GB406672A - Improvements in or relating to electro-optical image producing systems, such as television systems - Google Patents

Improvements in or relating to electro-optical image producing systems, such as television systems

Info

Publication number
GB406672A
GB406672A GB24286/32A GB2428632A GB406672A GB 406672 A GB406672 A GB 406672A GB 24286/32 A GB24286/32 A GB 24286/32A GB 2428632 A GB2428632 A GB 2428632A GB 406672 A GB406672 A GB 406672A
Authority
GB
United Kingdom
Prior art keywords
condenser
rectifier
scanning
television
systems
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
GB24286/32A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB406672A publication Critical patent/GB406672A/en
Priority claimed from US99023A external-priority patent/US2274709A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Lasers (AREA)
  • Picture Signal Circuits (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Measurement Of Radiation (AREA)
GB24286/32A 1931-09-16 1932-08-31 Improvements in or relating to electro-optical image producing systems, such as television systems Expired GB406672A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US563016A US2274686A (en) 1931-09-16 1931-09-16 Electro-optical system
US99023A US2274709A (en) 1936-09-02 1936-09-02 Electro-optical image production

Publications (1)

Publication Number Publication Date
GB406672A true GB406672A (en) 1934-02-28

Family

ID=26795407

Family Applications (2)

Application Number Title Priority Date Filing Date
GB24286/32A Expired GB406672A (en) 1931-09-16 1932-08-31 Improvements in or relating to electro-optical image producing systems, such as television systems
GB23379/37A Expired GB483451A (en) 1931-09-16 1937-08-26 Improvements in or relating to electro-optical image producing systems, such as television systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB23379/37A Expired GB483451A (en) 1931-09-16 1937-08-26 Improvements in or relating to electro-optical image producing systems, such as television systems

Country Status (4)

Country Link
US (1) US2274686A (enrdf_load_stackoverflow)
DE (1) DE628663C (enrdf_load_stackoverflow)
FR (2) FR48747E (enrdf_load_stackoverflow)
GB (2) GB406672A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705740A (en) * 1949-12-14 1955-04-05 Zenith Radio Corp Subscription type signalling system
DE939510C (de) * 1933-04-13 1956-03-15 Emi Ltd Schaltungsanordnung zur Wiedereinfuehrung der bei der UEbertragung verlorengegangenen Gleichstromkomponente in das Bildsignalgemisch in Fernsehsystemen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE401713A (enrdf_load_stackoverflow) * 1933-02-28
BE401738A (enrdf_load_stackoverflow) * 1933-03-01
BE411185A (enrdf_load_stackoverflow) * 1934-09-18
DE753789C (de) * 1935-03-09 1952-11-17 Siemens & Halske A G Schaltungsanordnung zur Beeinflussung von Einschwing- und Abklingzeit eines elektrischen Stromkreises
DE741785C (de) * 1937-11-29 1943-11-17 Fernseh Gmbh Verfahren zur UEbertragung von Fernsehbildern, deren Helligkeitsumfang geringer ist als der zur Verfuegung stehende Modulationsbereich
US2476349A (en) * 1944-09-04 1949-07-19 Hartford Nat Bank & Trust Comp Phase or frequency modulation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939510C (de) * 1933-04-13 1956-03-15 Emi Ltd Schaltungsanordnung zur Wiedereinfuehrung der bei der UEbertragung verlorengegangenen Gleichstromkomponente in das Bildsignalgemisch in Fernsehsystemen
US2705740A (en) * 1949-12-14 1955-04-05 Zenith Radio Corp Subscription type signalling system

Also Published As

Publication number Publication date
FR48747E (fr) 1938-06-21
FR742835A (enrdf_load_stackoverflow) 1933-03-17
DE628663C (de) 1936-04-08
US2274686A (en) 1942-03-03
GB483451A (en) 1938-04-20

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