KR0147656B1 - Operating method and apparatus of last memory at double/wide tv with vcr and cd-player - Google Patents

Abstract

The present invention relates to a method of operating a last memory (LAST MEMEORY) of a double / wide television receiver having a video cassette recorder and a CD-OK system, and an apparatus thereof, and the method of operating the optical pickup of the CD-OK-player. Moving to a start point of a song currently being played and providing a first signal such that a selected broadcast signal is displayed on a screen output from the CD-OK player; And blocking the broadcast signal displayed on one screen of the television receiver by providing the first signal, and displaying a signal reproduced from the start point of the song to which the optical pickup has been moved on the screen of the television receiver. Providing a second input signal.

Therefore, as described above, the broadcast signal introduced when searching for the other broadcast signal of the double deck type double / wide television receiver of the present invention may be replayed from the beginning of the song that was being played back when it was returned to its original state. It provides the effect of simplicity of operation so that convenient functions can be used universally.

Description

Method and apparatus for operating last memory in double / wide television receiver with built-in video cassette recorder and CD-player

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

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

3 is an example of practicing the present invention.

The present invention relates to a double / wide television receiver, and more particularly, when a playback signal is displayed on two screens of a video receiver recorder and a double / wide television receiver incorporating a CD-OK system. Last memory operation method and apparatus for storing the first part of the song so that the screen of the CD-OK system and the screen of the broadcast signal are mutually selected to be reproduced from the beginning of the song just before switching It is about.

First of all, a double / wide television receiver can display a video signal on a wide screen having an aspect ratio of 16: 9, and simultaneously split two wide screens from side to side to display two video signals from different input sources. A television receiver having a left and right screen display system, which has an advantage of being able to watch a video signal reproduced from an external video reproducing apparatus such as a video cassette recorder or a compact disc player simultaneously with watching TV.

In a double / wide television receiver with a built-in video cassette recorder and a CD-OK system, the video cassette recorder can be viewed simultaneously with the received video signal and the video signal reproduced by the video cassette recorder. Record or record a video cassette recorder, watch a signal played back from the video cassette recorder, and simultaneously listen to music or sing a song while watching a background video signal of the CD-OK system, It can be assumed that various convenient functions and various operations can be performed.

However, while playing a signal of a video cassette recorder on one screen and playing a CD-OK signal on the other screen via the double / wide television receiver, the CD-OK signal is being reproduced for a while. In order to switch the broadcast signal having the channel to be displayed or to return to the previous CD-OK signal from the screen on which the broadcast signal is displayed, various operations must be performed. In addition, while displaying the broadcast signal, the CD-OK signal will continue to be output and the sound portion that was listening when the CD-OK signal was returned again will pass. Then, the user has a cumbersome problem of requiring a command or an operation to return the CD-OK signal back to its original state. Even if you add a product with such a good function, you can see many examples of uselessness if the process or method of using it is difficult.

Accordingly, the present invention was created to solve the above-described problems, and when using the PIP as in the prior art, when searching for another broadcast signal while both screens of the double / wide television receiver are being displayed, there may be a method using the PIP. The present invention provides a method for switching and selecting the entire screen, and when the CD-OK player is switched back to the broadcast signal, when the CD-OK player is switched to the broadcast signal, the CD-OK player was played. Its purpose is to provide ease of operation that can be easily switched by pressing a separate last memory key so that it can be played back from the start of the audio / video signal.

A method of operating the last memory of a double / wide type television receiver having a video cassette recorder and a CD player for achieving the present invention,

Moving the optical pickup of the CD-OK player to a start point of a song currently being played, and providing a first signal such that a selected broadcast signal is displayed on a screen output from the CD-OK player; And

Providing a first signal to block a broadcast signal displayed on one screen of the television receiver, and display a signal reproduced from the beginning of a song to which the optical pickup is moved on the screen of the television receiver. And providing a second input signal.

