GB535413A - Television video-frequency signal-translating system - Google Patents

Television video-frequency signal-translating system

Info

Publication number
GB535413A
GB535413A GB22870/39A GB2287039A GB535413A GB 535413 A GB535413 A GB 535413A GB 22870/39 A GB22870/39 A GB 22870/39A GB 2287039 A GB2287039 A GB 2287039A GB 535413 A GB535413 A GB 535413A
Authority
GB
United Kingdom
Prior art keywords
valve
amplitude
valves
amplitude range
resistance
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
GB22870/39A
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB535413A publication Critical patent/GB535413A/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
    • H04N5/20—Circuitry for controlling amplitude response
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
    • H03G7/04—Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback
    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
GB22870/39A 1938-08-31 1939-08-08 Television video-frequency signal-translating system Expired GB535413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US227629A US2247512A (en) 1938-08-31 1938-08-31 Television video-frequency signaltranslating system

Publications (1)

Publication Number Publication Date
GB535413A true GB535413A (en) 1941-04-09

Family

ID=22853842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22870/39A Expired GB535413A (en) 1938-08-31 1939-08-08 Television video-frequency signal-translating system

Country Status (4)

Country Link
US (1) US2247512A (enrdf_load_stackoverflow)
FR (1) FR859813A (enrdf_load_stackoverflow)
GB (1) GB535413A (enrdf_load_stackoverflow)
NL (1) NL65998C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956587C (de) * 1953-06-26 1957-01-24 Fernseh Gmbh Anordnung zur Gradationsentzerrung bei Fernsehsendeanlagen
DE1011784B (de) * 1954-12-08 1957-07-04 Eisenwerke Muelheim Meiderich Verfahren zum Beobachten, UEberwachen und Regeln der Schmelzvorgaenge in metallurgischen Schmelz- oder Sinteroefen
DE1088534B (de) * 1956-10-20 1960-09-08 Grundig Max Gradationsregler fuer Fernsehempfaenger

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594870A (en) * 1945-11-29 1952-04-29 Us Navy Indicator
US2552588A (en) * 1947-04-26 1951-05-15 Columbia Broadeasting System I Gamma control circuit
US2692299A (en) * 1948-12-11 1954-10-19 Westinghouse Electric Corp Image contrast intensifier
US2668188A (en) * 1949-12-19 1954-02-02 Rubert S Naslund Television gamma test method and apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956587C (de) * 1953-06-26 1957-01-24 Fernseh Gmbh Anordnung zur Gradationsentzerrung bei Fernsehsendeanlagen
DE1011784B (de) * 1954-12-08 1957-07-04 Eisenwerke Muelheim Meiderich Verfahren zum Beobachten, UEberwachen und Regeln der Schmelzvorgaenge in metallurgischen Schmelz- oder Sinteroefen
DE1088534B (de) * 1956-10-20 1960-09-08 Grundig Max Gradationsregler fuer Fernsehempfaenger

Also Published As

Publication number Publication date
US2247512A (en) 1941-07-01
NL65998C (enrdf_load_stackoverflow)
FR859813A (fr) 1940-12-30

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