FR447704A - Warning device for automobiles and other vehicles - Google Patents

Warning device for automobiles and other vehicles

Info

Publication number
FR447704A
FR447704A FR447704DA FR447704A FR 447704 A FR447704 A FR 447704A FR 447704D A FR447704D A FR 447704DA FR 447704 A FR447704 A FR 447704A
Authority
FR
France
Prior art keywords
automobiles
vehicles
warning device
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
French (fr)
Inventor
Edouard Lehman
Paul Lefebvre
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.)
EDOUARD LEHMAN
Original Assignee
EDOUARD LEHMAN
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 EDOUARD LEHMAN filed Critical EDOUARD LEHMAN
Application granted granted Critical
Publication of FR447704A publication Critical patent/FR447704A/en
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
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR447704D 1911-11-04 1911-11-04 Warning device for automobiles and other vehicles Expired FR447704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447704T 1911-11-04

Publications (1)

Publication Number Publication Date
FR447704A true FR447704A (en) 1913-01-13

Family

ID=1488372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447704D Expired FR447704A (en) 1911-11-04 1911-11-04 Warning device for automobiles and other vehicles

Country Status (1)

Country Link
FR (1) FR447704A (en)

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