KR970019555A - TV / VCR automatic switching device and method - Google Patents

TV / VCR automatic switching device and method Download PDF

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Publication number
KR970019555A
KR970019555A KR1019950032601A KR19950032601A KR970019555A KR 970019555 A KR970019555 A KR 970019555A KR 1019950032601 A KR1019950032601 A KR 1019950032601A KR 19950032601 A KR19950032601 A KR 19950032601A KR 970019555 A KR970019555 A KR 970019555A
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KR
South Korea
Prior art keywords
signal
unit
vcr
channel
input
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KR1019950032601A
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Korean (ko)
Inventor
김규종
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배순훈
대우전자주식회사
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Priority to KR1019950032601A priority Critical patent/KR970019555A/en
Publication of KR970019555A publication Critical patent/KR970019555A/en

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Abstract

본 발명은 TV/VCR절환장치에 관한 것으로서, 특히 텔레비전에 VCR의 채널을 검출할 수 있는 채널 디택터부 및 라인 디택터부를 별도 설치하여 TV의 외부입력상태를 자동으로 감지하여 사용자가 별도의 키를 조작하지 않고도 TV 또는 VCR의 프로그램을 최적으로 시청할 수 있는 TV/VCR 자동 절환장치 및 방법에 관한 것이다.The present invention relates to a TV / VCR switching device, and in particular, by separately installing a channel detecter unit and a line detecter unit capable of detecting a channel of a VCR on a television, and automatically detecting an external input state of a TV so that a user can A TV / VCR automatic switching device and method capable of optimally watching a program of a TV or a VCR without manipulating it.

본 발명은 모듈레이터, 튜너/IF부, A/V입력선택부, A/V회로부, 표시부로 구성된 TV/VCR의 절환장치에 있어서, 모듈레이터(10)로부터 전달되는 FR신호를 전달받아 채널 A의 신호를 검출하는 채널 A디택터부(21)와, 모듈레이터(10)로부터 절달되는 RF신호를 전달받아 채널 B의 신호를 검출하는 채널 B디택터부(22)와, VCR로부터 전달되는 A/V신호의 입력을 검출하여 A/V신호를 A.V입력선택부(40)로 전달하고 비디오신호를 라인디택터부(24)로 출력하는 라인입력회로부(23)와, 라인입력회로부(23)로부터 출력신호를 전달받아 비디오신호를 검출하여 마이콤(30)에 전달하는 라인 디택터부(24)와, 상기 각부의 동작을 프로그램에 의하여 동작되게 제어하는 마이콤(30)을 포함하는 것으로서 자동으로 TV/VCR모드를 절환되게 하는 기술이다.The present invention is a TV / VCR switching device consisting of a modulator, a tuner / IF unit, an A / V input selection unit, an A / V circuit unit, a display unit, receiving the FR signal transmitted from the modulator 10, the signal of the channel A The channel A deflector unit 21 which detects a signal, the channel B destructor unit 22 which receives the RF signal delivered from the modulator 10 and detects the signal of the channel B, and the A / V signal transmitted from the VCR. Detects and transmits the A / V signal to the AV input selector 40 and receives the output signal from the line input circuit unit 23 and the line input circuit unit 23 for outputting a video signal to the line detector unit 24. A line detecter unit 24 which detects and transmits a video signal to the microcomputer 30, and a microcomputer 30 which controls the operation of each unit by a program to automatically switch the TV / VCR mode. Technology.

Description

TV/VCR 자동 절환장치 및 방법TV / VCR automatic switching device and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 TV/VCR자동절환장치의 구성을 개략적으로 도시한 도면.2 is a diagram schematically showing the configuration of a TV / VCR automatic switching device according to the present invention.

제3도는 본 발명에 따른 TV/VCR자동절환장치의 동작 흐름도.3 is an operation flowchart of the TV / VCR automatic switching device according to the present invention.

Claims (3)

