GB502098A - Improvements in and relating to picture transmission, television and the like - Google Patents

Improvements in and relating to picture transmission, television and the like

Info

Publication number
GB502098A
GB502098A GB2472237A GB2472237A GB502098A GB 502098 A GB502098 A GB 502098A GB 2472237 A GB2472237 A GB 2472237A GB 2472237 A GB2472237 A GB 2472237A GB 502098 A GB502098 A GB 502098A
Authority
GB
United Kingdom
Prior art keywords
signal
normal
carrier
television
reversed
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
GB2472237A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to NL67472D priority Critical patent/NL67472C/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2472237A priority patent/GB502098A/en
Priority to FR843210D priority patent/FR843210A/fr
Publication of GB502098A publication Critical patent/GB502098A/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
    • H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
GB2472237A 1937-09-10 1937-09-10 Improvements in and relating to picture transmission, television and the like Expired GB502098A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL67472D NL67472C (OSRAM) 1937-09-10
GB2472237A GB502098A (en) 1937-09-10 1937-09-10 Improvements in and relating to picture transmission, television and the like
FR843210D FR843210A (fr) 1937-09-10 1938-09-09 Systèmes de transmission d'images, de télévision et analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2472237A GB502098A (en) 1937-09-10 1937-09-10 Improvements in and relating to picture transmission, television and the like

Publications (1)

Publication Number Publication Date
GB502098A true GB502098A (en) 1939-03-10

Family

ID=10216227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2472237A Expired GB502098A (en) 1937-09-10 1937-09-10 Improvements in and relating to picture transmission, television and the like

Country Status (3)

Country Link
FR (1) FR843210A (OSRAM)
GB (1) GB502098A (OSRAM)
NL (1) NL67472C (OSRAM)

Also Published As

Publication number Publication date
NL67472C (OSRAM)
FR843210A (fr) 1939-06-28

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