KR970050920A - How to search the recording position of the video cassette recorder - Google Patents

How to search the recording position of the video cassette recorder Download PDF

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Publication number
KR970050920A
KR970050920A KR1019950050359A KR19950050359A KR970050920A KR 970050920 A KR970050920 A KR 970050920A KR 1019950050359 A KR1019950050359 A KR 1019950050359A KR 19950050359 A KR19950050359 A KR 19950050359A KR 970050920 A KR970050920 A KR 970050920A
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South Korea
Prior art keywords
recording
tape
signal
cassette recorder
predetermined time
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KR1019950050359A
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Korean (ko)
Inventor
안성익
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배순훈
대우전자 주식회사
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Priority to KR1019950050359A priority Critical patent/KR970050920A/en
Publication of KR970050920A publication Critical patent/KR970050920A/en

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Abstract

본 발명은 비디오 카세트 레코더의 녹화위치 서치방법에 관한 것으로서, 특히 테이프에 영상신호를 녹화시 이전에 기록이 종료된 부분을 정확히 포착하여, 그 시점부터 녹화가 이루어지도록 함으로서, 녹화수행시 이전에 기록된 데이타를 소거하거나 영상이 기록되지 않는 결락부분을 없애도록 한 비디오 카세트 레코더의 녹화위치 서치방법에 관한 것이다.The present invention relates to a recording position search method of a video cassette recorder. In particular, when recording a video signal on a tape, the previous recording is accurately captured and the recording is performed from that point, so that the recording is performed before the recording. The present invention relates to a recording position search method of a video cassette recorder for erasing missing data or eliminating missing portions where an image is not recorded.

이를 위하여 마이컴의 제어에 의해 영상신호를 기록 및 재생하는 VCR의 제어방법에 있어서, 녹화중인 상태에서 녹화정지버튼이 입력될 경우 테이프의 콘트롤트랙에 비스신호를 기록한 다음 테이프의 로딩 상태를 해제시키는 제1과정과, 상기 제1과정 후 녹화버튼이 재차 입력될 경우 테이프를 데크내에 로딩시키는 제2과정, 제2과정완료 후 테이프를 소정 거리만큼 플레이속도로 정.역회전하여 테이프의 콘트롤트랙에 기록된 비스신호를 찾는 제3과정, 상기 제3과정 수행시 콘트롤트랙에 실린 비스신호가 검출될 경우 그 시점부터 녹화를 실행하는 제4과정으로 이루어진다.A control method of a VCR for recording and reproducing a video signal under the control of a microcomputer, comprising the steps of: recording a bis signal on a control track of a tape and then releasing the tape when a recording stop button is input in a recording state. After the first process and the recording button is input again after the first process, the second process of loading the tape into the deck, and after the second process is completed, the tape is rotated forward and backward at a play speed by a predetermined distance and recorded on the control track of the tape. A third process of searching for a predetermined vis signal, and a fourth process of performing recording from that point in time when the vis signal on the control track is detected when the third process is performed.

Description

비디오 카세트 레코더의 녹화위치 서치방법How to search the recording position of the video cassette recorder

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

제4도는 본 발명에 따른 비디오 카세트 레코더의 녹화위치 서치방법를 도시한 동작흐름도,4 is an operation flowchart showing a recording position search method of a video cassette recorder according to the present invention;

제6도는 본 발명에 따른 비스(Viss)신호의 기록상태도.6 is a state diagram of recording a Bis signal according to the present invention.

Claims (3)

