NL46321C - - Google Patents

Info

Publication number
NL46321C
NL46321C NL46321DA NL46321C NL 46321 C NL46321 C NL 46321C NL 46321D A NL46321D A NL 46321DA NL 46321 C NL46321 C NL 46321C
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 NL46321C publication Critical patent/NL46321C/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)
  • Picture Signal Circuits (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Amplifiers (AREA)
NL46321D 1934-09-18 NL46321C (fr)

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
NL46321C true NL46321C (fr)

Family

ID=10250205

Family Applications (1)

Application Number Title Priority Date Filing Date
NL46321D NL46321C (fr) 1934-09-18

Country Status (6)

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

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
NL81047C (fr) * 1950-09-20
GB709715A (en) * 1950-12-06 1954-06-02 Emi Ltd Improvements relating to non-linear electrical circuits
NL82458C (fr) * 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 (fr) * 1954-01-23
NL103511C (fr) * 1955-01-12
US2913520A (en) * 1955-12-05 1959-11-17 Minnesota Mining & Mfg Method of magnetically recording and reproducing television signals
FR2186793B1 (fr) * 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 (fr) * 1930-05-21
FR742835A (fr) * 1931-09-16 1933-03-17
AT133846B (de) * 1931-09-26 1933-06-26 Rca Corp Verfahren und Einrichtung für das Fernsehen.
BE401713A (fr) * 1933-02-28

Also Published As

Publication number Publication date
FR794557A (fr) 1936-02-20
US2190753A (en) 1940-02-20
BE411185A (fr)
DE882416C (de) 1953-07-09
GB449242A (en) 1936-06-18

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