FR460856A - Appareil avertisseur magnéto-électrique - Google Patents

Appareil avertisseur magnéto-électrique

Info

Publication number
FR460856A
FR460856A FR460856DA FR460856A FR 460856 A FR460856 A FR 460856A FR 460856D A FR460856D A FR 460856DA FR 460856 A FR460856 A FR 460856A
Authority
FR
France
Prior art keywords
magneto
warning device
electric warning
electric
warning
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
Paul Savoye
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 FR460856A publication Critical patent/FR460856A/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)
FR460856D 1913-07-29 1913-07-29 Appareil avertisseur magnéto-électrique Expired FR460856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR460856T 1913-07-29

Publications (1)

Publication Number Publication Date
FR460856A true FR460856A (fr) 1913-12-13

Family

ID=1500218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR460856D Expired FR460856A (fr) 1913-07-29 1913-07-29 Appareil avertisseur magnéto-électrique

Country Status (1)

Country Link
FR (1) FR460856A (fr)

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