NL48531C - - Google Patents

Info

Publication number
NL48531C
NL48531C NL48531DA NL48531C NL 48531 C NL48531 C NL 48531C NL 48531D A NL48531D A NL 48531DA NL 48531 C NL48531 C NL 48531C
Authority
NL
Netherlands
Application number
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.)
Publication of NL48531C publication Critical patent/NL48531C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry 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)
NL48531D 1935-08-05 NL48531C (en:Method)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL48531C true NL48531C (en:Method)

Family

ID=5769887

Family Applications (1)

Application Number Title Priority Date Filing Date
NL48531D NL48531C (en:Method) 1935-08-05

Country Status (6)

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

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 (nl) * 1950-02-25 Felten & Guilleaume Carlswerk Elektrische verdeelinrichting.
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
FR808993A (fr) 1937-02-19
BE416843A (en:Method)
US2173497A (en) 1939-09-19
GB468905A (en) 1937-07-15
CH202120A (de) 1938-12-31

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