마이컴의 제어에 의해 영상신호를 기록 및 재생하는 비디오 카세트 레코더의 제어방법에 있어서, 녹화중인 상태에서 녹화정지버튼이 입력될 경우 테이프의 콘트롤트랙에 비스신호를 기록한 다음 테이프의 로딩 상태를 해제시키는 제1과정(L1)과, 상기 제1과정(L1) 후 녹화버튼이 재차 입력될 경우 테이프를 데크내에 로딩시키는 제2과정(L2), 제2과정(L2)완료 후 테이프를 소정 거리만큼 플레이속도로 정.역회전하여 테이프의 콘트롤트랙에 기록된 비스신호를 찾는 제3과정(L3), 상기 제3과정(L3) 수행시 콘트롤트랙에 실린 비스신호가 검출될 경우 그 시점부터 녹화를 실행하는 제4과정(L4)으로 이루어진 것을 특징으로 하는 비디오 카세트 레코더의 녹화위치 서치방법.A control method of a video cassette recorder for recording and reproducing a video signal under the control of a microcomputer, the method comprising: recording a bis signal on a control track of a tape when the recording stop button is input in a recording state, and then releasing the tape loading state. When the recording button is input again after the first step (L1) and the first step (L1), the play speed of the tape by a predetermined distance after the completion of the second step (L2) and the second step (L2) of loading the tape into the deck When the vis signal on the control track is detected during the third process (L3) and the third process (L3), the recording process is started from that point. A recording position search method of a video cassette recorder, characterized in that the fourth process (L4). 제1항에 있어서, 상기 제1과정(L1)은, 녹화정지버튼이 입력될 경우 현재 모드가 녹화상태인지를 판단하는 단계(S1,S2), 상기 단계에서 현재 모드가 녹화상태가 아닐 경우 선택된 모드를 실행하는 단계(S9), 상기 단계 S2에서 현재 모드가 녹화중인 상태로 판단되면 테이프상의 콘트롤트랙에 비스신호를 기록하는 단계(S3), 상기 단계 후 테이프를 로딩 해제시키는 과정(S4)으로 이루어진 것을 특징으로 하는 비디오 카세트 레코더의 녹화위치 서치방법.The method of claim 1, wherein the first process (L1) is a step of determining whether the current mode is in the recording state when the recording stop button is input (S1, S2), the step is selected if the current mode is not in the recording state Executing the mode (S9), if it is determined in step S2 that the current mode is being recorded, recording the Vis signal on the control track on the tape (S3), and then unloading the tape after the step (S4). A recording position search method of a video cassette recorder, characterized in that made. 제1항에 있어서, 상기 제3과정(L3)은, 제1소정시간동안 테이프를 정회전시켜 콘트롤트랙에 기록된 비스신호를 찾는 단계(S11), 상기 제1소정시간내에 비스신호가 검출되면 현재 시점부터 녹화를 실행하는 단계(S12), 상기 단계에서 비스신호가 검출되지 않을 상태에서 제1소정시간이 완료될 경우 플레이속도로 제2소정시간 동안 비디오 테이프를 역회전시키는 단계(S13,S14), 상기 역회전되는 시간이 제2소정시간에 도달될 경우 플레이속도로 제1소정시간 동안 정회전시켜 테이프의 콘트롤트랙에 기록된 비스신호를 찾는 단계(S15,S16), 상기 단계에서 비스신호가 검출되면 현재 시점부터 녹화를 실행하는 단계(S17), 상기 단계에서 비스신호가 검출되지 않은 상태에서 정회전되는 시간이 제1소정시간에 도달하면 그 시점부터 녹화를 실행하는 단계(S18)로 이루어진 것을 특징으로 하는 비디오 카세트 레코더의 녹화위치 서치방법.2. The method of claim 1, wherein the third process (L3), by rotating the tape forward for a first predetermined time to find a vis signal recorded on the control track (S11), if the vis signal is detected within the first predetermined time Performing recording from the current point of time (S12), and if the first predetermined time is completed in the state where the non-signal signal is not detected in this step, rotating the video tape at the play speed for the second predetermined time (S13, S14). ), When the reverse rotation time reaches the second predetermined time to find the vis signal recorded on the control track of the tape by the forward rotation for a first predetermined time at the play speed (S15, S16), the bis signal in the step If is detected, recording is performed from the current time point (S17). If the time when the forward rotation time reaches the first predetermined time in the state where the non-signal signal is not detected in the above step (S18). Made up A recording position searching method of a video cassette recorder, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950050359A 1995-12-15 1995-12-15 How to search the recording position of the video cassette recorder KR970050920A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269693B1 (en) * 1997-09-30 2000-10-16 구자홍 Right position recording method of image signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269693B1 (en) * 1997-09-30 2000-10-16 구자홍 Right position recording method of image signal

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