CH202120A - Level control circuit for television amplifiers. - Google Patents

Level control circuit for television amplifiers.

Info

Publication number
CH202120A
CH202120A CH202120DA CH202120A CH 202120 A CH202120 A CH 202120A CH 202120D A CH202120D A CH 202120DA CH 202120 A CH202120 A CH 202120A
Authority
CH
Switzerland
Prior art keywords
control circuit
level control
television amplifiers
amplifiers
television
Prior art date
Application number
Other languages
German (de)
Inventor
Radioaktiengesellschaft Loewe
Original Assignee
Loewe Opta Gmbh
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 Loewe Opta Gmbh filed Critical Loewe Opta Gmbh
Publication of CH202120A publication Critical patent/CH202120A/en

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
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
CH202120D 1935-08-05 1936-07-30 Level control circuit for television amplifiers. CH202120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202120X 1935-08-05

Publications (1)

Publication Number Publication Date
CH202120A true CH202120A (en) 1938-12-31

Family

ID=5769887

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202120D CH202120A (en) 1935-08-05 1936-07-30 Level control circuit for television amplifiers.

Country Status (6)

Country Link
US (1) US2173497A (en)
BE (1) BE416843A (en)
CH (1) CH202120A (en)
FR (1) FR808993A (en)
GB (1) GB468905A (en)
NL (1) NL48531C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543797A (en) * 1942-05-23 1951-03-06 Irving H Page Radio amplifier circuits
US2468087A (en) * 1943-01-29 1949-04-26 Int Standard Electric Corp Thermionic valve circuits
US2418480A (en) * 1944-05-24 1947-04-08 Arthur C Prichard Asymmetrically conducting network
US2471246A (en) * 1944-05-25 1949-05-24 Rca Corp Electronic apparatus
NL159242B (en) * 1950-02-25 Felten & Guilleaume Carlswerk ELECTRICAL DISTRIBUTION DEVICE.
US2599287A (en) * 1950-05-23 1952-06-03 Gen Electric Wide frequency range power-factor meter
US2911464A (en) * 1955-11-16 1959-11-03 Muirhead & Co Ltd Facsimile telegraph systems
US3396236A (en) * 1965-06-07 1968-08-06 Fairchild Camera Instr Co Automatic black-level control circuit

Also Published As

Publication number Publication date
US2173497A (en) 1939-09-19
FR808993A (en) 1937-02-19
GB468905A (en) 1937-07-15
BE416843A (en)
NL48531C (en)

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