BE411185A - - Google Patents

Info

Publication number
BE411185A
BE411185A BE411185DA BE411185A BE 411185 A BE411185 A BE 411185A BE 411185D A BE411185D A BE 411185DA BE 411185 A BE411185 A BE 411185A
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 BE411185A publication Critical patent/BE411185A/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
    • H04N5/16—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
    • H04N5/14—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
    • 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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Amplifiers (AREA)
  • Picture Signal Circuits (AREA)
BE411185D 1934-09-18 BE411185A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26848/34A GB449242A (en) 1934-09-18 1934-09-18 Improvements in apparatus for amplifying electrical variations

Publications (1)

Publication Number Publication Date
BE411185A true BE411185A (sv)

Family

ID=10250205

Family Applications (1)

Application Number Title Priority Date Filing Date
BE411185D BE411185A (sv) 1934-09-18

Country Status (6)

Country Link
US (1) US2190753A (sv)
BE (1) BE411185A (sv)
DE (1) DE882416C (sv)
FR (1) FR794557A (sv)
GB (1) GB449242A (sv)
NL (1) NL46321C (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB515363A (en) * 1938-05-30 1939-12-04 John Hardwick Improvements in or relating to thermionic valve circuits
US2647161A (en) * 1947-09-17 1953-07-28 Motorola Inc Double triode clamping circuit for direct current reinsertion
GB688195A (en) * 1948-02-11 1953-03-04 Emi Ltd Improvements in or relating to television transmitting systems
GB688200A (en) * 1948-07-15 1953-03-04 Emi Ltd Improvements relating to television transmitting systems
AT29106B (de) * 1948-08-10 1907-07-10 Alois Dichtl Verfahren zur Herstellung eines Vertilgungsmittels für Ratten, Mäuse u. dgl.
US2609443A (en) * 1948-12-29 1952-09-02 Rca Corp Keyed automatic gain control
GB666289A (en) * 1949-05-19 1952-02-06 Emi Ltd Improvements in or relating to television transmission systems
BE505898A (sv) * 1950-09-20
GB709715A (en) * 1950-12-06 1954-06-02 Emi Ltd Improvements relating to non-linear electrical circuits
NL82458C (sv) * 1951-12-05
US2708615A (en) * 1952-03-01 1955-05-17 Servo Corp High-speed recorder
US2850627A (en) * 1952-12-08 1958-09-02 Philco Corp System for maintaining predetermined portions of a signal at a predetermined value
BE535012A (sv) * 1954-01-23
NL103511C (sv) * 1955-01-12
US2913520A (en) * 1955-12-05 1959-11-17 Minnesota Mining & Mfg Method of magnetically recording and reproducing television signals
FR2186793B1 (sv) * 1972-05-30 1977-01-14 Schlumberger Compteurs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL48119C (sv) * 1930-05-21
FR742835A (sv) * 1931-09-16 1933-03-17
AT133846B (de) * 1931-09-26 1933-06-26 Rca Corp Verfahren und Einrichtung für das Fernsehen.
BE401713A (sv) * 1933-02-28

Also Published As

Publication number Publication date
FR794557A (fr) 1936-02-20
DE882416C (de) 1953-07-09
GB449242A (en) 1936-06-18
US2190753A (en) 1940-02-20
NL46321C (sv)

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