FR948845A - Improvements to speakerphone systems - Google Patents

Improvements to speakerphone systems

Info

Publication number
FR948845A
FR948845A FR948845DA FR948845A FR 948845 A FR948845 A FR 948845A FR 948845D A FR948845D A FR 948845DA FR 948845 A FR948845 A FR 948845A
Authority
FR
France
Prior art keywords
speakerphone systems
speakerphone
systems
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
Henri Tamalet
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.)
TELEPHONES PICART LEBAS Ste
Original Assignee
TELEPHONES PICART LEBAS Ste
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 TELEPHONES PICART LEBAS Ste filed Critical TELEPHONES PICART LEBAS Ste
Application granted granted Critical
Publication of FR948845A publication Critical patent/FR948845A/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
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR948845D 1947-06-20 1947-06-20 Improvements to speakerphone systems Expired FR948845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR948845T 1947-06-20

Publications (1)

Publication Number Publication Date
FR948845A true FR948845A (en) 1949-08-11

Family

ID=9474251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948845D Expired FR948845A (en) 1947-06-20 1947-06-20 Improvements to speakerphone systems

Country Status (1)

Country Link
FR (1) FR948845A (en)

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