FR2186178A5 - - Google Patents

Info

Publication number
FR2186178A5
FR2186178A5 FR7218701A FR7218701A FR2186178A5 FR 2186178 A5 FR2186178 A5 FR 2186178A5 FR 7218701 A FR7218701 A FR 7218701A FR 7218701 A FR7218701 A FR 7218701A FR 2186178 A5 FR2186178 A5 FR 2186178A5
Authority
FR
France
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
FR7218701A
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT 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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7218701A priority Critical patent/FR2186178A5/fr
Application granted granted Critical
Publication of FR2186178A5 publication Critical patent/FR2186178A5/fr
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
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR7218701A 1972-05-25 1972-05-25 Expired FR2186178A5 (hu)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7218701A FR2186178A5 (hu) 1972-05-25 1972-05-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7218701A FR2186178A5 (hu) 1972-05-25 1972-05-25

Publications (1)

Publication Number Publication Date
FR2186178A5 true FR2186178A5 (hu) 1974-01-04

Family

ID=9099103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7218701A Expired FR2186178A5 (hu) 1972-05-25 1972-05-25

Country Status (1)

Country Link
FR (1) FR2186178A5 (hu)

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Legal Events

Date Code Title Description
ST Notification of lapse