FR7717E - Trompe électrique - Google Patents

Trompe électrique

Info

Publication number
FR7717E
FR7717E FR7717DA FR7717E FR 7717 E FR7717 E FR 7717E FR 7717D A FR7717D A FR 7717DA FR 7717 E FR7717 E FR 7717E
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
Other languages
English (en)
Inventor
Leon Chalas
Edouard Requillart
Camille Contal
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 FR7717E publication Critical patent/FR7717E/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)
FR7717D 1905-03-03 1907-05-16 Trompe électrique Expired FR7717E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR352026T 1905-03-03
FR7717T 1907-05-16

Publications (1)

Publication Number Publication Date
FR7717E true FR7717E (fr) 1907-10-01

Family

ID=1350487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717D Expired FR7717E (fr) 1905-03-03 1907-05-16 Trompe électrique

Country Status (1)

Country Link
FR (1) FR7717E (fr)

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