KR870010530A - FM luminance signal demodulation device for video signal playback device - Google Patents

FM luminance signal demodulation device for video signal playback device Download PDF

Info

Publication number
KR870010530A
KR870010530A KR870003614A KR870003614A KR870010530A KR 870010530 A KR870010530 A KR 870010530A KR 870003614 A KR870003614 A KR 870003614A KR 870003614 A KR870003614 A KR 870003614A KR 870010530 A KR870010530 A KR 870010530A
Authority
KR
South Korea
Prior art keywords
demodulation
circuit
luminance signal
video signal
level
Prior art date
Application number
KR870003614A
Other languages
Korean (ko)
Other versions
KR900004623B1 (en
Inventor
마사끼 쓰지
Original Assignee
와다리 스기이찌로오
가부시끼가이샤 도시바
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.)
Filing date
Publication date
Application filed by 와다리 스기이찌로오, 가부시끼가이샤 도시바 filed Critical 와다리 스기이찌로오
Publication of KR870010530A publication Critical patent/KR870010530A/en
Application granted granted Critical
Publication of KR900004623B1 publication Critical patent/KR900004623B1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/911—Television signal processing therefor for the suppression of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)

Abstract

내용 없음No content

Description

비데오 신호 재생장치의 FM휘도신호의 복조장치FM luminance signal demodulation device for video signal playback device

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

제1도는 본 발명의 한 실시예의 구성을 나타내는 블럭도.1 is a block diagram showing the configuration of an embodiment of the present invention.

제2도는 제1도의 동작을 설명하기 위한 신호 파형도.2 is a signal waveform diagram for explaining the operation of FIG.

제3도는 제1도의 구체적 구성의 한 예를 나타내는 회로도.3 is a circuit diagram showing an example of a specific configuration of FIG.

Claims (1)

FM복조회로(11)에 의해서 FM신호화된 신호를 복조하는 비데오신호 재생장치에 있어서의 FM신호복조장치에 있어서,In the FM signal demodulation apparatus in the video signal reproducing apparatus for demodulating the signal signaled by the FM demodulation circuit 11, 전술한 FM 복조회로(11)의 복조휘도 신호출력을 화이트 레벨쪽의 소정의 레벨에서 클립하는 클립회로(13)와, 이 화이트 레벨클럽회로(13)에서의 클립동작에 의한 진폭저하분을 보상하기 위해서 전술한 복조휘도 신호출력의 다크레별로부터 화이트 레별로의 변화후의 진폭레벨을 신장하는 신장회로(14)를 구비한 것을 특징으로 하는 비데오 신호 재생장치에 있어서의 FM휘도 신호복조장치.The clip circuit 13 for clipping the demodulation luminance signal output of the above-described FM demodulation circuit 11 at a predetermined level toward the white level, and the amplitude reduction portion due to the clip operation in the white level club circuit 13 An FM luminance signal demodulation device for a video signal reproducing apparatus, comprising: an extension circuit (14) for increasing the amplitude level after the change from the dark level of the demodulation luminance signal output to the white level for compensation. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870003614A 1986-04-15 1987-04-15 Demodulation system of fm luminance signal for vtr KR900004623B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61086610A JPS62242480A (en) 1986-04-15 1986-04-15 Fm demodulating device
JP86610 1986-04-15
JP61-86610 1986-04-15

Publications (2)

Publication Number Publication Date
KR870010530A true KR870010530A (en) 1987-11-30
KR900004623B1 KR900004623B1 (en) 1990-06-30

Family

ID=13891782

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003614A KR900004623B1 (en) 1986-04-15 1987-04-15 Demodulation system of fm luminance signal for vtr

Country Status (5)

Country Link
JP (1) JPS62242480A (en)
KR (1) KR900004623B1 (en)
CS (2) CS363590A3 (en)
DE (1) DE3712778A1 (en)
GB (1) GB2189368B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960006112Y1 (en) * 1991-04-30 1996-07-20 강진구 Noise eliminating circuit
CH685197A5 (en) * 1992-01-09 1995-04-28 Automatic Taping Systems Broadband binding of stacked packed goods.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166786A (en) * 1981-04-06 1982-10-14 Sony Corp Video signal processing circuit
US4563704A (en) * 1981-06-19 1986-01-07 Victor Company Of Japan, Ltd. Noise reduction circuit for a video signal

Also Published As

Publication number Publication date
KR900004623B1 (en) 1990-06-30
CS8702683A2 (en) 1991-07-16
CS275797B6 (en) 1992-03-18
GB8708663D0 (en) 1987-05-13
CS275825B6 (en) 1992-03-18
DE3712778C2 (en) 1993-01-14
CS363590A3 (en) 1992-03-18
JPS62242480A (en) 1987-10-23
DE3712778A1 (en) 1987-10-22
GB2189368B (en) 1990-02-07
GB2189368A (en) 1987-10-21

Similar Documents

Publication Publication Date Title
KR830007000A (en) Waveform shaping circuit of digital signal processing device
KR860001367A (en) Electronic Control System
KR840001034A (en) Noise reduction circuit
KR890015605A (en) Mode determination circuit
KR840002546A (en) Circuit device for information signal conversion
KR920001488A (en) Disc player
KR880000913A (en) Automatic Gain Control (AGC) Circuit
KR880009473A (en) Frequency modulation circuit
KR870010530A (en) FM luminance signal demodulation device for video signal playback device
KR900006953A (en) Magnetic regeneration device
KR870006799A (en) Video signal recording device
KR910006964A (en) Noise Reduction Circuit
KR860000770A (en) Video AGC circuit
KR880002319A (en) Gain control amplifier
KR920015788A (en) Signal Processing Integrated Circuit Device
KR900017024A (en) Information signal recording device
KR850004006A (en) IF signal processing device
KR870006562A (en) Disc player
KR840000017A (en) Information recording medium playback device
KR840007340A (en) Digital data receiver
KR890006088A (en) Video recorder with improved color recording technology
KR840008565A (en) Image signal processing circuit
KR920015347A (en) VTR recording method
KR890015602A (en) Magnetic recording device
KR880006895A (en) Video display

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19970528

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee