FR831037A - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR831037A
FR831037A FR831037DA FR831037A FR 831037 A FR831037 A FR 831037A FR 831037D A FR831037D A FR 831037DA FR 831037 A FR831037 A FR 831037A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker 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
Alton Edouard D
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 FR831037A publication Critical patent/FR831037A/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; 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)
FR831037D 1937-04-01 1937-04-01 Perfectionnements aux haut-parleurs Expired FR831037A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831037T 1937-04-01

Publications (1)

Publication Number Publication Date
FR831037A true FR831037A (fr) 1938-08-18

Family

ID=9290082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831037D Expired FR831037A (fr) 1937-04-01 1937-04-01 Perfectionnements aux haut-parleurs

Country Status (1)

Country Link
FR (1) FR831037A (fr)

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