KR830008611A - Color video signal recording method and recording / playback method - Google Patents

Color video signal recording method and recording / playback method Download PDF

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Publication number
KR830008611A
KR830008611A KR1019810004513A KR810004513A KR830008611A KR 830008611 A KR830008611 A KR 830008611A KR 1019810004513 A KR1019810004513 A KR 1019810004513A KR 810004513 A KR810004513 A KR 810004513A KR 830008611 A KR830008611 A KR 830008611A
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South Korea
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signal
recording
frequency
color
color video
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KR1019810004513A
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Korean (ko)
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아끼라 히로다
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신지 이찌로
니뽕 빅터 가부시기 가이샤
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Publication of KR830008611A publication Critical patent/KR830008611A/en
Priority to KR2019870014084U priority Critical patent/KR880000412Y1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Color Television Systems (AREA)

Abstract

내용 없음No content

Description

칼러 영상신호 기록방식 및 기록재생방식Color video signal recording method and recording / playback method

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

제3도는 및 제4도는 본 발명에 의한 실시예의 계통도.Figure 3 and Figure 4 is a schematic diagram of an embodiment according to the present invention.

Claims (10)

복합칼러 영상신호에서 분리된 반송색신호 대역의 신호를 저역으로 주파수 변환하여 얻어진 주파수 변환신호와, 상기 복합칼러 영상신호에서 저역필터로서 분리된 휘도 신호에 의하여 반송파를 주파수 변조하여 얻어진 주파수 변조신호를 다중기록하는 칼터 영상신호 기록방식에 있어서, 상기 반송색신호 대역의 신호의 주파수 변환에 이용되는 변환용 국부신호와 상기 복합 칼러 영상신호의 수평동기신호와 위상을 고정하도록 하기위하여 상기 받송색신호 대역의 신호내에 존재하는 휘도 신호의 고역성분을 유효하개 보준하는 것을 특징으로 하는 칼러 영상신호 기록방식.A frequency conversion signal obtained by frequency-converting a signal of a carrier color signal band separated from a composite color video signal to a low pass and a frequency modulated signal obtained by frequency modulating a carrier wave with a luminance signal separated from the composite color video signal as a low pass filter are multiplexed. In the Calter image signal recording method for recording, a local signal for conversion used for frequency conversion of a signal of the carrier color signal band and a horizontal synchronization signal of the composite color video signal and a phase are fixed within the signal of the received color signal band. A color video signal recording method characterized by effectively compensating high frequency components of an existing luminance signal. 제1항에 의한 기록방식이 있어서, 상기 국부신호와 상기 복합영상신호의 수평동기신호 m개(m은 자연수)마다의 1개의 수평동기신호의 위상을 고정함과 동시에, 수평동기 신호 m개마다 1개의 위치를 표시하기 위한 파일롯 신호를 다중기록함에 의하여 상기 반송색신호 대역의 신호내에 존재하는 휘도신호의 고역성분을 유효하게 보존하는 것을 특징으로 하는 칼러 영상신호 기록방식.The recording method according to claim 1, wherein the phase of one horizontal synchronizing signal for every m horizontal synchronizing signals (m is a natural number) of the local signal and the composite video signal is fixed and every m horizontal synchronizing signals are fixed. And multi-recording a pilot signal for indicating one position, effectively storing the high frequency component of the luminance signal present in the signal of the carrier color signal band. 제1항 내지 제2항에 의한 기록방식에 있어서, 상기 국부신호가 수평동기신호를 분주하고 그리고 위상전이하여 주파수 편이한 신호인 칼러 영상신호 기록방식.The recording method according to any one of claims 1 to 2, wherein the local signal is a signal which is frequency shifted by dividing a horizontal synchronization signal and shifting a phase. 제1항 내지 제2항에 의한 기록방식에 있어서, 상기 반송색신호들의 위상을 매수평주사주기마다 상호 역방향으로 어긋나게 한 칼러 영상신호 기록방신.The recording method according to any one of claims 1 to 2, wherein the phases of the carrier color signals are shifted in opposite directions with each horizontal scanning period. 제2항에 의한 기록방식에 있어서, 상기 국부신호가 수평동기신호를 분주하고, 위상전이하여 또한 주파수변이된 신호이며, 상기 반송색신호들의 위상을 매수평주기마다 상호 역방향으로 어긋나게 한 칼러 영상신호 기록 방법.3. The recording method according to claim 2, wherein the local signal is a signal which divides a horizontal synchronization signal, phase shifts and is frequency shifted, and color video signal recording in which phases of the carrier color signals are shifted in opposite directions at every horizontal period. Way. 