FR878313A - Perfectionnements aux hauts-parleurs - Google Patents

Perfectionnements aux hauts-parleurs

Info

Publication number
FR878313A
FR878313A FR878313DA FR878313A FR 878313 A FR878313 A FR 878313A FR 878313D A FR878313D A FR 878313DA FR 878313 A FR878313 A FR 878313A
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
Eugene Mercier
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 FR878313A publication Critical patent/FR878313A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR878313D 1942-01-07 1942-01-07 Perfectionnements aux hauts-parleurs Expired FR878313A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR878313T 1942-01-07

Publications (1)

Publication Number Publication Date
FR878313A true FR878313A (fr) 1943-01-18

Family

ID=9361359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878313D Expired FR878313A (fr) 1942-01-07 1942-01-07 Perfectionnements aux hauts-parleurs

Country Status (1)

Country Link
FR (1) FR878313A (fr)

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