FR41039E - Avertisseur sonore électromagnétique - Google Patents

Avertisseur sonore électromagnétique

Info

Publication number
FR41039E
FR41039E FR41039DA FR41039E FR 41039 E FR41039 E FR 41039E FR 41039D A FR41039D A FR 41039DA FR 41039 E FR41039 E FR 41039E
Authority
FR
France
Prior art keywords
electromagnetic horn
horn
electromagnetic
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
Gentilhomme
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 FR41039E publication Critical patent/FR41039E/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
    • G10K9/15—Self-interrupting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR41039D 1931-09-17 1931-09-17 Avertisseur sonore électromagnétique Expired FR41039E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41039T 1931-09-17

Publications (1)

Publication Number Publication Date
FR41039E true FR41039E (fr) 1932-10-20

Family

ID=8677240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41039D Expired FR41039E (fr) 1931-09-17 1931-09-17 Avertisseur sonore électromagnétique

Country Status (1)

Country Link
FR (1) FR41039E (fr)

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