FR444713A - Avertisseur sonore actionné électriquement - Google Patents

Avertisseur sonore actionné électriquement

Info

Publication number
FR444713A
FR444713A FR444713DA FR444713A FR 444713 A FR444713 A FR 444713A FR 444713D A FR444713D A FR 444713DA FR 444713 A FR444713 A FR 444713A
Authority
FR
France
Prior art keywords
electrically actuated
actuated horn
horn
electrically
actuated
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
Alphonse Daveluy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR444713A publication Critical patent/FR444713A/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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
FR444713D 1912-06-06 1912-06-06 Avertisseur sonore actionné électriquement Expired FR444713A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR444713T 1912-06-06

Publications (1)

Publication Number Publication Date
FR444713A true FR444713A (fr) 1912-10-24

Family

ID=1485670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR444713D Expired FR444713A (fr) 1912-06-06 1912-06-06 Avertisseur sonore actionné électriquement

Country Status (1)

Country Link
FR (1) FR444713A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800863A1 (de) * 1977-01-11 1978-07-13 Star Mfg Co Schallsignalgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800863A1 (de) * 1977-01-11 1978-07-13 Star Mfg Co Schallsignalgeraet

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