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
Application number
FR8218227A
Other languages
French (fr)
Other versions
FR2518293A3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2518293A3 publication Critical patent/FR2518293A3/fr
Application granted granted Critical
Publication of FR2518293B3 publication Critical patent/FR2518293B3/fr
Granted legal-status Critical Current

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)
FR8218227A 1981-12-16 1982-10-29 Appareil avertisseur sonore electromagnetique pour vehicule automobile Granted FR2518293A3 (fr)

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 FR2518293A3 (fr) 1983-06-17
FR2518293B3 true 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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1250806B (it) * 1991-07-12 1995-04-21 Fiamm Spa Avvisatore acustico per autoveicoli.
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.
ATE323558T1 (de) * 2002-06-06 2006-05-15 Fiamm Componenti Accessori Spa Elektronische steuerschaltung und akustische signalgabevorrichtung für fahrzeuge
AU2002346292A1 (en) * 2002-06-06 2004-02-02 Fabbrica Italiana Accumulatori Motocapri 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

Also Published As

Publication number Publication date
FR2518293A3 (fr) 1983-06-17
IT8223629V0 (it) 1982-12-03
DE8136680U1 (de) 1982-04-22

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