FR1428483A - Avertisseurs sonores transistorisés - Google Patents

Avertisseurs sonores transistorisés

Info

Publication number
FR1428483A
FR1428483A FR967156A FR967156A FR1428483A FR 1428483 A FR1428483 A FR 1428483A FR 967156 A FR967156 A FR 967156A FR 967156 A FR967156 A FR 967156A FR 1428483 A FR1428483 A FR 1428483A
Authority
FR
France
Prior art keywords
transistorized
horns
transistorized horns
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.)
Expired
Application number
FR967156A
Other languages
English (en)
Inventor
Giancarlo Cimini
Francesco Di Salvo
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Priority to FR967156A priority Critical patent/FR1428483A/fr
Application granted granted Critical
Publication of FR1428483A publication Critical patent/FR1428483A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/52—Electrodynamic transducer
    • B06B2201/53—Electrodynamic transducer with vibrating magnet or coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR967156A 1964-03-12 1964-03-12 Avertisseurs sonores transistorisés Expired FR1428483A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR967156A FR1428483A (fr) 1964-03-12 1964-03-12 Avertisseurs sonores transistorisés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967156A FR1428483A (fr) 1964-03-12 1964-03-12 Avertisseurs sonores transistorisés

Publications (1)

Publication Number Publication Date
FR1428483A true FR1428483A (fr) 1966-02-18

Family

ID=8825374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967156A Expired FR1428483A (fr) 1964-03-12 1964-03-12 Avertisseurs sonores transistorisés

Country Status (1)

Country Link
FR (1) FR1428483A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573559A1 (fr) * 1984-11-22 1986-05-23 Bosch Gmbh Robert Procede pour la commande sans contact de la frequence motrice de l'armature oscillante d'un klaxon electromagnetique
EP0389860A2 (fr) * 1989-03-29 1990-10-03 ELECTRONSYSTEM S.p.A. Klaxon contrôlé électroniquement pour véhicules à moteur
US5414406A (en) * 1992-04-21 1995-05-09 Sparton Corporation Self-tuning vehicle horn

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573559A1 (fr) * 1984-11-22 1986-05-23 Bosch Gmbh Robert Procede pour la commande sans contact de la frequence motrice de l'armature oscillante d'un klaxon electromagnetique
EP0389860A2 (fr) * 1989-03-29 1990-10-03 ELECTRONSYSTEM S.p.A. Klaxon contrôlé électroniquement pour véhicules à moteur
EP0389860A3 (fr) * 1989-03-29 1991-09-11 ELECTRONSYSTEM S.p.A. Klaxon contrôlé électroniquement pour véhicules à moteur
US5414406A (en) * 1992-04-21 1995-05-09 Sparton Corporation Self-tuning vehicle horn

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