FR2303335A1 - Avertisseur a trompe, a commande electrique, notamment pour vehicules automobiles - Google Patents
Avertisseur a trompe, a commande electrique, notamment pour vehicules automobilesInfo
- Publication number
- FR2303335A1 FR2303335A1 FR7604834A FR7604834A FR2303335A1 FR 2303335 A1 FR2303335 A1 FR 2303335A1 FR 7604834 A FR7604834 A FR 7604834A FR 7604834 A FR7604834 A FR 7604834A FR 2303335 A1 FR2303335 A1 FR 2303335A1
- Authority
- FR
- France
- Prior art keywords
- membrane
- horn
- plate
- vehicle warning
- covered
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title abstract 6
- 239000004033 plastic Substances 0.000 title abstract 2
- 229920003023 plastic Polymers 0.000 title abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 230000005284 excitation Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
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
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19757506830 DE7506830U (de) | 1975-03-05 | 1975-03-05 | Elektrisch betriebene fanfare, insbesondere fuer kraftfahrzeuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2303335A1 true FR2303335A1 (fr) | 1976-10-01 |
| FR2303335B3 FR2303335B3 (OSRAM) | 1978-11-10 |
Family
ID=6650667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7604834A Granted FR2303335A1 (fr) | 1975-03-05 | 1976-02-20 | Avertisseur a trompe, a commande electrique, notamment pour vehicules automobiles |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE7506830U (OSRAM) |
| FR (1) | FR2303335A1 (OSRAM) |
| IT (1) | IT1056888B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267552A (en) * | 1977-11-25 | 1981-05-12 | F.I.A.M.M. S.P.A. Fabbrica Italiana Accumulatori Motocarri Montecchio | Electromagnetic sound generator for automative vehicles and the like |
-
1975
- 1975-03-05 DE DE19757506830 patent/DE7506830U/de not_active Expired
-
1976
- 1976-02-20 FR FR7604834A patent/FR2303335A1/fr active Granted
- 1976-03-04 IT IT2088176A patent/IT1056888B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267552A (en) * | 1977-11-25 | 1981-05-12 | F.I.A.M.M. S.P.A. Fabbrica Italiana Accumulatori Motocarri Montecchio | Electromagnetic sound generator for automative vehicles and the like |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1056888B (it) | 1982-02-20 |
| FR2303335B3 (OSRAM) | 1978-11-10 |
| DE7506830U (de) | 1976-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2303335A1 (fr) | Avertisseur a trompe, a commande electrique, notamment pour vehicules automobiles | |
| CA1048824A (en) | Electro-acoustic signalling horns | |
| ES475750A1 (es) | Procedimiento para el montaje de avisadores acusticos elec- tromagneticos, en particular para automoviles, y avisador acustico obtenido con el mismo | |
| ES258373U (es) | Avisador sonoro neumatico | |
| CH646578GA3 (OSRAM) | ||
| JPS5674682A (en) | Clock having electronic alarm | |
| JPS5610276A (en) | Sound diaphragm of sound-producing body for clock | |
| JPS52117170A (en) | Alarm watch | |
| FR2242921A5 (en) | Horn with membrane in front of vibration generator - edge of casing is folded over edge of membrane | |
| JPS5765996A (en) | Speaker due to plane diaphragm | |
| GB1525818A (en) | Alarm generating apparatus | |
| FR2267602A1 (en) | Resonator plate for motor vehicle horn - has diameter greater than that of vibrating membrane | |
| JPS5299809A (en) | Flat speaker | |
| GB1340217A (en) | Audio alarm having an electric driving circuit | |
| JPS5349424A (en) | Dome speaker | |
| ES230924U (es) | Tapa. | |
| FR2431967A1 (fr) | Couvercle pour recipient, notamment pour baril de lessive | |
| JPS5286761A (en) | Underwater frequency modulated vibration radiating device | |
| GB1087510A (en) | Improvements in electro-magnetic horns particularly for motor vehicles | |
| GB1403389A (en) | Acoustic signalling device | |
| EP0346315A3 (en) | Antenna foot for movable antenna and method for the manufacture hereof | |
| JPS5236992A (en) | Vibrating membrane warning horn | |
| FR2230271A5 (en) | Vehicle horn enclosed by metal box - with electromagnetic elements vibrated mechanically at audio frequency | |
| NL7501007A (en) | Loudspeaker with stiff edge and diaphragm with flexible suspension - consists of vibrating disc, cylindrical coil neck and speaker coil | |
| JPS51119263A (en) | Portable watch |