GB434496A - Improvements in or relating to television and like receiving systems - Google Patents

Improvements in or relating to television and like receiving systems

Info

Publication number
GB434496A
GB434496A GB6510/34A GB651034A GB434496A GB 434496 A GB434496 A GB 434496A GB 6510/34 A GB6510/34 A GB 6510/34A GB 651034 A GB651034 A GB 651034A GB 434496 A GB434496 A GB 434496A
Authority
GB
United Kingdom
Prior art keywords
valve
grid
impulses
synchronizing
cathode
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
GB6510/34A
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.)
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
Publication of GB434496A publication Critical patent/GB434496A/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
    • H04N5/14—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Particle Accelerators (AREA)
GB6510/34A 1933-02-28 1934-02-28 Improvements in or relating to television and like receiving systems Expired GB434496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US658894A US2251677A (en) 1933-02-28 1933-02-28 Television system

Publications (1)

Publication Number Publication Date
GB434496A true GB434496A (en) 1935-08-28

Family

ID=24643154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6510/34A Expired GB434496A (en) 1933-02-28 1934-02-28 Improvements in or relating to television and like receiving systems

Country Status (5)

Country Link
US (1) US2251677A (fr)
BE (1) BE401713A (fr)
DE (1) DE767750C (fr)
FR (1) FR768993A (fr)
GB (1) GB434496A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752761C (de) * 1935-11-02 1954-02-08 Telefunken Gmbh Verfahren zur Schwundregelung der Ausgangsamplitude des Verstaerkers fuer den Empfang von Fernsehsendungen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE411185A (fr) * 1934-09-18
BE411923A (fr) * 1934-10-26
US2418127A (en) * 1942-12-01 1947-04-01 Standard Telephones Cables Ltd Filter system
US2448027A (en) * 1943-11-23 1948-08-31 Standard Telephones Cables Ltd Static reducing pulse receiver
US2505367A (en) * 1948-05-21 1950-04-25 Rca Corp Television receiver brightness and contrast control
US2727942A (en) * 1950-05-11 1955-12-20 Don Lee Division Of General Te Television synchronizing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR742855A (fr) * 1933-03-18
DE575775C (de) * 1927-04-21 1933-05-03 Siemens & Halske Akt Ges Einrichtung zur selbsttaetigen Regelung des Wirkungsgrades von UEbertragungssystemen, insbesondere fuer Bildtelegraphie
US1849818A (en) * 1930-09-19 1932-03-15 Gen Electric Picture transmission
FR742835A (fr) * 1931-09-16 1933-03-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752761C (de) * 1935-11-02 1954-02-08 Telefunken Gmbh Verfahren zur Schwundregelung der Ausgangsamplitude des Verstaerkers fuer den Empfang von Fernsehsendungen

Also Published As

Publication number Publication date
BE401713A (fr)
FR768993A (fr) 1934-08-17
US2251677A (en) 1941-08-05
DE767750C (de) 1953-07-06

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