FR1041234A - Perfectionnements aux couplages entre étages pour appareils de télévision et analogues - Google Patents

Perfectionnements aux couplages entre étages pour appareils de télévision et analogues

Info

Publication number
FR1041234A
FR1041234A FR1041234DA FR1041234A FR 1041234 A FR1041234 A FR 1041234A FR 1041234D A FR1041234D A FR 1041234DA FR 1041234 A FR1041234 A FR 1041234A
Authority
FR
France
Prior art keywords
inter
television sets
stage couplings
couplings
stage
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)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1041234A publication Critical patent/FR1041234A/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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Synchronizing For Television (AREA)
FR1041234D 1950-08-22 1951-08-21 Perfectionnements aux couplages entre étages pour appareils de télévision et analogues Expired FR1041234A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB313889X 1950-08-22
GB300551X 1951-05-30

Publications (1)

Publication Number Publication Date
FR1041234A true FR1041234A (fr) 1953-10-21

Family

ID=26260241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1041234D Expired FR1041234A (fr) 1950-08-22 1951-08-21 Perfectionnements aux couplages entre étages pour appareils de télévision et analogues

Country Status (6)

Country Link
US (1) US2680149A (instruction)
CH (1) CH313889A (instruction)
DE (1) DE954966C (instruction)
FR (1) FR1041234A (instruction)
GB (1) GB731662A (instruction)
NL (1) NL84425C (instruction)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979697A (en) * 1954-11-17 1961-04-11 Sperry Rand Corp Delay element and circuits embodying the same
NL94889C (instruction) * 1956-09-27

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294341A (en) * 1939-06-08 1942-08-25 Philco Radio & Television Corp Synchronizing circuit and the like
US2466959A (en) * 1944-09-30 1949-04-12 Philco Corp Radio receiver noise discriminating circuit
NL76844C (instruction) * 1945-07-14
US2515763A (en) * 1948-10-22 1950-07-18 Gen Electric Direct current restoration circuit for television
US2598929A (en) * 1949-12-15 1952-06-03 Philco Corp Direct current reinsertion circuit

Also Published As

Publication number Publication date
DE954966C (de) 1956-12-27
GB731662A (en) 1955-06-15
US2680149A (en) 1954-06-01
NL84425C (instruction)
CH313889A (fr) 1956-05-15

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