FR38010E - Coupe diffuseur suspendue à double effet, horizontale - Google Patents

Coupe diffuseur suspendue à double effet, horizontale

Info

Publication number
FR38010E
FR38010E FR38010DA FR38010E FR 38010 E FR38010 E FR 38010E FR 38010D A FR38010D A FR 38010DA FR 38010 E FR38010 E FR 38010E
Authority
FR
France
Prior art keywords
suspended
acting
double
horizontal
diffuser cup
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
Jules Martini
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 FR38010E publication Critical patent/FR38010E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
FR38010D 1930-02-12 1930-02-12 Coupe diffuseur suspendue à double effet, horizontale Expired FR38010E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38010T 1930-02-12

Publications (1)

Publication Number Publication Date
FR38010E true FR38010E (fr) 1931-03-03

Family

ID=8674562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38010D Expired FR38010E (fr) 1930-02-12 1930-02-12 Coupe diffuseur suspendue à double effet, horizontale

Country Status (1)

Country Link
FR (1) FR38010E (fr)

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