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FR1079329A - Mounting for maintaining a constant value of the black level in television transmitters and receivers - Google Patents

Mounting for maintaining a constant value of the black level in television transmitters and receivers

Info

Publication number
FR1079329A
FR1079329A FR1079329DA FR1079329A FR 1079329 A FR1079329 A FR 1079329A FR 1079329D A FR1079329D A FR 1079329DA FR 1079329 A FR1079329 A FR 1079329A
Authority
FR
France
Prior art keywords
receivers
maintaining
mounting
constant value
black level
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
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR1079329A publication Critical patent/FR1079329A/en
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
FR1079329D 1952-05-15 1953-05-12 Mounting for maintaining a constant value of the black level in television transmitters and receivers Expired FR1079329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE761438X 1952-05-15

Publications (1)

Publication Number Publication Date
FR1079329A true FR1079329A (en) 1954-11-29

Family

ID=6665142

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1079329D Expired FR1079329A (en) 1952-05-15 1953-05-12 Mounting for maintaining a constant value of the black level in television transmitters and receivers

Country Status (4)

Country Link
BE (1) BE519883A (en)
FR (1) FR1079329A (en)
GB (1) GB761438A (en)
NL (1) NL178310B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444383A2 (en) * 1977-09-13 1980-07-11 France Etat VDU for radar installation - transmits data to video tape recorder and derives pulses from oscillator to mix with video and synchronising pulses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444383A2 (en) * 1977-09-13 1980-07-11 France Etat VDU for radar installation - transmits data to video tape recorder and derives pulses from oscillator to mix with video and synchronising pulses

Also Published As

Publication number Publication date
NL178310B (en)
BE519883A (en)
GB761438A (en) 1956-11-14

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