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
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)
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 (US20040232935A1-20041125-M00001.png) | 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 (US20040232935A1-20041125-M00001.png) |
Family Cites Families (5)
| 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 |
-
1991
- 1991-12-03 FR FR9114955A patent/FR2684478A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2684478A1 (fr) | 1993-06-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20090831 |