FR2469847B1 - Circuit de traitement d'un signal video - Google Patents

Circuit de traitement d'un signal video

Info

Publication number
FR2469847B1
FR2469847B1 FR8018058A FR8018058A FR2469847B1 FR 2469847 B1 FR2469847 B1 FR 2469847B1 FR 8018058 A FR8018058 A FR 8018058A FR 8018058 A FR8018058 A FR 8018058A FR 2469847 B1 FR2469847 B1 FR 2469847B1
Authority
FR
France
Prior art keywords
signal processing
video signal
processing circuit
circuit
video
Prior art date
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
FR8018058A
Other languages
English (en)
Other versions
FR2469847A1 (fr
Inventor
Takashi Okada
Atsushi Matsuzaki
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
Priority claimed from JP10461679A external-priority patent/JPS5628570A/ja
Priority claimed from JP10461579A external-priority patent/JPS5628569A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2469847A1 publication Critical patent/FR2469847A1/fr
Application granted granted Critical
Publication of FR2469847B1 publication Critical patent/FR2469847B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
FR8018058A 1979-08-17 1980-08-18 Circuit de traitement d'un signal video Expired FR2469847B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10461679A JPS5628570A (en) 1979-08-17 1979-08-17 Video signal processing circuit
JP10461579A JPS5628569A (en) 1979-08-17 1979-08-17 Video signal processing circuit

Publications (2)

Publication Number Publication Date
FR2469847A1 FR2469847A1 (fr) 1981-05-22
FR2469847B1 true FR2469847B1 (fr) 1985-12-27

Family

ID=26445055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018058A Expired FR2469847B1 (fr) 1979-08-17 1980-08-18 Circuit de traitement d'un signal video

Country Status (4)

Country Link
US (1) US4403254A (fr)
FR (1) FR2469847B1 (fr)
GB (1) GB2058515B (fr)
NL (1) NL8004625A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679087A (en) * 1984-03-12 1987-07-07 Loge/Dunn Instruments, Inc. Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment
US4729026A (en) * 1985-05-21 1988-03-01 Citizen Watch Co., Ltd. Auto-pedestal level clamp circuit
JPH0738729B2 (ja) * 1985-08-07 1995-04-26 キヤノン株式会社 オフセツト付き信号処理装置
JP3257788B2 (ja) * 1990-05-01 2002-02-18 ソニー株式会社 画像表示装置
JPH04170291A (ja) * 1990-11-02 1992-06-17 Canon Inc 信号処理装置
US5390020A (en) * 1992-09-14 1995-02-14 Eastman Kodak Company Video amplifier stabilization for CRT printing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1172300B (de) * 1962-07-11 1964-06-18 Fernseh Gmbh Verfahren und Schaltungsanordnung zur UEbertragung eines Videosignals
FR1370917A (fr) * 1962-08-24 1964-08-28 Marconi Co Ltd Perfectionnements aux équipements de caméras de télévision
US3947631A (en) * 1974-02-27 1976-03-30 Gte Sylvania Incorporated Automatic video signal control circuit
JPS5754983B2 (fr) * 1974-04-19 1982-11-20
US4030125A (en) * 1976-12-16 1977-06-14 The United States Of America As Represented By The Secretary Of The Army Automatic video processing for high-performance CRT displays
US4110787A (en) * 1977-07-28 1978-08-29 Rca Corporation Combined blanking level and kinescope bias clamp for a television signal processing system
JPS5553978A (en) * 1978-10-17 1980-04-19 Sony Corp Automatic luminance adjusting device for television picture receiver

Also Published As

Publication number Publication date
US4403254A (en) 1983-09-06
GB2058515A (en) 1981-04-08
FR2469847A1 (fr) 1981-05-22
GB2058515B (en) 1984-04-04
NL8004625A (nl) 1981-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse