FR620326A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
FR620326A
FR620326A FR620326DA FR620326A FR 620326 A FR620326 A FR 620326A FR 620326D A FR620326D A FR 620326DA FR 620326 A FR620326 A FR 620326A
Authority
FR
France
Prior art keywords
loud speaker
loud
speaker
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 by Societe des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR620326A publication Critical patent/FR620326A/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
    • H04R9/04—Construction, mounting, or centering of coil
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/042—Centering by pressurised air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR620326D 1925-12-18 1925-12-18 Haut-parleur Expired FR620326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR620326T 1925-12-18

Publications (1)

Publication Number Publication Date
FR620326A true FR620326A (fr) 1927-04-20

Family

ID=8984320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620326D Expired FR620326A (fr) 1925-12-18 1925-12-18 Haut-parleur

Country Status (2)

Country Link
FR (1) FR620326A (fr)
GB (1) GB263172A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225756A (en) * 1973-06-21 1980-09-30 Babbco, Ltd. Broad band dynamic loudspeaker
US4061890A (en) * 1976-08-27 1977-12-06 Bose Corporation Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate

Also Published As

Publication number Publication date
GB263172A (en) 1927-03-31

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