FR982578A - Amplified bilateral telephone link device - Google Patents

Amplified bilateral telephone link device

Info

Publication number
FR982578A
FR982578A FR982578DA FR982578A FR 982578 A FR982578 A FR 982578A FR 982578D A FR982578D A FR 982578DA FR 982578 A FR982578 A FR 982578A
Authority
FR
France
Prior art keywords
amplified
link device
telephone link
bilateral telephone
bilateral
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)
Inventor
Lucien Petitetienne
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 filed Critical
Application granted granted Critical
Publication of FR982578A publication Critical patent/FR982578A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR982578D 1943-07-21 1943-07-21 Amplified bilateral telephone link device Expired FR982578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982578T 1943-07-21

Publications (1)

Publication Number Publication Date
FR982578A true FR982578A (en) 1951-06-12

Family

ID=9535483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982578D Expired FR982578A (en) 1943-07-21 1943-07-21 Amplified bilateral telephone link device

Country Status (1)

Country Link
FR (1) FR982578A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176072A (en) * 1960-04-21 1965-03-30 Muter Company Stereophonic reproduction system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176072A (en) * 1960-04-21 1965-03-30 Muter Company Stereophonic reproduction system

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