KR19990013082A - JRC with broadcasting system conversion function - Google Patents

Abstract

The present disclosure relates to a VCR capable of receiving, converting, recording, and playing video signals of various broadcasting methods. The present invention receives broadcast signals of all broadcast methods in the world, converts them into video signals of desired broadcast methods, records and plays them, and displays a blue screen and an on-screen display corresponding to each broadcast method. ; OSD) function.

Therefore, the present invention can receive broadcast signals of all broadcast methods anywhere in the world, convert the video signals to the broadcast method desired by the user, record and output them, and reproduce all regardless of the broadcast method at the time of recording. It can be effective.

Description

JRC with broadcasting system conversion function

The present invention relates to a VCR capable of receiving and converting video signals of various broadcasting methods. More particularly, the present invention relates to receiving and converting broadcast signals of all broadcasting methods from all over the world, converting them into video signals of desired broadcasting methods, and recording or outputting them. A VCR capable of outputting and reproducing a medium recorded with video signals of all broadcasting methods and providing a blue screen and an on screen display (OSD) function corresponding to each broadcasting method. will be.

In general, NTSC type VCRs, PAL type VCRs, and SECAM type VCRs cannot receive broadcast signals of different types and cannot record and reproduce video signals of other broadcast types. However, in recent years, video devices that can cope with different broadcasting systems around the world are gradually being widely used. In the conventional multicasting VCR, only the video signal input through the external input terminal converts the video signal of various broadcasting methods into the video signal of a specific broadcasting method, and can record and play it, but receives the broadcasting signal of various broadcasting methods. It was not possible to convert and record to any desired broadcasting method or to reproduce all video signals recorded by any broadcasting method.

As described above, the conventional VCR has a problem in that it is impossible to receive broadcast signals of all broadcast methods, convert them to a desired broadcast method, record them, and reproduce all video signals recorded by any broadcast method.

Accordingly, an object of the present invention is to receive broadcast signals of all broadcast methods all over the world, convert them to any broadcast method desired by the user, and record or output them to the outside, and video signals recorded by any broadcast method The present invention provides a VCR having a broadcasting method conversion function capable of reproducing all of them.

1 is a block diagram of a VCR with a broadcasting method conversion function according to the present invention.

Explanation of symbols for main parts of the drawings

11: receiver 12: input signal selector

13 synchronization signal discrimination unit 14 image signal conversion unit

15: control unit 16: recording / playback unit

17: key input section 18: output signal selection section

19: character signal synthesis unit

A VCR having a broadcasting method converting function of the present invention for achieving the above object includes a key input unit for applying a video signal to be input and data for setting a broadcasting method to be converted to a control unit. In addition, the present invention is a control unit for controlling the overall operation of each VCR configuration by receiving data from the video signal conversion unit, the recording / playback unit, and the key input unit, the control unit of the plurality of broadcast signals received And a video signal receiving section for tuning and demodulating and broadcasting one broadcast signal based on the control signal, and for preferentially outputting a playback signal input from the recording / reproducing section. The present invention receives the video signal outputted from the video signal receiver, converts it into a predetermined broadcast method based on the control signal of the controller, receives the video signal from the video signal converter and the video signal converter, and outputs it to the outside. And a recording / reproducing section for reproducing the video signal recorded by any broadcasting method.

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

1 is a block diagram of a VCR having a broadcast mode conversion function according to the present invention. As shown, the present invention includes a receiver 11 for receiving broadcast signals of all broadcast methods and outputting them to the input signal selector 12. The input signal selecting unit 12 is connected to the receiving unit 11 and the recording / reproducing unit 16 to control an image signal selected by a user from among the recording / reproducing unit 16, the receiving unit 11, and an external signal. In accordance with the control signal of 15), the signal is output to the video signal converter 14, the synchronization signal discrimination unit 13, and the output signal selection unit 18. The synchronizing signal discriminating unit 13 outputs a result of discriminating and determining the presence or absence of a synchronizing signal of the input video signal to the control unit 15. The control unit 15 is connected to each component of the VCR to control the overall operation of each component. The key input unit 17 is connected to the control unit 15 to apply the data set by the user to key input to the control unit 15. The video signal converter 14 is connected to the output signal selector 18 and the recording / reproducing section 16 to user the video signal input from the input signal selector 12 according to the control signal of the controller 15. Is converted into a video signal of the selected broadcast method and output to the output signal selection unit 18 and the recording / reproducing section 16. The recording / reproducing section 16 is connected to the input signal selecting section 12 to record the video signal input from the video signal converting section 14 on the tape according to the control signal of the control section 15, and reproduces the video signal during playback. Is output to the input signal selector 12. The output signal selector 18 is connected to the input signal selector 12, the image signal converter 14, and the character signal synthesizer 19 to input the signal selector 12 and the image signal converter 14. The signal selected by the user is output from the video signal input from the character signal synthesizing unit 19. The character signal synthesizing unit 19 synthesizes the character signal with the video signal input from the output signal selecting unit 18 and outputs it to the outside.

