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FR877625A - Electromagnetic warning device, especially for vehicles - Google Patents

Electromagnetic warning device, especially for vehicles

Info

Publication number
FR877625A
FR877625A FR877625DA FR877625A FR 877625 A FR877625 A FR 877625A FR 877625D A FR877625D A FR 877625DA FR 877625 A FR877625 A FR 877625A
Authority
FR
France
Prior art keywords
vehicles
warning device
electromagnetic warning
electromagnetic
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)
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.)
Westfaelische Metall Industrie KG Hueck and Co
Original Assignee
Westfaelische Metall Industrie KG Hueck and Co
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 Westfaelische Metall Industrie KG Hueck and Co filed Critical Westfaelische Metall Industrie KG Hueck and Co
Application granted granted Critical
Publication of FR877625A publication Critical patent/FR877625A/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
    • G10K9/12—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)
FR877625D 1941-03-20 1941-12-09 Electromagnetic warning device, especially for vehicles Expired FR877625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877625X 1941-03-20

Publications (1)

Publication Number Publication Date
FR877625A true FR877625A (en) 1942-12-11

Family

ID=6818159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877625D Expired FR877625A (en) 1941-03-20 1941-12-09 Electromagnetic warning device, especially for vehicles

Country Status (1)

Country Link
FR (1) FR877625A (en)

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