FR724623A - Reversible amplifier device - Google Patents

Reversible amplifier device

Info

Publication number
FR724623A
FR724623A FR724623DA FR724623A FR 724623 A FR724623 A FR 724623A FR 724623D A FR724623D A FR 724623DA FR 724623 A FR724623 A FR 724623A
Authority
FR
France
Prior art keywords
amplifier device
reversible amplifier
reversible
amplifier
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.)
SOC ET LIAISONS TELEPHONIQUES
Original Assignee
SOC ET LIAISONS TELEPHONIQUES
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 SOC ET LIAISONS TELEPHONIQUES filed Critical SOC ET LIAISONS TELEPHONIQUES
Application granted granted Critical
Publication of FR724623A publication Critical patent/FR724623A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR724623D 1931-10-16 1931-10-16 Reversible amplifier device Expired FR724623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724623T 1931-10-16

Publications (1)

Publication Number Publication Date
FR724623A true FR724623A (en) 1932-04-29

Family

ID=9109278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724623D Expired FR724623A (en) 1931-10-16 1931-10-16 Reversible amplifier device

Country Status (1)

Country Link
FR (1) FR724623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748295C (en) * 1937-03-25 1944-11-01 Arrangement for determining the traffic direction in a transmission line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748295C (en) * 1937-03-25 1944-11-01 Arrangement for determining the traffic direction in a transmission line

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