FR966465A - Perfectionnements aux téléphones à haut-parleurs - Google Patents

Perfectionnements aux téléphones à haut-parleurs

Info

Publication number
FR966465A
FR966465A FR966465DA FR966465A FR 966465 A FR966465 A FR 966465A FR 966465D A FR966465D A FR 966465DA FR 966465 A FR966465 A FR 966465A
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
English (en)
Inventor
Guy Lambert
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.)
SCINTEL
Original Assignee
SCINTEL
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 SCINTEL filed Critical SCINTEL
Application granted granted Critical
Publication of FR966465A publication Critical patent/FR966465A/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
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR966465D 1948-05-08 1948-05-08 Perfectionnements aux téléphones à haut-parleurs Expired FR966465A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR966465T 1948-05-08

Publications (1)

Publication Number Publication Date
FR966465A true FR966465A (fr) 1950-10-11

Family

ID=9499999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966465D Expired FR966465A (fr) 1948-05-08 1948-05-08 Perfectionnements aux téléphones à haut-parleurs

Country Status (1)

Country Link
FR (1) FR966465A (fr)

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