BE524213A - - Google Patents

Info

Publication number
BE524213A
BE524213A BE524213DA BE524213A BE 524213 A BE524213 A BE 524213A BE 524213D A BE524213D A BE 524213DA BE 524213 A BE524213 A BE 524213A
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 BE524213A publication Critical patent/BE524213A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • 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
    • 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
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Synchronizing For Television (AREA)
BE524213D 1952-11-14 BE524213A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US320394A US2843661A (en) 1952-11-14 1952-11-14 Noise reduction circuit for television transmitters

Publications (1)

Publication Number Publication Date
BE524213A true BE524213A (ja)

Family

ID=23246217

Family Applications (1)

Application Number Title Priority Date Filing Date
BE524213D BE524213A (ja) 1952-11-14

Country Status (5)

Country Link
US (1) US2843661A (ja)
BE (1) BE524213A (ja)
FR (1) FR1088754A (ja)
GB (1) GB747029A (ja)
NL (1) NL182800A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL202606A (ja) * 1955-12-06
DE1256681B (de) * 1959-06-09 1967-12-21 Fernseh Gmbh Regelschaltung fuer ein Fernsehsignal zum selbsttaetigen Ausgleich von raschen Pegelaenderungen, welche bei der Normwandlung von Fernsehsignalen unterschiedlicher Vertikalfrequenz, vorzugsweise bei 10 Hz Differenzfrequenz, auftreten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292816A (en) * 1938-04-20 1942-08-11 Rca Corp Picture transmitting apparatus
US2315388A (en) * 1940-11-30 1943-03-30 Rca Corp Television system
AT29106B (de) * 1948-08-10 1907-07-10 Alois Dichtl Verfahren zur Herstellung eines Vertilgungsmittels für Ratten, Mäuse u. dgl.
NL82308C (ja) * 1949-06-04

Also Published As

Publication number Publication date
GB747029A (en) 1956-03-28
FR1088754A (fr) 1955-03-10
NL182800A (ja)
US2843661A (en) 1958-07-15

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