FR935279A - Development of speakerphone telephony devices - Google Patents

Development of speakerphone telephony devices

Info

Publication number
FR935279A
FR935279A FR935279DA FR935279A FR 935279 A FR935279 A FR 935279A FR 935279D A FR935279D A FR 935279DA FR 935279 A FR935279 A FR 935279A
Authority
FR
France
Prior art keywords
speakerphone
development
telephony devices
telephony
devices
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 FR935279A publication Critical patent/FR935279A/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)
FR935279D 1946-10-22 1946-10-22 Development of speakerphone telephony devices Expired FR935279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR935279T 1946-10-22

Publications (1)

Publication Number Publication Date
FR935279A true FR935279A (en) 1948-06-15

Family

ID=9456663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935279D Expired FR935279A (en) 1946-10-22 1946-10-22 Development of speakerphone telephony devices

Country Status (1)

Country Link
FR (1) FR935279A (en)

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