복합칼러 영상신호에서 분리된 반송색신호대역의 신호를 저역으로 주파수 변환하여 얻어지는 주파수 변환신호와, 상기 복합칼러 영상신호에서 저역필터로서 분리된 휘도신호에서의 반송파를 주파수 변조하여 얻어지는 주파수 변조신호를 다중기록하고 이것을 재생하여 얻어지는 재생신호에서 분리된 재생주파수 변환신호를 원래의 주파수 대역으로 주파수 변환하여 얻어진 신호와,상기 재생신호에서 분리된 재생주파수 변조신호를 복조하여 얻어진 신호를 혼합하여 재생복합칼러 영상신호를 얻는 칼러 영상신호 기록재생방식이 있어서,상기 재생주파수 변환신호의 주파수 변환에 이용되는 변환용 국부신호와 상기 재생 복합칼러 영상신호의 수평동기신호의 위상을 고정하는 것에 의하여, 상기 반속색신호 대역의 신호내에 존재하는 휘도신호의 고역성분을 유효하게 복원하는 것을 특징으로 하는 칼러 영상신호 기록재생방식.A frequency conversion signal obtained by frequency-converting a signal of a carrier color signal band separated from a composite color video signal to a low pass, and a frequency modulated signal obtained by frequency modulating a carrier wave in a luminance signal separated as a low pass filter from the composite color video signal A reproduction composite color image obtained by mixing a reproduction frequency conversion signal separated from a reproduction signal obtained by recording and reproducing the signal into the original frequency band, and a signal obtained by demodulating the reproduction frequency modulation signal separated from the reproduction signal. In the color video signal recording and reproducing method of obtaining a signal, the half-color signal band is fixed by fixing a phase of a local signal for conversion and a horizontal synchronization signal of the reproducing combined color video signal used for frequency conversion of the reproduction frequency conversion signal. High luminance signal in the signal of A color video signal recording and reproducing method, which effectively restores inverse components. 제6항에 의한 기록재생방식에 있어서, 상기 재생주파수 변환신호의 주파수 변환에 이용되는 변환용 국부신호와 상기 재생톡합칼러 영상신호의 수평동기신호m개(m은 자연수)마다 하나의 신호의 위상을 고정함과 동시에 수평동기 m개마다 1개의 위치를 표시하기 위하여 다중기록된 파일롯신호를 이용한 수평동기신호 m개중의 1개를 선택함에 의하여, 상기 반송색신호대역의 신호내에 존재하는 휘도신호의 고역성분을 유효하게 복원시키는 것을 특징으로 하는 칼러 영상 기록 재생방식.7. The recording and reproducing method according to claim 6, wherein a phase of one signal for every m horizontal synchronous signals (m is a natural number) of the conversion local signal and the regeneration add color video signal used for frequency conversion of the reproduction frequency conversion signal. By selecting one of the m horizontal synchronous signals using the multi-recorded pilot signal to display one position for every m horizontal synchronous signals, the high frequency range of the luminance signal existing in the signal of the carrier color signal band is fixed. A color video recording and reproducing method, wherein the component is effectively restored. 제6항 내지 제7항에 의한 기록재생방식에 있어서, 상기 국부신호가 수평공기 신호를 분주하고, 위상전이하며, 주파수 변이된 신호인 칼러 영상 기록 재생방식.8. The color image recording and reproducing method according to claim 6 to 7, wherein the local signal is a signal which divides a horizontal air signal, phase shifts, and is frequency shifted. 제6항 및 제7항에 의한 기록재생방식이 있어서, 상기 반송색신호들의 위상을 제각기 수평주기주사마다 상호 역방향으로 어긋나게 한 칼러 영상신호 기록 재생박식.The recording and reproducing method according to claim 6 and 7, wherein the phases of the carrier color signals are shifted in opposite directions for each horizontal period scanning, respectively. 제7항에 의한 기록재생방식에 있어서 상기 국부신호가 수평동기신호를 분주하고 위상전이하며, 또한 주파수 변이된 신호이며, 상기 반송색신호의 위상을 매수평주기마다 상호 역방형으로 어긋나게 한 칼러 영상신호 기록방법.In the recording and reproducing method according to claim 7, the local signal divides the horizontal synchronization signal, phase shifts, and is a frequency shifted signal, and a color video signal in which the phase of the carrier color signal is shifted in reverse in each horizontal period. How to record. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810004513A 1980-11-22 1981-11-21 Color video signal recording method and recording / playback method KR830008611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870014084U KR880000412Y1 (en) 1980-11-22 1987-08-24 Recording apparatus of colour picture signal

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Application Number Priority Date Filing Date Title
JP165056 1980-11-22
JP55165056A JPS5789387A (en) 1980-11-22 1980-11-22 Color video signal recording system and recording and reproducing system

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KR2019870014084U Division KR880000412Y1 (en) 1980-11-22 1987-08-24 Recording apparatus of colour picture signal

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KR830008611A true KR830008611A (en) 1983-12-10

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JPS58218869A (en) * 1982-06-11 1983-12-20 Nippon Chemicon Corp Switching regulator
JP2009036841A (en) 2007-07-31 2009-02-19 Brother Ind Ltd Image forming apparatus

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US3820154A (en) * 1972-08-25 1974-06-25 Int Video Corp Phased color under video recording and playback method and apparatus
JPS5421061B2 (en) * 1973-05-15 1979-07-27

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