In addition, in the apparatus for operating the last memory (LAST MEMORY) of a double / wide type television receiver having a video cassette recorder and a CD-OK-OK unit for achieving the present invention,

A command input unit configured to output first and second signals to at least one toggle switch;

A selection unit which inputs a first signal from the command input unit, selects a desired broadcast signal among the received broadcast signals, or inputs a second signal to select a playback signal of a CD-OK player;

A CD-OK memory for inputting a first signal from the command input unit and storing a first portion of a song currently being played; And

And a microprocessor for inputting a second signal from the command input unit to control playback of the stored song from the optical pickup moved to the beginning of the tune signal stored in the CD-OK memory.

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

1 is a block diagram showing a schematic configuration of a video cassette recorder and a double / wide television receiver with a built-in 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 control unit 14, a video cassette recorder unit ( 15), CD-OK player unit 16, master control unit 17, CRT driving unit 18, CRT 19, audio signal processing unit 20, left and right speakers 21 and 22 and command operation units 23 and 24 It is composed of

In addition, the television signal receiver 11 receives first and second tuners 110 and 111 for generating a video signal processed at an intermediate frequency by receiving a broadcast signal modulated by a carrier wave introduced through the antenna 10, and the first and second tuners 110 and 111. And first and second demodulators 112 and 113 for inputting an intermediate frequency processed video signal generated by the second tuners 110 and 111 to generate first and second audio / video signals.

In addition, the audio / video selection unit 13 will be described in detail with reference to FIG.

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

In addition, the television receiver control unit 14 is controlled by the third microprocessor 171 and includes a first ROM including a double / wide process 133 and a control program controlled by the audio processor 20 and the first OSD 143. 142, a first OSD 143, and a selection switching OSD selector 144 for selecting 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 an audio / video signal of the second video processor, and a second microprocessor 152 controlling the video cassette recorder 151 under the control of the third microprocessor 171; And a second ROM 153 containing a program controlled by the second microprocessor 152.

In addition, the CD-OK system 16 generates a fourth audio / video signal, inputs it to the audio / video signal selector 12, and outputs a sixth audio / video signal selector 12. A CD-OK 161 operating by introducing an audio / video signal; a fourth microprocessor 162 controlling the CD-OK 161 under the control of the third microprocessor 171; and the fourth The control program controlled by the microprocessor 162 includes a fourth ROM 163.

In addition, the master controller 17 controls the audio / video signal selection unit 12, the master OSD 173, the video cassette recorder unit 15 and the CD- input control operations input from the command operation units 23 and 24. A third microprocessor 171 indicating an OK 16, a third ROM 172 and a master OSD 173 in which a control program controlled by the third microprocessor 171 is stored.

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

The television signal receiver 11 demodulates the broadcast signal introduced through the antenna 10 to output the first and second audio / video signals, and the video cassette recorder 15 is the video cassette recorder 15. The third audio / video signal reproduced at the output is output to the audio / video signal selector 12.

The audio / video signal selector 12 selectively combines a plurality of audio / video signals provided on its input side and outputs the left and right screen video signals, the left and right screen audio signals, and the 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. These are selectively combined and output as left and right picture video signals, fifth video signals, sixth video signals and external output video signals. The pattern of the video signals output as described above is determined by the video control signal CONT1 output from the television receiver control unit 14 and provided to the double / wide processing unit 133.

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 screen audio signals, fifth audio signals, sixth audio signals, and external output audio signals. Output The pattern of the audio signals output as described above is determined by the audio control signal CONT2 provided to the audio signal processor 20 output from the television receiver controller 14.

Here, the input / output audio / video signal from the outside is to introduce the audio / video signal provided to the built-in double wide television receiver from the external device of the built-in double wide television receiver of the present invention in order to provide versatility between devices. Or an audio / video signal generated inside the double wide television receiver of the present invention to an external device.

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, the horizontal and vertical scanning periods of the respective video signals before combining and the horizontal and vertical scanning periods of the combined video signals must be matched.

