FR2518293B3 - - Google Patents
Info
- Publication number
- FR2518293B3 FR2518293B3 FR8218227A FR8218227A FR2518293B3 FR 2518293 B3 FR2518293 B3 FR 2518293B3 FR 8218227 A FR8218227 A FR 8218227A FR 8218227 A FR8218227 A FR 8218227A FR 2518293 B3 FR2518293 B3 FR 2518293B3
- 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
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 |
---|---|---|---|
DE19818136680 DE8136680U1 (en) | 1981-12-16 | 1981-12-16 | ELECTROMAGNETIC FANFARE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2518293A3 FR2518293A3 (en) | 1983-06-17 |
FR2518293B3 true FR2518293B3 (en) | 1983-12-02 |
Family
ID=6733951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8218227A Granted FR2518293A3 (en) | 1981-12-16 | 1982-10-29 | Electromagnetic horn for motor vehicle - uses an electromagnetically vibrated membrane with horn following cylindrical shape, followed by cone and exponential horn |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE8136680U1 (en) |
FR (1) | FR2518293A3 (en) |
IT (1) | IT8223629V0 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1250806B (en) * | 1991-07-12 | 1995-04-21 | Fiamm Spa | MOTORCYCLE SOUNDER. |
IT250164Y1 (en) | 2000-07-25 | 2003-07-24 | Fiamm Componenti Accessori Spa | MULTIFUNCTION ELECTRONIC ACOUSTIC WARNING DEVICE |
IT1318298B1 (en) | 2000-08-01 | 2003-07-28 | Fiamm Spa | ELECTROMECHANICAL SOUNDER. |
CA2487958A1 (en) * | 2002-06-06 | 2003-12-18 | Fabbrica Italiana Accumulatori Motocarri Montecchio F.I.A.M.M. S.P.A. | Electronic control circuit and acoustic-signal emitting device for vehicles |
BR0215758A (en) * | 2002-06-06 | 2005-03-01 | Fiamm Componenti Accessori Spa | Vehicle audible signaling device |
CN114056233B (en) * | 2021-11-22 | 2023-12-19 | 龚良奇 | Automobile horn with adjustable volume |
-
1981
- 1981-12-16 DE DE19818136680 patent/DE8136680U1/en not_active Expired
-
1982
- 1982-10-29 FR FR8218227A patent/FR2518293A3/en active Granted
- 1982-12-03 IT IT2362982U patent/IT8223629V0/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8223629V0 (en) | 1982-12-03 |
FR2518293A3 (en) | 1983-06-17 |
DE8136680U1 (en) | 1982-04-22 |