AT295613B - Automatische Pegelregelschaltung für eine Videoverstärkeranordnung - Google Patents

Automatische Pegelregelschaltung für eine Videoverstärkeranordnung

Info

Publication number
AT295613B
AT295613B AT119670A AT119670A AT295613B AT 295613 B AT295613 B AT 295613B AT 119670 A AT119670 A AT 119670A AT 119670 A AT119670 A AT 119670A AT 295613 B AT295613 B AT 295613B
Authority
AT
Austria
Prior art keywords
control circuit
level control
video amplifier
amplifier arrangement
automatic level
Prior art date
Application number
AT119670A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT295613B publication Critical patent/AT295613B/de

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
    • 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
    • H04N5/57—Control of contrast or brightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
AT119670A 1969-02-13 1970-02-10 Automatische Pegelregelschaltung für eine Videoverstärkeranordnung AT295613B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6902317A NL6902317A (de) 1969-02-13 1969-02-13

Publications (1)

Publication Number Publication Date
AT295613B true AT295613B (de) 1972-01-10

Family

ID=19806151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT119670A AT295613B (de) 1969-02-13 1970-02-10 Automatische Pegelregelschaltung für eine Videoverstärkeranordnung

Country Status (6)

Country Link
US (1) US3598912A (de)
AT (1) AT295613B (de)
DE (1) DE2003808A1 (de)
ES (1) ES376457A1 (de)
FR (1) FR2031406A1 (de)
NL (1) NL6902317A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750038A (en) * 1971-11-12 1973-07-31 Jerrold Electronics Corp Amplifier circuit for coincidentally providing signal clamping operation
JPS5538870B2 (de) * 1972-10-10 1980-10-07
US4135200A (en) * 1977-05-12 1979-01-16 Rca Corporation Brightness control circuit with predictable brightness control range

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851520A (en) * 1953-03-31 1958-09-09 Csf Devices for restoring means shading in television transmitters

Also Published As

Publication number Publication date
DE2003808A1 (de) 1970-09-03
FR2031406A1 (de) 1970-11-20
NL6902317A (de) 1970-08-17
US3598912A (en) 1971-08-10
ES376457A1 (es) 1972-04-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee