FR2518293A3 - Appareil avertisseur sonore electromagnetique pour vehicule automobile - Google Patents
Appareil avertisseur sonore electromagnetique pour vehicule automobile Download PDFInfo
- Publication number
- FR2518293A3 FR2518293A3 FR8218227A FR8218227A FR2518293A3 FR 2518293 A3 FR2518293 A3 FR 2518293A3 FR 8218227 A FR8218227 A FR 8218227A FR 8218227 A FR8218227 A FR 8218227A FR 2518293 A3 FR2518293 A3 FR 2518293A3
- Authority
- FR
- France
- Prior art keywords
- cross
- horn
- sectional area
- length
- equal
- 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
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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
-
- 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)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19818136680U DE8136680U1 (de) | 1981-12-16 | 1981-12-16 | Elektromagnetische fanfare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2518293A3 true FR2518293A3 (fr) | 1983-06-17 |
| FR2518293B3 FR2518293B3 (OSRAM) | 1983-12-02 |
Family
ID=6733951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8218227A Granted FR2518293A3 (fr) | 1981-12-16 | 1982-10-29 | Appareil avertisseur sonore electromagnetique pour vehicule automobile |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE8136680U1 (OSRAM) |
| FR (1) | FR2518293A3 (OSRAM) |
| IT (1) | IT8223629U1 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993001588A1 (en) * | 1991-07-12 | 1993-01-21 | F.I.A.M.M. Componenti Accessori - F.C.A S.P.A. | A motor-vehicle horn |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT250164Y1 (it) | 2000-07-25 | 2003-07-24 | Fiamm Componenti Accessori Spa | Avvisatore acustico elettronico multifunzione |
| IT1318298B1 (it) | 2000-08-01 | 2003-07-28 | Fiamm Spa | Avvisatore acustico elettromeccanico. |
| AU2002346292A1 (en) * | 2002-06-06 | 2004-02-02 | Fabbrica Italiana Accumulatori Motocapri | Acoustic-signal emitting device for vehicles |
| EP1509337B1 (en) * | 2002-06-06 | 2006-04-19 | Fabbrica Italiana Accumulatori Motocarri Montecchio - F.I.A.M.M. S.p.A. | Electronic control circuit and acoustic-signal emitting device for vehicles |
| CN114056233B (zh) * | 2021-11-22 | 2023-12-19 | 龚良奇 | 一种可调节音量的汽车喇叭 |
-
1981
- 1981-12-16 DE DE19818136680U patent/DE8136680U1/de not_active Expired
-
1982
- 1982-10-29 FR FR8218227A patent/FR2518293A3/fr active Granted
- 1982-12-03 IT ITMI1982U23629U patent/IT8223629U1/it unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993001588A1 (en) * | 1991-07-12 | 1993-01-21 | F.I.A.M.M. Componenti Accessori - F.C.A S.P.A. | A motor-vehicle horn |
| US5420563A (en) * | 1991-07-12 | 1995-05-30 | F.I.A.M.M. Componenti Accessori-F.C.A. S.P.A. | Motor-vehicle horn |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8223629U1 (it) | 1984-06-03 |
| DE8136680U1 (de) | 1982-04-22 |
| IT8223629V0 (it) | 1982-12-03 |
| FR2518293B3 (OSRAM) | 1983-12-02 |
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