BE493511A - - Google Patents

Info

Publication number
BE493511A
BE493511A BE493511DA BE493511A BE 493511 A BE493511 A BE 493511A BE 493511D A BE493511D A BE 493511DA BE 493511 A BE493511 A BE 493511A
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 BE493511A publication Critical patent/BE493511A/xx

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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
BE493511D 1949-01-26 BE493511A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72800A US2630486A (en) 1949-01-26 1949-01-26 Low-frequency restoration circuit

Publications (1)

Publication Number Publication Date
BE493511A true BE493511A (fr)

Family

ID=22109829

Family Applications (1)

Application Number Title Priority Date Filing Date
BE493511D BE493511A (fr) 1949-01-26

Country Status (6)

Country Link
US (1) US2630486A (fr)
BE (1) BE493511A (fr)
CH (1) CH284637A (fr)
FR (1) FR1008047A (fr)
GB (1) GB668491A (fr)
NL (1) NL74917C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967770C (de) * 1952-04-17 1957-12-12 Marconi Wireless Telegraph Co Schaltungsanordnung zur Verminderung oder Beseitigung von Brummspannungen in Fernsehsignalen
US2883621A (en) * 1953-05-01 1959-04-21 Honeywell Regulator Co Electrical measuring apparatus
US2843662A (en) * 1954-08-11 1958-07-15 Bell Telephone Labor Inc Shunt clamper of the feedback type
US2929928A (en) * 1955-07-01 1960-03-22 Hughes Aircraft Co Signal conversion system
BE561103A (fr) * 1956-09-27
US3008007A (en) * 1956-09-27 1961-11-07 Philips Corp Receiver for use in frequency shift telegraphy
NL223074A (fr) * 1956-12-15
US3196361A (en) * 1961-07-24 1965-07-20 Blonder Tongue Elect Wide-band video signal amplifier system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1773772A (en) * 1926-12-30 1930-08-26 American Telephone & Telegraph Harmonic suppressor
DE878512C (de) * 1935-03-20 1953-04-16 Emi Ltd Verfahren zur Fadingregelung oder zur Wiedereinfuehrung der Gleich-stromkomponente in elektrische Signale, insbesondere beim Fernsehen
US2151145A (en) * 1935-11-08 1939-03-21 Emi Ltd Reduction of interference in electric signal transmission systems
US2223982A (en) * 1937-01-29 1940-12-03 Rca Corp Radio system
GB505057A (en) * 1937-02-08 1939-05-04 Cfcmug Improvements in or relating to television or telecinema transmitters
GB525629A (en) * 1938-02-25 1940-09-02 Telefunken Gmbh Improvements in or relating to television systems
GB515362A (en) * 1938-05-30 1939-12-04 Alan Dower Blumlein Improvements in or relating to the transmission of electrical signals having a direct current component
US2323762A (en) * 1940-01-31 1943-07-06 Rca Corp Measurement and recording of transient peak voltages

Also Published As

Publication number Publication date
NL74917C (fr)
GB668491A (en) 1952-03-19
CH284637A (de) 1952-07-31
FR1008047A (fr) 1952-05-13
US2630486A (en) 1953-03-03

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