FR16904E - Avertisseur sonore à membrane vibrante - Google Patents

Avertisseur sonore à membrane vibrante

Info

Publication number
FR16904E
FR16904E FR16904DA FR16904E FR 16904 E FR16904 E FR 16904E FR 16904D A FR16904D A FR 16904DA FR 16904 E FR16904 E FR 16904E
Authority
FR
France
Prior art keywords
buzzer
vibrating membrane
vibrating
membrane
membrane 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
Henri-Georges Gentilhomme
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.)
HENRI-GEORGES GENTILHOMME
Original Assignee
HENRI-GEORGES 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 by HENRI-GEORGES GENTILHOMME filed Critical HENRI-GEORGES GENTILHOMME
Application granted granted Critical
Publication of FR16904E publication Critical patent/FR16904E/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)
FR16904D 1912-12-09 1912-12-09 Avertisseur sonore à membrane vibrante Expired FR16904E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR451624T 1912-12-09

Publications (1)

Publication Number Publication Date
FR16904E true FR16904E (fr) 1913-05-14

Family

ID=1358461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR16904D Expired FR16904E (fr) 1912-12-09 1912-12-09 Avertisseur sonore à membrane vibrante

Country Status (1)

Country Link
FR (1) FR16904E (fr)

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