FR578391A - Further training in vehicle warning devices - Google Patents

Further training in vehicle warning devices

Info

Publication number
FR578391A
FR578391A FR578391DA FR578391A FR 578391 A FR578391 A FR 578391A FR 578391D A FR578391D A FR 578391DA FR 578391 A FR578391 A FR 578391A
Authority
FR
France
Prior art keywords
further training
warning devices
vehicle warning
vehicle
training
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
Louis-Auguste Desponts
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 filed Critical
Application granted granted Critical
Publication of FR578391A publication Critical patent/FR578391A/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)
FR578391D 1924-03-05 1924-03-05 Further training in vehicle warning devices Expired FR578391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578391T 1924-03-05

Publications (1)

Publication Number Publication Date
FR578391A true FR578391A (en) 1924-09-24

Family

ID=8955393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578391D Expired FR578391A (en) 1924-03-05 1924-03-05 Further training in vehicle warning devices

Country Status (1)

Country Link
FR (1) FR578391A (en)

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