모듈레이터, 튜너/IF부, A/V입력선택부, A/V회로부, 표시부로 구성된 TV/VCR의 절환장치에 있어서, 모듈레이터(10)로부터 전달되는 FR신호를 전달받아 채널 A의 신호를 검출하여 마이콤에 출력하는 채널 A디택터부(21)와, 모듈레이터(10)로부터 전달되는 RF신호를 전달받아 채널 B의 신호를 검출하여 마이콤에 출력하는 채널 B디택터부(22)와, VCR로부터 전달되는 A/V신호의 입력을 검출하여 A/V신호를 A/V입력선택부(40)로 전달하고 비디오신호를 라인디택터부(24)로 출력하는 라인입력회로부(23)와, 라인입력회로부(23)로부터 출력신호를 전달받아 비디오신호를 검출하여 마이콤(30)에 전달하는 라인 디택터부(24)와, 상기 각부의 동작을 프로그램에 의하여 동작되게 제어하는 마이콤(30)을 포함하는 것을 특징으로 하는 TV/VCR절환장치.In a TV / VCR switching device comprising a modulator, a tuner / IF unit, an A / V input selector, an A / V circuit unit, and a display unit, a FR signal transmitted from the modulator 10 is received to detect a channel A signal. The channel A deflector unit 21 for outputting to the microcomputer, the channel B deflector unit 22 for receiving the RF signal transmitted from the modulator 10 and detecting the signal of the channel B and outputting the signal to the microcomputer, and A transmitted from the VCR. A line input circuit section 23 that detects the input of the / V signal and transmits the A / V signal to the A / V input selector 40 and outputs a video signal to the line detector section 24, and the line input circuit section 23. A line detecter unit 24 for receiving an output signal from the control unit and detecting a video signal and transmitting the detected video signal to the microcomputer 30, and a microcomputer 30 for controlling the operation of each unit to be operated by a program. TV / VCR switch. TV/VCR의 절환방법에 있어서, 사용자에게 의해 매뉴얼키가 온/오프 되었는지를 판단하는 제1단계와, 상기 제1단계에서 매뉴얼키가 온되지 않으면 라인디택터부(24)를 통하여 비디오 신호가 있는지 판단하여 비디오 신호가 있으면 A/V입력선택부(40)를 라인모드로 절환하는 제2단계와, 상기 제2단계에서 라인입력신호가 없으면 채널 A디택터부(21)를 통하여 A채널의 입력신호가 있으면 A/V입력선택부(40)를 A채널모드로 절환하는 제3단계와, 상기 제3단계에서 A채널의 입력신호가 없으면 채널B디택터부를 통하여 B채널의 입력신호가 있으면 A/V입력선택부(40)를 B채널모드로 절환하는 제4단계와, 상기 제1내지 4단계에 따른 출력신호를 A/V입력선택부(40)로부터 전달받아 복합영상신호(SYNC)가 있는지 판단하여 복합영상신호가 없으면 단계(101)로 전달되어 피드배가고, 복합영상신호가 있으면 표시부의 화면에 디스플레이하는 제5단계로 이루어지는 것을 특징으로 하는 TV/VCR자동절환방법.In the method of switching a TV / VCR, a first step of determining whether the manual key is turned on or off by the user, and if the manual key is not turned on in the first step, is there a video signal through the line selector unit 24? A second step of switching the A / V input selector 40 to the line mode if it is determined that the video signal exists; and an input signal of the A channel through the channel A selector unit 21 if there is no line input signal in the second step. The third step of switching the A / V input selector 40 to the A channel mode if there is, and if there is no input signal of the A channel in the third step, if there is an input signal of the B channel through the channel B The fourth step of switching the V input selector 40 to the B channel mode, and whether the composite video signal SYNC is received from the A / V input selector 40 by receiving the output signals according to the first to fourth steps. If it is determined that there is no composite video signal, it is passed to step 101 to feed double, If the sum image signal TV / VCR automatically switching method which comprises a fifth step of displaying on the display screen. 제2항에 있어서, 상기 제1단계에서 매뉴얼키가 온되면 매뉴얼모드로 절환되어 사용자에 의한 TV모드인지 VCR모드인지 판단하는 제6단계와, 상기 제6단계에서 TV모드이면 A/V입력선택부를 TV모드로 절환하여 방송신호의 A/V신호를 출력하는 제7단계와, 상기 제6단계에서 VCR모드이면 A/V입력선택부를 VCR모드로 절환하여 VCR신호의 A/V신호를 출력하는 제8단계로 이루어지는 것을 특징으로 하는 TV/VCR자동절환방법.The method of claim 2, wherein if the manual key is turned on in the first step, the user enters the manual mode to determine whether the user is in a TV mode or a VCR mode. A seventh step of outputting the A / V signal of the broadcast signal by switching the unit to the TV mode; and outputting the A / V signal of the VCR signal by switching the A / V input selector to the VCR mode in the VCR mode in the sixth step. TV / VCR automatic switching method comprising the eighth step. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950032601A 1995-09-29 1995-09-29 TV / VCR automatic switching device and method KR970019555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950032601A KR970019555A (en) 1995-09-29 1995-09-29 TV / VCR automatic switching device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950032601A KR970019555A (en) 1995-09-29 1995-09-29 TV / VCR automatic switching device and method

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KR970019555A true KR970019555A (en) 1997-04-30

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KR1019950032601A KR970019555A (en) 1995-09-29 1995-09-29 TV / VCR automatic switching device and method

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