GB422906A - Improvements in and relating to signalling systems, such for example as television systems - Google Patents

Improvements in and relating to signalling systems, such for example as television systems

Info

Publication number
GB422906A
GB422906A GB11204/33A GB1120433A GB422906A GB 422906 A GB422906 A GB 422906A GB 11204/33 A GB11204/33 A GB 11204/33A GB 1120433 A GB1120433 A GB 1120433A GB 422906 A GB422906 A GB 422906A
Authority
GB
United Kingdom
Prior art keywords
resistance
synchronizing signals
condenser
grid
signals
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
GB11204/33A
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority claimed from GB1052234A external-priority patent/GB422824A/en
Priority claimed from US720205A external-priority patent/US2252746A/en
Publication of GB422906A publication Critical patent/GB422906A/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
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • 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)
  • Transforming Electric Information Into Light Information (AREA)
GB11204/33A 1933-04-13 1933-04-13 Improvements in and relating to signalling systems, such for example as television systems Expired GB422906A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1052234A GB422824A (en) 1933-04-13 1933-04-13 Improvements in and relating to signalling systems, such for example as television systems
US720205A US2252746A (en) 1933-04-13 1934-04-12 Television device
US376827A US2307249A (en) 1933-04-13 1941-01-31 Television device

Publications (1)

Publication Number Publication Date
GB422906A true GB422906A (en) 1935-01-14

Family

ID=32096628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11204/33A Expired GB422906A (en) 1933-04-13 1933-04-13 Improvements in and relating to signalling systems, such for example as television systems

Country Status (5)

Country Link
US (1) US2307249A (enrdf_load_stackoverflow)
BE (1) BE402568A (enrdf_load_stackoverflow)
DE (1) DE939510C (enrdf_load_stackoverflow)
FR (1) FR771789A (enrdf_load_stackoverflow)
GB (1) GB422906A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753789C (de) * 1935-03-09 1952-11-17 Siemens & Halske A G Schaltungsanordnung zur Beeinflussung von Einschwing- und Abklingzeit eines elektrischen Stromkreises
DE766547C (de) * 1936-11-12 1954-08-09 Fernseh Gmbh Schaltung mit veraenderlichem Verstaerkungsgrad zur Verstaerkung von Bildzeichen
DE972987C (de) * 1953-02-21 1959-11-19 L Outil Rbv Et De La Radio Ind Schaltungsanordnung zur Filmaufzeichnung von Fernsehbildern

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE465736A (enrdf_load_stackoverflow) * 1943-01-07
US2426654A (en) * 1943-05-25 1947-09-02 Sperry Gyroscope Co Inc Remote indicator for radio pulse systems
US2543037A (en) * 1946-01-07 1951-02-27 Farnsworth Res Corp Television receiver
US2708687A (en) * 1949-05-10 1955-05-17 Motorola Inc Combined direct current reinserter and synchronizing pulse separator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2037471A (en) * 1927-04-06 1936-04-14 Bell Telephone Labor Inc Electrooptical system
US1671302A (en) * 1927-05-31 1928-05-29 Bell Telephone Labor Inc Electrooptical transmission
NL48119C (enrdf_load_stackoverflow) * 1930-05-21
FR742835A (enrdf_load_stackoverflow) * 1931-09-16 1933-03-17
FR741301A (enrdf_load_stackoverflow) * 1931-09-18 1900-01-01
BE395907A (enrdf_load_stackoverflow) * 1931-09-26
DE742835C (de) * 1941-10-28 1943-12-13 Joseph Huber Dr Ing Mechanischer Energiespeicher fuer Fahrzeuge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753789C (de) * 1935-03-09 1952-11-17 Siemens & Halske A G Schaltungsanordnung zur Beeinflussung von Einschwing- und Abklingzeit eines elektrischen Stromkreises
DE766547C (de) * 1936-11-12 1954-08-09 Fernseh Gmbh Schaltung mit veraenderlichem Verstaerkungsgrad zur Verstaerkung von Bildzeichen
DE972987C (de) * 1953-02-21 1959-11-19 L Outil Rbv Et De La Radio Ind Schaltungsanordnung zur Filmaufzeichnung von Fernsehbildern

Also Published As

Publication number Publication date
DE939510C (de) 1956-03-15
BE402568A (enrdf_load_stackoverflow)
US2307249A (en) 1943-01-05
FR771789A (fr) 1934-10-16

Similar Documents

Publication Publication Date Title
GB515362A (en) Improvements in or relating to the transmission of electrical signals having a direct current component
GB489231A (en) Improvements in or relating to television systems
GB471737A (en) Improvements in and relating to electric oscillation generators
US2985836A (en) Slicing circuits
GB422906A (en) Improvements in and relating to signalling systems, such for example as television systems
GB419441A (en) Improvements in or relating to television and the like systems
US2240281A (en) Automatic background control
GB699539A (en) Improvements in or relating to arrangements for modulating electric carrier wave oscillations
US2585890A (en) Delay-action filter circuit
US2442304A (en) Pulse keying circuit
US2283415A (en) Signaling system
GB532597A (en) Improvements in telephony
US2175335A (en) Television synchronizing circuits
US2424560A (en) Visual course indicator for radio directive systems
US2307834A (en) Signaling system
GB521984A (en) Improvements in apparatus for receiving television
US2668248A (en) Pulse widening apparatus
GB427941A (en) Improvements in the elimination of parasites in the reception of radio-electric transmission
GB375346A (en) Improvements in audio frequency signalling systems
GB515427A (en) Improvements in or relating to television and like systems
GB436856A (en) Improvements in and relating to radio receivers
GB749487A (en) Improvements in and relating to automatic vision gain control for television receivers and like apparatus
GB427508A (en) Improvements in and relating to carrier wave signalling systems
GB413544A (en) Improvements in or relating to thermionic valve circuit arrangements
GB520709A (en) Improvements in synchronising signal separating arrangements for electrical picture transmission systems