BE710241A - - Google Patents

Info

Publication number
BE710241A
BE710241A BE710241A BE710241A BE710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A
Authority
BE
Belgium
Application number
BE710241A
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 filed Critical
Publication of BE710241A publication Critical patent/BE710241A/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
BE710241A 1967-02-02 1968-02-01 BE710241A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR93443A FR1517067A (fr) 1967-02-02 1967-02-02 Perfectionnements au procédé et au dispositif de comande automatique de gain et decalage du niveau du noir pour récepteurs de télévision

Publications (1)

Publication Number Publication Date
BE710241A true BE710241A (fr) 1968-08-01

Family

ID=8624715

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710241A BE710241A (fr) 1967-02-02 1968-02-01

Country Status (8)

Country Link
US (1) US3566025A (fr)
BE (1) BE710241A (fr)
CH (1) CH465003A (fr)
DE (1) DE1537977A1 (fr)
ES (1) ES350055A1 (fr)
FR (1) FR1517067A (fr)
GB (1) GB1195451A (fr)
NL (1) NL6801380A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927255A (en) * 1974-05-01 1975-12-16 Rca Corp Black level clamping circuit for a television signal processor
FR2473823A1 (fr) * 1980-01-14 1981-07-17 Dassault Electronique Installation pour la transmission d'informations par ligne omnibus optique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288926A (en) * 1963-07-01 1966-11-29 Northern Electric Co Direct current restoration curcuit
US3305637A (en) * 1963-10-31 1967-02-21 Hazeltine Research Inc Control apparatus for a television receiver comprising a back porch keyed agc system

Also Published As

Publication number Publication date
ES350055A1 (es) 1969-04-16
GB1195451A (en) 1970-06-17
CH465003A (de) 1968-11-15
DE1537977A1 (de) 1970-07-23
NL6801380A (fr) 1968-08-05
US3566025A (en) 1971-02-23
FR1517067A (fr) 1968-03-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN

Effective date: 19850201