The scanning period of the combined video signal is adjusted using a memory. For this purpose, the video signal is separated into a luminance / chromatic signal, converted into a digital signal, and recorded in a memory. By adjusting the read speed of the memory, the scanning period of the output image signal can be determined.

Next, the double / wide process 133 will be described in more detail.

The apparatus of the double / wide processor 133 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 controllers. 2, digital / analog converter, left and right screen switching unit and deflection unit.

Next, the operation of the double / wide process 133 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 screen video signals, and the video signals digitally converted by the first and second analog / digital converters are The data is written to the first and second frame memories. 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 generator generates a read address having a read speed corresponding to twice the scanning 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 the signals read out from the first and second frame memories.

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

The television receiver control unit 14 controls the 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 records a program recorded in the first ROM 142. The control operation is performed, and a text signal for the operation unit is generated through the first OSD 143.

In addition, the OSD switching unit 144 selects one of the OSD signal generated from the first OSD (143) or the OSD signal generated from the master control unit 17 to provide to the CRT driver 18. The CRT driver 18 drives the CRT 19 according to a signal in which an OSD signal and an RGB signal provided thereon are superimposed.

The master control unit 17 is the television receiver control unit 14 and the video cassette recorder unit 15 so as to perform a predetermined operation corresponding to an operation command input through the key input unit 23 or the remote control unit 24. The CD-OK unit 16 and the audio / video signal selection unit 12 are controlled.

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 for the operation unit through the master OSD 173.

In addition, the master control unit 174 generates a selection signal to select an audio / video signal to control the audio / video signal selection unit 12, the video signal processing unit 13, the audio signal processing unit 20, and a video cassette. The recorder unit 15 and the CD-OK 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 signals are output, so that the user can properly select the input / output signals through the master OSD. The user's interface is highlighted. Accordingly, a dedicated master OSD 173 is installed in the master controller 17 to meet the enhanced user interface.

3 is a flow chart for practicing the present invention.

Turn on the power of the television set (Step 30).

Play the video cassette recorder and CD-OK player, respectively (step 32).

The video cassette recorder's signal is played on the left screen, and the CD-OK player's signal is played on the right screen (step 34).

It is determined whether the last memory input signal is selected (step 36).

If the last memory is selected, the pickup is moved to the beginning of the song being played (step 38), and the broadcast signal is selected (step 40) and displayed on the right screen (step 42).

If the signal is input to the last memory during the steps 40 and 42 (step 44), the broadcast signal currently being played on the right screen is cut off (step 46).

In relation to the operation performed in step 38, playback starts again from the beginning of the playback song.

The CD-OK signal is reproduced on the right screen (step 50).

As described above, when the double deck type double / wide television receiver of the present invention wants to search for a broadcast signal while playing the left and right screens, it checks the incoming broadcast signal and plays back when it is returned to its original state. By providing a simple selection method to the user so that it can be played back from the beginning of the song that was being played, the effect of simplicity of operation is provided so that the user can use a convenient function universally.

Claims (2)

A method of operating a last memory of a double / wide television receiver having a video cassette recorder and a CD player, comprising: a broadcast for moving and selecting an optical pickup of the CD-OK player to a starting point of a song currently being played; Providing a first signal such that the signal is displayed on a screen which has been output from the CD-OK-player; And blocking the broadcast signal displayed on one screen of the television receiver by providing the first signal, and displaying a signal reproduced from the start point of the song to which the optical pickup has been moved on the screen of the television receiver. Providing a second input signal. A device for operating a last memory of a double / wide television receiver having a video cassette recorder and a CD-OK-OK unit, the command input unit outputting first and second signals with at least one toggle switch ; A selection unit for inputting a first signal from the command input unit to select a desired broadcast signal among the received broadcast signals, or for inputting a second signal to select a playback signal of a CD-OK player; A CD-OK memory unit for inputting a first signal from the command input unit and storing a first portion of a song currently being played; And a microprocessor for inputting a second signal from the command input unit and controlling to reproduce the stored song from the optical pickup moved to the beginning of the tune signal stored in the CD-OK memory. Operating device.