FR714700A - Projection of sound through speaker - Google Patents

Projection of sound through speaker

Info

Publication number
FR714700A
FR714700A FR714700DA FR714700A FR 714700 A FR714700 A FR 714700A FR 714700D A FR714700D A FR 714700DA FR 714700 A FR714700 A FR 714700A
Authority
FR
France
Prior art keywords
speaker
sound
projection
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
Rene-Jean-Camille Tampier
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 FR714700A publication Critical patent/FR714700A/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
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR714700D 1930-08-05 1930-08-05 Projection of sound through speaker Expired FR714700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714700T 1930-08-05

Publications (1)

Publication Number Publication Date
FR714700A true FR714700A (en) 1931-11-18

Family

ID=9088223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714700D Expired FR714700A (en) 1930-08-05 1930-08-05 Projection of sound through speaker

Country Status (1)

Country Link
FR (1) FR714700A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494535A1 (en) * 1980-11-19 1982-05-21 Denoisie Michel Exponential acoustic diffuser with telescopic parts - has two slidably interconnected parts forming part of exponential radiator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494535A1 (en) * 1980-11-19 1982-05-21 Denoisie Michel Exponential acoustic diffuser with telescopic parts - has two slidably interconnected parts forming part of exponential radiator

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