FR1029563A - Amplificateur à valve thermionique - Google Patents

Amplificateur à valve thermionique

Info

Publication number
FR1029563A
FR1029563A FR1029563DA FR1029563A FR 1029563 A FR1029563 A FR 1029563A FR 1029563D A FR1029563D A FR 1029563DA FR 1029563 A FR1029563 A FR 1029563A
Authority
FR
France
Prior art keywords
thermionic valve
valve amplifier
amplifier
thermionic
valve
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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.)
Filing date
Publication date
Application filed by General Electric Company PLC filed Critical General Electric Company PLC
Application granted granted Critical
Publication of FR1029563A publication Critical patent/FR1029563A/fr
Expired legal-status Critical Current

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
    • H04N5/165—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)
FR1029563D 1949-07-22 1950-07-21 Amplificateur à valve thermionique Expired FR1029563A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1937949A GB668197A (en) 1949-07-22 1949-07-22 Improvements in or relating to thermionic valve amplifiers suitable for television apparatus

Publications (1)

Publication Number Publication Date
FR1029563A true FR1029563A (fr) 1953-06-03

Family

ID=10128373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1029563D Expired FR1029563A (fr) 1949-07-22 1950-07-21 Amplificateur à valve thermionique

Country Status (2)

Country Link
FR (1) FR1029563A (fr)
GB (1) GB668197A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2705520B1 (fr) * 1993-05-19 1995-08-04 Sgs Thomson Microelectronics Dispositif d'ajustement du niveau du noir d'un signal vidéo.

Also Published As

Publication number Publication date
GB668197A (en) 1952-03-12

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