FR713126A - Electrodynamic device used to transform electrical oscillations into acoustic vibrations, or vice versa - Google Patents

Electrodynamic device used to transform electrical oscillations into acoustic vibrations, or vice versa

Info

Publication number
FR713126A
FR713126A FR713126DA FR713126A FR 713126 A FR713126 A FR 713126A FR 713126D A FR713126D A FR 713126DA FR 713126 A FR713126 A FR 713126A
Authority
FR
France
Prior art keywords
vice versa
device used
acoustic vibrations
electrical oscillations
transform electrical
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR713126A publication Critical patent/FR713126A/en
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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR713126D 1930-04-03 1931-03-12 Electrodynamic device used to transform electrical oscillations into acoustic vibrations, or vice versa Expired FR713126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL713126X 1930-04-03

Publications (1)

Publication Number Publication Date
FR713126A true FR713126A (en) 1931-10-22

Family

ID=19814868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713126D Expired FR713126A (en) 1930-04-03 1931-03-12 Electrodynamic device used to transform electrical oscillations into acoustic vibrations, or vice versa

Country Status (2)

Country Link
FR (1) FR713126A (en)
NL (1) NL30952C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328537A (en) * 1964-01-09 1967-06-27 Hecht William High frequency sound translating device
US3983337A (en) * 1973-06-21 1976-09-28 Babbco, Ltd. Broad-band acoustic speaker
EP1351548A2 (en) * 2002-01-28 2003-10-08 Speaker electronic (Jiashan) Co., Ltd. A loudspeaker voice coil having a coil fixing mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328537A (en) * 1964-01-09 1967-06-27 Hecht William High frequency sound translating device
US3983337A (en) * 1973-06-21 1976-09-28 Babbco, Ltd. Broad-band acoustic speaker
EP1351548A2 (en) * 2002-01-28 2003-10-08 Speaker electronic (Jiashan) Co., Ltd. A loudspeaker voice coil having a coil fixing mechanism
EP1351548A3 (en) * 2002-01-28 2004-11-03 Speaker electronic (Jiashan) Co., Ltd. A loudspeaker voice coil having a coil fixing mechanism

Also Published As

Publication number Publication date
NL30952C (en)

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