FR2333314B1 - - Google Patents

Info

Publication number
FR2333314B1
FR2333314B1 FR7536272A FR7536272A FR2333314B1 FR 2333314 B1 FR2333314 B1 FR 2333314B1 FR 7536272 A FR7536272 A FR 7536272A FR 7536272 A FR7536272 A FR 7536272A FR 2333314 B1 FR2333314 B1 FR 2333314B1
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
FR7536272A
Other languages
French (fr)
Other versions
FR2333314A1 (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.)
Klaxon SA
Original Assignee
Klaxon SA
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 Klaxon SA filed Critical Klaxon SA
Priority to FR7536272A priority Critical patent/FR2333314A1/fr
Publication of FR2333314A1 publication Critical patent/FR2333314A1/fr
Application granted granted Critical
Publication of FR2333314B1 publication Critical patent/FR2333314B1/fr
Granted 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
    • B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
    • B06B1/0276—Driving circuits for generating signals continuous in time for generating multiple frequencies with simultaneous generation, e.g. with modulation, harmonics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Alarm Systems (AREA)
FR7536272A 1975-11-27 1975-11-27 Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique Granted FR2333314A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536272A FR2333314A1 (fr) 1975-11-27 1975-11-27 Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536272A FR2333314A1 (fr) 1975-11-27 1975-11-27 Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique

Publications (2)

Publication Number Publication Date
FR2333314A1 FR2333314A1 (fr) 1977-06-24
FR2333314B1 true FR2333314B1 (US07223432-20070529-C00017.png) 1978-04-14

Family

ID=9162969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536272A Granted FR2333314A1 (fr) 1975-11-27 1975-11-27 Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique

Country Status (1)

Country Link
FR (1) FR2333314A1 (US07223432-20070529-C00017.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936981C2 (de) * 1979-09-13 1985-08-22 Wandel & Goltermann Gmbh & Co, 7412 Eningen Warnsignalgenerator mit einem hohen Anteil an Oberwellen zur Speisung eines Druckkammerlautsprechers
DE3138068A1 (de) * 1980-11-10 1982-07-08 Marukokeihouki Co. Ltd., Nagano Piezoelektrische mehrfrequenz-schallerzeugungsvorrichtung
DE3135169A1 (de) * 1981-09-04 1983-03-17 Abeg Apparatebau und Elektroanlagen GmbH, 8011 Kirchseeon Elektronische sirene
DE3420988A1 (de) * 1984-06-06 1985-12-12 Robert Bosch Gmbh, 7000 Stuttgart Elektronische warnsignalanlage, insbesondere fuer kraftfahrzeuge
FR2631505B1 (fr) * 1988-05-11 1990-08-31 Neiman Sa Dispositif d'alimentation d'un haut-parleur de signalisation acoustique
WO1994025956A1 (en) * 1993-04-30 1994-11-10 Federal Signal Corporation Tone generating circuit
ES1088304Y (es) * 2013-07-25 2013-11-21 Fed Signal Vama Sa Sirena electronica
US9900705B2 (en) * 2014-01-23 2018-02-20 Federal Signal Corporation Tone generation

Also Published As

Publication number Publication date
FR2333314A1 (fr) 1977-06-24

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse