GB759568A - Improvements in or relating to level-control circuits for level-control in accordance with a pilot signal - Google Patents

Improvements in or relating to level-control circuits for level-control in accordance with a pilot signal

Info

Publication number
GB759568A
GB759568A GB21821/54A GB2182154A GB759568A GB 759568 A GB759568 A GB 759568A GB 21821/54 A GB21821/54 A GB 21821/54A GB 2182154 A GB2182154 A GB 2182154A GB 759568 A GB759568 A GB 759568A
Authority
GB
United Kingdom
Prior art keywords
attenuator
level
control
pilot
transformer
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
GB21821/54A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB759568A publication Critical patent/GB759568A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
GB21821/54A 1953-07-24 1954-07-26 Improvements in or relating to level-control circuits for level-control in accordance with a pilot signal Expired GB759568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL759568X 1953-07-24

Publications (1)

Publication Number Publication Date
GB759568A true GB759568A (en) 1956-10-17

Family

ID=19825383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21821/54A Expired GB759568A (en) 1953-07-24 1954-07-26 Improvements in or relating to level-control circuits for level-control in accordance with a pilot signal

Country Status (5)

Country Link
BE (1) BE530593A (en, 2012)
DE (1) DE956695C (en, 2012)
FR (1) FR1109298A (en, 2012)
GB (1) GB759568A (en, 2012)
NL (2) NL180125B (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL162278C (nl) * 1971-03-27 1980-04-15 Philips Nv Lijnversterker.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899372C (de) * 1941-05-15 1953-12-10 Siemens Ag Verstaerker mit Laengsentzerrer

Also Published As

Publication number Publication date
BE530593A (en, 2012)
NL97462C (en, 2012)
FR1109298A (fr) 1956-01-24
DE956695C (de) 1957-01-24
NL180125B (nl)

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