CA1154151A - Video signal processing circuit - Google Patents

Video signal processing circuit

Info

Publication number
CA1154151A
CA1154151A CA000358361A CA358361A CA1154151A CA 1154151 A CA1154151 A CA 1154151A CA 000358361 A CA000358361 A CA 000358361A CA 358361 A CA358361 A CA 358361A CA 1154151 A CA1154151 A CA 1154151A
Authority
CA
Canada
Prior art keywords
level
video signal
input video
signal
peak
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
CA000358361A
Other languages
English (en)
French (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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1154151A publication Critical patent/CA1154151A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
CA000358361A 1979-08-17 1980-08-15 Video signal processing circuit Expired CA1154151A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10461579A JPS5628569A (en) 1979-08-17 1979-08-17 Video signal processing circuit
JP104615/79 1979-08-17

Publications (1)

Publication Number Publication Date
CA1154151A true CA1154151A (en) 1983-09-20

Family

ID=14385337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000358361A Expired CA1154151A (en) 1979-08-17 1980-08-15 Video signal processing circuit

Country Status (3)

Country Link
JP (1) JPS5628569A (ja)
CA (1) CA1154151A (ja)
DE (1) DE3031185A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675780A (en) * 1979-11-26 1981-06-23 Sony Corp Video signal processing circuit
JPS5811369U (ja) * 1981-07-15 1983-01-25 三洋電機株式会社 テレビジヨン受像機の自動黒レベル補正回路
US4598316A (en) 1983-05-31 1986-07-01 Rca Corporation Brightness control network in a video signal processor with AC coupled output stages
JPS6043972A (ja) * 1983-08-22 1985-03-08 Sony Corp 映像の黒レベル再生回路
JPS63273127A (ja) * 1987-04-30 1988-11-10 Nec Home Electronics Ltd 印字デ−タ表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947631A (en) * 1974-02-27 1976-03-30 Gte Sylvania Incorporated Automatic video signal control circuit
JPS5187911A (ja) * 1975-01-30 1976-07-31 Sony Corp

Also Published As

Publication number Publication date
DE3031185A1 (de) 1981-03-26
JPS5628569A (en) 1981-03-20
JPS6313581B2 (ja) 1988-03-26

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Legal Events

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