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FR577666A - Combined lighting and telephone or radio-telephone reception device - Google Patents

Combined lighting and telephone or radio-telephone reception device

Info

Publication number
FR577666A
FR577666A FR577666DA FR577666A FR 577666 A FR577666 A FR 577666A FR 577666D A FR577666D A FR 577666DA FR 577666 A FR577666 A FR 577666A
Authority
FR
France
Prior art keywords
telephone
radio
reception device
combined lighting
lighting
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
Andre Garbarini
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 FR577666A publication Critical patent/FR577666A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR577666D 1923-04-30 1923-04-30 Combined lighting and telephone or radio-telephone reception device Expired FR577666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR577666T 1923-04-30

Publications (1)

Publication Number Publication Date
FR577666A true FR577666A (en) 1924-09-09

Family

ID=8954900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577666D Expired FR577666A (en) 1923-04-30 1923-04-30 Combined lighting and telephone or radio-telephone reception device

Country Status (1)

Country Link
FR (1) FR577666A (en)

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