FR41732E - Avertisseur sonore - Google Patents

Avertisseur sonore

Info

Publication number
FR41732E
FR41732E FR41732DA FR41732E FR 41732 E FR41732 E FR 41732E FR 41732D A FR41732D A FR 41732DA FR 41732 E FR41732 E FR 41732E
Authority
FR
France
Prior art keywords
buzzer
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
English (en)
Inventor
Gentilhomme
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 FR41732E publication Critical patent/FR41732E/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR41732D 1932-01-14 1932-01-14 Avertisseur sonore Expired FR41732E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41732T 1932-01-14

Publications (1)

Publication Number Publication Date
FR41732E true FR41732E (fr) 1933-03-29

Family

ID=8677860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41732D Expired FR41732E (fr) 1932-01-14 1932-01-14 Avertisseur sonore

Country Status (1)

Country Link
FR (1) FR41732E (fr)

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