FR998946A - Improvements to demodulation setups - Google Patents

Improvements to demodulation setups

Info

Publication number
FR998946A
FR998946A FR998946DA FR998946A FR 998946 A FR998946 A FR 998946A FR 998946D A FR998946D A FR 998946DA FR 998946 A FR998946 A FR 998946A
Authority
FR
France
Prior art keywords
setups
demodulation
demodulation setups
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
Other languages
French (fr)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR998946A publication Critical patent/FR998946A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry 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)
  • Transmitters (AREA)
FR998946D 1948-11-22 1949-11-05 Improvements to demodulation setups Expired FR998946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3033048A GB663874A (en) 1948-11-22 1948-11-22 Improvements in or relating to demodulating circuit arrangements

Publications (1)

Publication Number Publication Date
FR998946A true FR998946A (en) 1952-01-24

Family

ID=10305927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998946D Expired FR998946A (en) 1948-11-22 1949-11-05 Improvements to demodulation setups

Country Status (2)

Country Link
FR (1) FR998946A (en)
GB (1) GB663874A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000475B (en) * 1952-09-26 1957-01-10 Siemens Ag Arrangement for converting phase-modulated pulses into length-modulated pulses in time-division multiplex communication systems with a variable number of channels

Also Published As

Publication number Publication date
GB663874A (en) 1951-12-27

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