FR1104962A - Perfectionnement aux appareils électro-acoustiques - Google Patents

Perfectionnement aux appareils électro-acoustiques

Info

Publication number
FR1104962A
FR1104962A FR1104962DA FR1104962A FR 1104962 A FR1104962 A FR 1104962A FR 1104962D A FR1104962D A FR 1104962DA FR 1104962 A FR1104962 A FR 1104962A
Authority
FR
France
Prior art keywords
electro
improvement
acoustic devices
acoustic
devices
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
Francois-Xavier Reecht
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 FR1104962A publication Critical patent/FR1104962A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
FR1104962D 1954-05-20 1954-05-20 Perfectionnement aux appareils électro-acoustiques Expired FR1104962A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1104962T 1954-05-20

Publications (1)

Publication Number Publication Date
FR1104962A true FR1104962A (fr) 1955-11-25

Family

ID=9623122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1104962D Expired FR1104962A (fr) 1954-05-20 1954-05-20 Perfectionnement aux appareils électro-acoustiques

Country Status (1)

Country Link
FR (1) FR1104962A (fr)

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