FR999880A - Speakerphone enhancements - Google Patents

Speakerphone enhancements

Info

Publication number
FR999880A
FR999880A FR999880DA FR999880A FR 999880 A FR999880 A FR 999880A FR 999880D A FR999880D A FR 999880DA FR 999880 A FR999880 A FR 999880A
Authority
FR
France
Prior art keywords
speakerphone
enhancements
speakerphone enhancements
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
Roger-Louis Declercq
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 FR999880A publication Critical patent/FR999880A/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)
FR999880D 1946-01-23 1946-01-23 Speakerphone enhancements Expired FR999880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999880T 1946-01-23

Publications (1)

Publication Number Publication Date
FR999880A true FR999880A (en) 1952-02-05

Family

ID=9559995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999880D Expired FR999880A (en) 1946-01-23 1946-01-23 Speakerphone enhancements

Country Status (1)

Country Link
FR (1) FR999880A (en)

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