FR795811A - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR795811A
FR795811A FR795811DA FR795811A FR 795811 A FR795811 A FR 795811A FR 795811D A FR795811D A FR 795811DA FR 795811 A FR795811 A FR 795811A
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
Charles Boutelleau
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 FR795811A publication Critical patent/FR795811A/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
    • H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR795811D 1934-12-26 1934-12-26 Perfectionnements aux haut-parleurs Expired FR795811A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR795811T 1934-12-26

Publications (1)

Publication Number Publication Date
FR795811A true FR795811A (fr) 1936-03-23

Family

ID=9234821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795811D Expired FR795811A (fr) 1934-12-26 1934-12-26 Perfectionnements aux haut-parleurs

Country Status (1)

Country Link
FR (1) FR795811A (fr)

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