FR678567A - Vibreur électro-magnétique - Google Patents

Vibreur électro-magnétique

Info

Publication number
FR678567A
FR678567A FR678567DA FR678567A FR 678567 A FR678567 A FR 678567A FR 678567D A FR678567D A FR 678567DA FR 678567 A FR678567 A FR 678567A
Authority
FR
France
Prior art keywords
electro
magnetic vibrator
vibrator
magnetic
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
Henri Chaumat
Edouard Lefrand
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 FR678567A publication Critical patent/FR678567A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR678567D 1928-11-03 1928-11-03 Vibreur électro-magnétique Expired FR678567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR678567T 1928-11-03

Publications (1)

Publication Number Publication Date
FR678567A true FR678567A (fr) 1930-04-02

Family

ID=9021105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678567D Expired FR678567A (fr) 1928-11-03 1928-11-03 Vibreur électro-magnétique

Country Status (1)

Country Link
FR (1) FR678567A (fr)

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