In FIG. 1, the key input unit 17 applies data set by a user, such as channel selection, input signal selection, a broadcasting method to be converted, and output signal selection, to the controller 15. The controller 15 controls the overall operation of each VCR configuration based on the data applied from the key input unit 17. The receiving unit 11 outputs all of the received broadcast signals to the input signal selecting unit 12. The input signal selector 12 selects a signal selected by the user from a video signal input from the outside, a tape reproducing signal input from the recording / reproducing section 16, and a broadcast signal input from the receiving section 11. The video signal is output to the video signal converter 14 and the synchronization signal discriminator 13 based on the control signal. The synchronizing signal discriminating unit 13 determines the presence or absence of a synchronizing signal of the video signal input from the input signal selecting unit 12, and outputs the determination result to the control unit 15. The control unit 15 from the synchronizing signal discriminating unit 13 If there is no synchronization signal based on the input result of determination, the image signal converter 14 generates a blue screen video signal corresponding to the broadcasting method of the output signal selected by the user. Control the operation. In this case, the video signal converter 14 does not generate a blue screen video signal even if there is no synchronization signal for the video signal input from the recording / reproducing section 16. The video signal converter 14 determines a broadcast method of the video signal when the video signal input from the input signal selector 12 is a broadcast signal or an external input signal based on the control signal of the controller 15. The determination result is output to the control unit 15. In addition, the video signal converter 14 converts the video signal input from the input signal selector 12 into a broadcast method selected by the user based on the control signal of the controller 15, and outputs the output signal selector 18 and It outputs to the recording / reproducing section 16. The recording / reproducing unit 16 records the video signal input from the video signal converting unit 14 on the tape based on the control signal of the control unit 15, or determines the broadcasting method after reproducing the video signal recorded on the tape. The result of the determination and the reproduced video signal are output to the input signal selector 12. The output signal selector 18 selects an image signal selected by the user from among the unconverted video signal input from the input signal selector 12 and the converted video signal input from the video signal converter 14. 19) The character signal synthesizing unit 19 synthesizes a character signal corresponding to the broadcasting method of the video signal input from the output signal selecting unit 18 with the video signal and outputs it to the monitor or the outside.

As described above, the present invention can receive broadcast signals of all broadcast methods all over the world, convert them to any broadcast method desired by the user, and record or output them, and even tapes recorded by any broadcast method. It plays all and converts to the desired broadcasting method and provides the effect that can be displayed and output.

Claims (7)

In the VCR, A key input unit for applying data, which sets a broadcasting method to be converted, to the control unit; A control unit which receives data from the image signal conversion unit, the recording / reproducing unit, and the key input unit to control overall operations of each VCR configuration; Among a plurality of broadcast signals received from each other, a single broadcast signal based on a control signal of the controller is output by tuning and demodulating, and during playback, a video that preferentially outputs a playback signal input from a recording / reproducing section. Signal receiver; A video signal converter which receives a video signal output from the video signal receiver and converts the video signal into a predetermined broadcasting method based on a control signal of the controller and outputs the signal to the outside; And And a recording / reproducing section for receiving and recording the video signal from the video signal converting section and reproducing the video signal recorded by any broadcasting method. The broadcasting method converting function according to claim 1, further comprising an output signal selection unit for receiving a video signal from the video signal receiving unit and the video signal converting unit, respectively, and outputting a desired video signal to the outside. Equipped VCR. The VCR according to claim 1, wherein the video signal converter determines a broadcast method of a video signal received from the video signal receiver and outputs the determination result to the controller. The VCR according to claim 3, wherein the recording / reproducing unit determines a broadcasting method of a reproduction signal and outputs the determination result to the controller. According to claim 4, Based on the control signal of the control unit, the video signal receiving unit outputs the data signal related to the operation mode of the VCR, such as the broadcast method, the broadcast method to be converted, such as a video signal to the desired broadcast method And a character signal synthesizing unit for synthesizing the video signal to be output to the outside. The broadcast method conversion function according to claim 1, further comprising a synchronization signal discrimination unit for determining the presence or absence of a synchronization signal to receive a video signal from the video signal receiver and determine a non-signal state of the video signal. One VCR. The apparatus of claim 6, wherein the controller controls the video signal converter to generate a blue screen video signal suitable for a desired broadcast method when the synchronization signal is received and the synchronization result is not present. VCR with broadcast system conversion function.