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
- horn
- sectional area
- cross
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19818136680 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 (ja) | 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 (ja) |
FR (1) | FR2518293A3 (ja) |
IT (1) | IT8223629V0 (ja) |
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. |
JP2005529378A (ja) * | 2002-06-06 | 2005-09-29 | ファブリカ イタリアーナ アクムラトリ モトカーリ モンテッキオ − エフ.イ.アー.エンメ.エンメ. エッセ.ピー.アー. | 音響信号を出す車両用の装置 |
MXPA04012059A (es) * | 2002-06-06 | 2005-08-16 | Fiamm Componenti Accessori Spa | Circuito de control electronico y dispositivo de emision de senal acustica para vehiculos. |
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 DE19818136680 patent/DE8136680U1/de not_active Expired
-
1982
- 1982-10-29 FR FR8218227A patent/FR2518293A3/fr active Granted
- 1982-12-03 IT IT2362982U patent/IT8223629V0/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 |
---|---|
IT8223629V0 (it) | 1982-12-03 |
FR2518293B3 (ja) | 1983-12-02 |
DE8136680U1 (de) | 1982-04-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1222653B1 (fr) | Transducteur acoustique sous-marin a large bande | |
EP0331566B1 (fr) | Guide d'onde sonore cylindrique | |
FR2746573A1 (fr) | Convertisseur acoustique electrodynamique | |
FR2717031A1 (fr) | Enceinte acoustique pourvu d'un radiateur passif interne. | |
FR2518293A3 (fr) | Appareil avertisseur sonore electromagnetique pour vehicule automobile | |
FR2612722A1 (fr) | Transducteur acoustique multifrequences, notamment pour imagerie medicale | |
JPH0798245A (ja) | 超音波センサ | |
FR2747557A1 (fr) | Stethoscope | |
EP2256330A1 (fr) | Dispositif d'atténuation acoustique pour ligne d'admission d'un moteur thermique, et ligne d'admission l'incorporant. | |
FR2975858A1 (fr) | Haut-parleur d'avertissement | |
FR2653630A1 (fr) | Structure d'enceinte acoustique. | |
FR2600227A1 (fr) | Transducteur electroacoustique tubulaire | |
FR2558055A1 (fr) | Filtre pour prothese auditive ainsi que les protheses pourvues de ce filtre | |
CH304763A (fr) | Transducteur ultrasonore à milieu de liaison liquide. | |
BE688939A (ja) | ||
FR2871547A1 (fr) | Dispositif d'attenuation du bruit de gaz dans un conduit, notamment pour vehicule automobile | |
EP2881806A1 (fr) | Membrane de rayonnement acoustique pour une montre musicale | |
FR2812442A1 (fr) | Dispositif d'attenuation active des ondes sonores produites par une ligne d'echappement | |
WO2005089652A1 (fr) | Sonde echographique a balayage sectoriel utilisant un transducteur apte a venir au contact de la structure a examiner | |
EP0629334B1 (fr) | Transducteur optoacoustique miniature | |
EP0728534B1 (fr) | Procédé et transducteurs immergés dans un fluide pour l'émission d'ondes acoustiques à basse fréquence avec des pavillons allégés | |
FR2645386A1 (fr) | Ensemble perfectionne de reproduction de sons | |
FR2681752A3 (en) | Microphone probe including an attenuator material | |
FR2664782A1 (fr) | Enceinte acoustique omnidirectionnelle. | |
BE673136A (ja) |