GB363605A - Improvements in or relating to sending and receiving synchronised systems for television, telecinematography, telemechanical devices and other applications - Google Patents

Improvements in or relating to sending and receiving synchronised systems for television, telecinematography, telemechanical devices and other applications

Info

Publication number
GB363605A
GB363605A GB14291/31A GB1429131A GB363605A GB 363605 A GB363605 A GB 363605A GB 14291/31 A GB14291/31 A GB 14291/31A GB 1429131 A GB1429131 A GB 1429131A GB 363605 A GB363605 A GB 363605A
Authority
GB
United Kingdom
Prior art keywords
valve
signals
resistance
grid
circuit
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
GB14291/31A
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Publication of GB363605A publication Critical patent/GB363605A/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
    • 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)
  • Television Receiver Circuits (AREA)
  • Secondary Cells (AREA)
  • Hybrid Cells (AREA)
  • Luminescent Compositions (AREA)
GB14291/31A 1930-05-21 1931-05-14 Improvements in or relating to sending and receiving synchronised systems for television, telecinematography, telemechanical devices and other applications Expired GB363605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR579664X 1930-05-21

Publications (1)

Publication Number Publication Date
GB363605A true GB363605A (en) 1931-12-24

Family

ID=8956285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14291/31A Expired GB363605A (en) 1930-05-21 1931-05-14 Improvements in or relating to sending and receiving synchronised systems for television, telecinematography, telemechanical devices and other applications

Country Status (5)

Country Link
US (1) US1940161A (fr)
DE (1) DE579664C (fr)
FR (5) FR711446A (fr)
GB (1) GB363605A (fr)
NL (1) NL48119C (fr)

Cited By (1)

* 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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967256C (de) * 1933-02-10 1957-10-31 Emi Ltd Schaltungsanordnung zur Gewinnung der einen bestimmten Mindestwert ueberschreitenden Amplituden eines Synchronimpulses
BE401738A (fr) * 1933-03-01
DE756008C (de) * 1933-05-20 1954-11-22 Opta Radio A G Anordnung zur Aussiebung der Synchronisierimpulse und zur Regelung des Verstaerkungsgrades
US2178234A (en) * 1934-02-28 1939-10-31 Rca Corp Television system
DE748742C (de) * 1934-07-31 1944-11-09 Fernsehsendeverfahren, bei dem die Bildmodulation von der einen Seite und die Bildwechsel-Synchronisierimpulse von der anderen Seite eines festgelegten Wertes (Schwarzwert bzw. Wert groesster Helligkeit) aus gegeben Werden
BE411185A (fr) * 1934-09-18
GB450675A (en) * 1934-11-19 1936-07-20 Cecil Oswald Browne Improvements in or relating to television and the like transmitting systems
DE972011C (de) * 1935-06-12 1959-05-06 Fernseh Gmbh Doppelseitiges Amplitudensieb
BE422316A (fr) * 1936-07-05
DE766547C (de) * 1936-11-12 1954-08-09 Fernseh Gmbh Schaltung mit veraenderlichem Verstaerkungsgrad zur Verstaerkung von Bildzeichen
DE959375C (de) * 1937-07-22 1957-03-07 Telefunken Gmbh Schaltungsanordnung zur Synchronisierung eines Vorganges mittels Impulsen, insbesondere fuer Fernsehzwecke
US2240507A (en) * 1938-10-05 1941-05-06 Hazeltine Corp Television synchronizing and control system
DE751692C (de) * 1941-02-27 1953-12-21 Lorenz C Ag Messverfahren, insbesondere fuer Breitbandkabel
DE975765C (de) * 1941-12-13 1962-08-23 Philips Nv Vorrichtung zum Empfang von mit Hilfe von Impulsen konstanter Amplitude uebertragenen Signalen
NL74381C (fr) * 1944-07-13
US2577355A (en) * 1944-12-09 1951-12-04 Bell Telephone Labor Inc Pulse forming and shaping circuits
DE977647C (de) * 1950-07-21 1967-11-30 Aga Ab Vorrichtung zur Abtrennung der Synchronimpulse bei einem Fernsehempfangsgeraet
US2698358A (en) * 1950-11-30 1954-12-28 Rca Corp Video amplifier control by combined a. g. c. and d. c. voltages
DE959113C (de) * 1951-06-16 1957-02-28 Interessengemeinschaft Fuer Ru Schaltung zur Abtrennung von Synchronisierimpulsen aus einem Signalgemisch mit Hilfe einer vorgespannten Diode
DE1168950B (de) * 1956-04-13 1964-04-30 Loewe Opta Ag Schaltungsanordnung zur Stoerunterdrueckung bei der Abtrennung der Synchronisierimpulse in der als Mehrgitterroehre ausgebildeten Amplituden-siebroehre eines Fernsehempfangers
GB933262A (en) * 1959-03-26 1963-08-08 Int Computers & Tabulators Ltd Improvements in or relating to amplitude selection circuit

Cited By (1)

* 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

Also Published As

Publication number Publication date
FR40289E (fr) 1932-06-08
FR40750E (fr) 1932-08-22
FR39944E (fr) 1932-03-19
NL48119C (fr)
FR711446A (fr) 1931-09-09
US1940161A (en) 1933-12-19
FR49468E (fr) 1939-05-01
DE579664C (de) 1933-07-01

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