FR513978A - Avertisseur électrique - Google Patents

Avertisseur électrique

Info

Publication number
FR513978A
FR513978A FR513978A FR513978DA FR513978A FR 513978 A FR513978 A FR 513978A FR 513978 A FR513978 A FR 513978A FR 513978D A FR513978D A FR 513978DA FR 513978 A FR513978 A FR 513978A
Authority
FR
France
Prior art keywords
electric horn
horn
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
FR513978A
Other languages
English (en)
Inventor
Jean-Andre Mourey
Gaston-Louis Renault
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.)
JEAN ANDRE MOUREY
Original Assignee
JEAN ANDRE MOUREY
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 JEAN ANDRE MOUREY filed Critical JEAN ANDRE MOUREY
Application granted granted Critical
Publication of FR513978A publication Critical patent/FR513978A/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)
FR513978A 1920-04-17 1920-04-17 Avertisseur électrique Expired FR513978A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR513978T 1920-04-17

Publications (1)

Publication Number Publication Date
FR513978A true FR513978A (fr) 1921-02-28

Family

ID=8913884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR513978A Expired FR513978A (fr) 1920-04-17 1920-04-17 Avertisseur électrique

Country Status (1)

Country Link
FR (1) FR513978A (fr)

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