FR2251974B1 - - Google Patents

Info

Publication number
FR2251974B1
FR2251974B1 FR7437961A FR7437961A FR2251974B1 FR 2251974 B1 FR2251974 B1 FR 2251974B1 FR 7437961 A FR7437961 A FR 7437961A FR 7437961 A FR7437961 A FR 7437961A FR 2251974 B1 FR2251974 B1 FR 2251974B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7437961A
Other versions
FR2251974A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2251974A1 publication Critical patent/FR2251974A1/fr
Application granted granted Critical
Publication of FR2251974B1 publication Critical patent/FR2251974B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Signal Processing For Recording (AREA)
FR7437961A 1973-11-16 1974-11-18 Expired FR2251974B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12888573A JPS5543316B2 (fr) 1973-11-16 1973-11-16

Publications (2)

Publication Number Publication Date
FR2251974A1 FR2251974A1 (fr) 1975-06-13
FR2251974B1 true FR2251974B1 (fr) 1976-10-22

Family

ID=14995747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437961A Expired FR2251974B1 (fr) 1973-11-16 1974-11-18

Country Status (9)

Country Link
US (1) US3947871A (fr)
JP (1) JPS5543316B2 (fr)
AT (1) AT335528B (fr)
CA (1) CA1054706A (fr)
DE (1) DE2454534C3 (fr)
FR (1) FR2251974B1 (fr)
GB (1) GB1479627A (fr)
IT (1) IT1025748B (fr)
NL (1) NL187292C (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739597B2 (fr) * 1974-04-08 1982-08-21
JPS5623953Y2 (fr) * 1975-07-21 1981-06-05
JPS5247319A (en) * 1975-10-13 1977-04-15 Victor Co Of Japan Ltd Recording/reproducing system of color video signal
JPS5728464Y2 (fr) * 1976-07-21 1982-06-21
JPS5416928A (en) * 1977-07-07 1979-02-07 Matsushita Electric Ind Co Ltd Color killer circuit for magnetic picture recorder/reproducer
US4356506A (en) * 1979-06-18 1982-10-26 Matsushita Electric Industrial Co. Ltd. Automatic chrominance control circuit for a color video tape recorder
US4396953A (en) * 1979-12-06 1983-08-02 Victor Company Of Japan, Ltd. Color video signal dubbing system for collating the outputs of signal sources
JPS56160189A (en) * 1980-04-29 1981-12-09 Sony Corp Differential gain compensating circuit
US4500931A (en) * 1981-02-25 1985-02-19 Tokyo Shibaura Denki Kabushiki Kaisha Signal sampling gate circuit
US4433255A (en) * 1981-02-25 1984-02-21 Tokyo Shibaura Denki Kabushiki Kaisha Signal sampling gate circuit
JPS57141194A (en) * 1981-02-26 1982-09-01 Sony Corp Demodulating circuit for pal system color television signal
DE3206202A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur verringerung des rauschens in einem farbfernsehbild
KR900006490B1 (ko) * 1984-10-12 1990-09-01 마쯔시다덴기산교 가부시기가이샤 색신호 처리장치
JPS6231295A (ja) * 1985-08-02 1987-02-10 Canon Inc 色信号判別装置
JP2726573B2 (ja) * 1991-03-20 1998-03-11 ローム株式会社 制御回路
KR940004080Y1 (ko) * 1991-05-13 1994-06-17 주식회사 금성사 Vcr 색신호 처리계의 노이즈 제거장치
KR950006083B1 (ko) * 1993-03-05 1995-06-08 주식회사엘지전자 브이 씨 알(vcr)의 알 에프(rf)신호 레벨 자동 조절장치
KR0183724B1 (ko) * 1995-07-24 1999-04-15 김광호 아메리크롬 카피방식에 있어서의 칼라노이즈 리덕션장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755618A (en) * 1972-03-02 1973-08-28 Zenith Radio Corp Shunt color killer circuit
US3750042A (en) * 1972-08-21 1973-07-31 Gen Electric Amplifier of controllable gain
US3852808A (en) * 1973-04-04 1974-12-03 Rca Corp Color amplitude correction in plural transducer signal playback systems

Also Published As

Publication number Publication date
JPS5543316B2 (fr) 1980-11-05
FR2251974A1 (fr) 1975-06-13
NL187292B (nl) 1991-03-01
AT335528B (de) 1977-03-10
DE2454534C3 (de) 1978-11-16
CA1054706A (fr) 1979-05-15
ATA915874A (de) 1976-07-15
US3947871A (en) 1976-03-30
NL187292C (nl) 1991-08-01
GB1479627A (en) 1977-07-13
IT1025748B (it) 1978-08-30
NL7415024A (nl) 1975-05-21
JPS5081222A (fr) 1975-07-01
DE2454534A1 (de) 1975-05-28
DE2454534B2 (de) 1978-03-16

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