FR552986A - Warning device for vehicles - Google Patents

Warning device for vehicles

Info

Publication number
FR552986A
FR552986A FR552986DA FR552986A FR 552986 A FR552986 A FR 552986A FR 552986D A FR552986D A FR 552986DA FR 552986 A FR552986 A FR 552986A
Authority
FR
France
Prior art keywords
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)
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 FR552986A publication Critical patent/FR552986A/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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR552986D 1921-07-30 1922-06-16 Warning device for vehicles Expired FR552986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE552986X 1921-07-30

Publications (1)

Publication Number Publication Date
FR552986A true FR552986A (en) 1923-05-11

Family

ID=6563581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552986D Expired FR552986A (en) 1921-07-30 1922-06-16 Warning device for vehicles

Country Status (1)

Country Link
FR (1) FR552986A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244025B (en) * 1966-05-14 1967-07-06 Walfried Dost Dipl Ing Sound emitter with housing
AU592678B2 (en) * 1986-10-22 1990-01-18 Soletanche A process for placing a piling in the ground, a drilling machine and an arrangement for implementing this process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244025B (en) * 1966-05-14 1967-07-06 Walfried Dost Dipl Ing Sound emitter with housing
AU592678B2 (en) * 1986-10-22 1990-01-18 Soletanche A process for placing a piling in the ground, a drilling machine and an arrangement for implementing this process

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