GB537944A - Improvements in or relating to signalling systems - Google Patents

Improvements in or relating to signalling systems

Info

Publication number
GB537944A
GB537944A GB9813/40A GB981340A GB537944A GB 537944 A GB537944 A GB 537944A GB 9813/40 A GB9813/40 A GB 9813/40A GB 981340 A GB981340 A GB 981340A GB 537944 A GB537944 A GB 537944A
Authority
GB
United Kingdom
Prior art keywords
impulses
amplifier
determined
gain
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
GB9813/40A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB537944A publication Critical patent/GB537944A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB9813/40A 1939-07-15 1940-06-05 Improvements in or relating to signalling systems Expired GB537944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US284584A US2213034A (en) 1939-07-15 1939-07-15 Gain control circuits

Publications (1)

Publication Number Publication Date
GB537944A true GB537944A (en) 1941-07-14

Family

ID=23090738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9813/40A Expired GB537944A (en) 1939-07-15 1940-06-05 Improvements in or relating to signalling systems

Country Status (5)

Country Link
US (1) US2213034A (en:Method)
BE (1) BE442895A (en:Method)
FR (1) FR866460A (en:Method)
GB (1) GB537944A (en:Method)
NL (1) NL63644C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533253A (en) * 1945-09-17 1950-12-12 Royal V Howard Automatic regulating system and peak limiter
US2713620A (en) * 1949-04-29 1955-07-19 Phillips Petroleum Co Automatic volume control system

Also Published As

Publication number Publication date
BE442895A (en:Method)
US2213034A (en) 1940-08-27
FR866460A (fr) 1941-08-14
NL63644C (en:Method)

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