FR982132A - Avertisseur sonore électrique combiné - Google Patents

Avertisseur sonore électrique combiné

Info

Publication number
FR982132A
FR982132A FR982132DA FR982132A FR 982132 A FR982132 A FR 982132A FR 982132D A FR982132D A FR 982132DA FR 982132 A FR982132 A FR 982132A
Authority
FR
France
Prior art keywords
combined electric
electric horn
horn
combined
electric
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
Rene Ferquin
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 FR982132A publication Critical patent/FR982132A/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)
FR982132D 1949-01-12 1949-01-12 Avertisseur sonore électrique combiné Expired FR982132A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982132T 1949-01-12

Publications (1)

Publication Number Publication Date
FR982132A true FR982132A (fr) 1951-06-04

Family

ID=9535140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982132D Expired FR982132A (fr) 1949-01-12 1949-01-12 Avertisseur sonore électrique combiné

Country Status (1)

Country Link
FR (1) FR982132A (fr)

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