broadcasting station to provide a composite video signal, and being connected to the tuners in a dependent manner; A television signal receiver having at least two demodulators for demodulating from a bobbin video signal generated from each tuner into an audio / video signal: a video cassette for reproducing a video signal of a video cassette or recording an audio / video signal provided thereto Recorder: CD-OK system unit for providing a background image and singing or listening to music in accompaniment of sound: a plurality of videos / provided from the TV mutual receiver, video cassette recorder unit and CD-OK system unit. Left and right picture video signal, left and right picture audio scene And an audio / video signal selector provided as a fifth audio / video signal and a sixth audio / video signal: the left and right screen video signals output from the audio / video signal selector are processed as double / wide and processed A video signal processor for providing a video signal to a driver for driving a display device, the left and right screen audio signals output from the audio / video signal selector are processed in surround, and the audio signals are provided to the left and right speakers. Processing unit: a television receiver controlling the television signal receiving unit, the video signal processing unit, and the audio signal processing unit; and the television receiver control unit, the video cassette recorder unit, and the CD-OK in response to a control command introduced through a key input unit or a remote control unit. Including a master control unit for controlling the unit A double / wide television set with a video cassette recorder and a CD-OK system.