FR586510A - Improvements to audible warning devices for automobiles or other uses - Google Patents

Improvements to audible warning devices for automobiles or other uses

Info

Publication number
FR586510A
FR586510A FR586510DA FR586510A FR 586510 A FR586510 A FR 586510A FR 586510D A FR586510D A FR 586510DA FR 586510 A FR586510 A FR 586510A
Authority
FR
France
Prior art keywords
automobiles
audible warning
warning devices
audible
devices
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
Cesar Parolini
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 FR586510A publication Critical patent/FR586510A/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
    • G10K9/20—Sounding members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR586510D 1923-12-07 1923-12-07 Improvements to audible warning devices for automobiles or other uses Expired FR586510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR586510T 1923-12-07

Publications (1)

Publication Number Publication Date
FR586510A true FR586510A (en) 1925-03-28

Family

ID=8960781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR586510D Expired FR586510A (en) 1923-12-07 1923-12-07 Improvements to audible warning devices for automobiles or other uses

Country Status (1)

Country Link
FR (1) FR586510A (en)

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