BE479144A - - Google Patents

Info

Publication number
BE479144A
BE479144A BE479144DA BE479144A BE 479144 A BE479144 A BE 479144A BE 479144D A BE479144D A BE 479144DA BE 479144 A BE479144 A BE 479144A
Authority
BE
Belgium
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 BE479144A publication Critical patent/BE479144A/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
    • 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)
  • Picture Signal Circuits (AREA)
BE479144D 1940-10-26 BE479144A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363021A US2302425A (en) 1940-10-26 1940-10-26 Television apparatus

Publications (1)

Publication Number Publication Date
BE479144A true BE479144A (en:Method)

Family

ID=23428451

Family Applications (1)

Application Number Title Priority Date Filing Date
BE479144D BE479144A (en:Method) 1940-10-26

Country Status (3)

Country Link
US (1) US2302425A (en:Method)
BE (1) BE479144A (en:Method)
FR (1) FR959967A (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE467388A (en:Method) * 1945-08-31
US2472577A (en) * 1946-05-31 1949-06-07 Rca Corp Double time-constant circuit for direct-current restoration
US2550178A (en) * 1946-11-21 1951-04-24 Rca Corp Direct current reinsertion circuit for television systems
BE486285A (en:Method) * 1947-12-13
US2708687A (en) * 1949-05-10 1955-05-17 Motorola Inc Combined direct current reinserter and synchronizing pulse separator
US2675423A (en) * 1949-07-22 1954-04-13 Hazeltine Research Inc Direct-current restorer system for compensating for the finite impedance of restoring tubes
NL103511C (en:Method) * 1955-01-12

Also Published As

Publication number Publication date
US2302425A (en) 1942-11-17
FR959967A (en:Method) 1950-04-07

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