KR880003521A - Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback - Google Patents

Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback Download PDF

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Publication number
KR880003521A
KR880003521A KR1019860007215A KR860007215A KR880003521A KR 880003521 A KR880003521 A KR 880003521A KR 1019860007215 A KR1019860007215 A KR 1019860007215A KR 860007215 A KR860007215 A KR 860007215A KR 880003521 A KR880003521 A KR 880003521A
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KR
South Korea
Prior art keywords
signal
luminance signal
luminance
automatic gain
controller
Prior art date
Application number
KR1019860007215A
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Korean (ko)
Inventor
이준성
이철호
오일규
고세연
Original Assignee
강진구
삼성반도체 통신주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 강진구, 삼성반도체 통신주식회사 filed Critical 강진구
Priority to KR1019860007215A priority Critical patent/KR880003521A/en
Publication of KR880003521A publication Critical patent/KR880003521A/en

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Abstract

내용 없음No content

Description

재생전용 화상 녹재기의 휘도신호 처리용 집적회로의 시스템Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback

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

제1도는 본 발명의 시스템도 제2(A)-(H)도는 제1도의 각 부분의 파형도FIG. 1 is a system diagram of the present invention. FIG. 2 (A)-(H) is a waveform diagram of each part of FIG.

Claims (1)

비디오 시스템에 있어서, 제1및 제2채널 헤드로 부터 재생된 비디오 신호를 입력하여 상기 양 채널의 휘도신호의 레벨을 일정히 하는 자동이득제어기(1)와, 상기 자동이득제어기(1)의 출력으로 상기 자동이득제어기(1)이 이득조절을 하도록 제어신호를 발생하는 자동이득 제어량 검출기(2)와, 상기 제어기(1)의 출력으로 상기 제어기(1)의 일정 레벨의 휘도 신호를 입력하여 재생 휘도신호중 드롭 아웃을 보정하기 위한 드롭아웃 보상기(3)와, 휘도신호중의 저역 색신호 주파수 성분을 제거하기 위한 고역통과필터(4)와, 진폭을 일정히 하는 리미터(5)와, 휘도신호로 복조하기 위한 FM복조기(6)와, 변조시 강조된 고역을 원상으로 복구하는 메인 디 엠퍼시스(8)와, 높은 레벨 신호를 낮은 레벨신호보다 더 고역을 감쇄하는 다이나믹 디엠퍼시스(9)와, 복조된 휘도신호중 잡음성분을 제거하기 위한 잡음제거기(10)와, 색신호와의 혼합시 타이밍을 조절하기 위한 위상보상기(11)와, 헤드드럼의 정상동작시까지 휘도신호 출력을 차단하는 스켈치회로(12)와, 상기 복조된 휘도신호와 색신호를 혼합하여 출력하는 혼합기(13)와, 수형동기신호를 분리하는 동기분리기(14)로 구성함을 특징으로 하는 재생전용 화상녹재기의 휘도신호 처리용 집적회로 시스템.In a video system, an automatic gain controller (1) for inputting video signals reproduced from first and second channel heads to keep the level of the luminance signals of both channels constant, and an output of the automatic gain controller (1). The automatic gain control amount detector 2 which generates a control signal so that the automatic gain controller 1 adjusts the gain, and the luminance signal of the predetermined level of the controller 1 is inputted to the output of the controller 1 and reproduced. A dropout compensator 3 for correcting the dropout of the luminance signal, a high pass filter 4 for removing the low-pass color signal frequency components of the luminance signal, a limiter 5 for keeping the amplitude constant, and a demodulation with the luminance signal An FM demodulator 6 for demodulating, a main de-emphasis 8 for restoring the high range emphasized in modulation, a dynamic de-emphasis 9 for attenuating a high level signal higher than a low level signal, and demodulated Luminance A noise canceller 10 for removing the noise component of the neutrophil, a phase compensator 11 for adjusting the timing when mixing the color signal, a squelch circuit 12 for interrupting the luminance signal output until the head drum is operated normally; And a mixer 13 for mixing and outputting the demodulated luminance signal and the color signal, and a synchronous separator 14 for separating the male synchronous signal. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860007215A 1986-08-29 1986-08-29 Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback KR880003521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860007215A KR880003521A (en) 1986-08-29 1986-08-29 Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860007215A KR880003521A (en) 1986-08-29 1986-08-29 Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback

Publications (1)

Publication Number Publication Date
KR880003521A true KR880003521A (en) 1988-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007215A KR880003521A (en) 1986-08-29 1986-08-29 Integrated Circuit System for Luminance Signal Processing of Image Recorder for Playback

Country Status (1)

Country Link
KR (1) KR880003521A (en)

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