FR2684478B1 - - Google Patents

Info

Publication number
FR2684478B1
FR2684478B1 FR9114955A FR9114955A FR2684478B1 FR 2684478 B1 FR2684478 B1 FR 2684478B1 FR 9114955 A FR9114955 A FR 9114955A FR 9114955 A FR9114955 A FR 9114955A FR 2684478 B1 FR2684478 B1 FR 2684478B1
Authority
FR
France
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 - Fee Related
Application number
FR9114955A
Other languages
French (fr)
Other versions
FR2684478A1 (fr
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
Priority to FR9114955A priority Critical patent/FR2684478A1/fr
Publication of FR2684478A1 publication Critical patent/FR2684478A1/fr
Application granted granted Critical
Publication of FR2684478B1 publication Critical patent/FR2684478B1/fr
Granted 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
    • 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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
FR9114955A 1991-12-03 1991-12-03 Avertisseur sonore electropneumatique ou pneumatique. Granted FR2684478A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9114955A FR2684478A1 (fr) 1991-12-03 1991-12-03 Avertisseur sonore electropneumatique ou pneumatique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9114955A FR2684478A1 (fr) 1991-12-03 1991-12-03 Avertisseur sonore electropneumatique ou pneumatique.

Publications (2)

Publication Number Publication Date
FR2684478A1 FR2684478A1 (fr) 1993-06-04
FR2684478B1 true FR2684478B1 (id) 1997-02-21

Family

ID=9419618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9114955A Granted FR2684478A1 (fr) 1991-12-03 1991-12-03 Avertisseur sonore electropneumatique ou pneumatique.

Country Status (1)

Country Link
FR (1) FR2684478A1 (id)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801560A (en) * 1928-06-20 1931-04-21 Penn Electric Switch Co Diaphragm assembly
GB390332A (en) * 1931-12-18 1933-04-06 Charles Louis Florisson Improvements in or relating to liquid tight closures for use in connection with sub-aqueous vibration transmitting or receiving apparatus
GB556583A (en) * 1942-04-08 1943-10-12 Kockums Mekaniska Verkstads Ab Improvements in alarm apparatus operated by air or gas under pressure
FR2267602A1 (en) * 1974-04-09 1975-11-07 Seima Resonator plate for motor vehicle horn - has diameter greater than that of vibrating membrane
JPS5927156B2 (ja) * 1980-12-03 1984-07-03 オンキヨー株式会社 スピ−カ−用振動板の製造方法

Also Published As

Publication number Publication date
FR2684478A1 (fr) 1993-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090831