FR45431E - Improvements to transmission systems - Google Patents

Improvements to transmission systems

Info

Publication number
FR45431E
FR45431E FR45431DA FR45431E FR 45431 E FR45431 E FR 45431E FR 45431D A FR45431D A FR 45431DA FR 45431 E FR45431 E FR 45431E
Authority
FR
France
Prior art keywords
transmission systems
systems
transmission
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR45431E publication Critical patent/FR45431E/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
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR45431D 1932-09-30 1934-09-20 Improvements to transmission systems Expired FR45431E (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US635525A US2002499A (en) 1932-09-30 1932-09-30 Wave translation system
US690283A US2017180A (en) 1932-09-30 1933-09-20 Communication amplifier with feed-back
GB24440/34A GB430461A (en) 1932-09-30 1934-08-24 Amplifying systems for electric waves

Publications (1)

Publication Number Publication Date
FR45431E true FR45431E (en) 1935-09-04

Family

ID=10211765

Family Applications (2)

Application Number Title Priority Date Filing Date
FR762210D Expired FR762210A (en) 1932-09-30 1933-09-27 Improvements to transmission systems
FR45431D Expired FR45431E (en) 1932-09-30 1934-09-20 Improvements to transmission systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR762210D Expired FR762210A (en) 1932-09-30 1933-09-27 Improvements to transmission systems

Country Status (5)

Country Link
US (2) US2002499A (en)
CH (1) CH183822A (en)
FR (2) FR762210A (en)
GB (1) GB430461A (en)
NL (1) NL41083C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615997A (en) * 1946-12-13 1952-10-28 Kellogg Switchboard & Supply Telephone repeater
US2629024A (en) * 1950-12-29 1953-02-17 Bell Telephone Labor Inc Unbalanced-to-ground two-to-fourwire connection
GB987885A (en) * 1962-02-15 1965-03-31 Ass Elect Ind Improvements in and relating to amplifier feed-back circuits

Also Published As

Publication number Publication date
GB430461A (en) 1935-06-19
NL41083C (en) 1937-07-15
FR762210A (en) 1934-04-06
CH183822A (en) 1936-04-30
US2002499A (en) 1935-05-28
US2017180A (en) 1935-10-15

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