FR664048A - Automobile warning device - Google Patents

Automobile warning device

Info

Publication number
FR664048A
FR664048A FR664048DA FR664048A FR 664048 A FR664048 A FR 664048A FR 664048D A FR664048D A FR 664048DA FR 664048 A FR664048 A FR 664048A
Authority
FR
France
Prior art keywords
warning device
automobile warning
automobile
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch AG
Robert Bosch GmbH
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 Robert Bosch AG, Robert Bosch GmbH filed Critical Robert Bosch AG
Application granted granted Critical
Publication of FR664048A publication Critical patent/FR664048A/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)
FR664048D 1927-11-28 1928-11-16 Automobile warning device Expired FR664048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE664048X 1927-11-28

Publications (1)

Publication Number Publication Date
FR664048A true FR664048A (en) 1929-08-28

Family

ID=6589359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664048D Expired FR664048A (en) 1927-11-28 1928-11-16 Automobile warning device

Country Status (1)

Country Link
FR (1) FR664048A (en)

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