FR2285674A1 - Avertisseur electromagnetique - Google Patents

Avertisseur electromagnetique

Info

Publication number
FR2285674A1
FR2285674A1 FR7525784A FR7525784A FR2285674A1 FR 2285674 A1 FR2285674 A1 FR 2285674A1 FR 7525784 A FR7525784 A FR 7525784A FR 7525784 A FR7525784 A FR 7525784A FR 2285674 A1 FR2285674 A1 FR 2285674A1
Authority
FR
France
Prior art keywords
electromagnetic alarm
alarm
electromagnetic
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
Application number
FR7525784A
Other languages
English (en)
Other versions
FR2285674B3 (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 FR2285674A1 publication Critical patent/FR2285674A1/fr
Application granted granted Critical
Publication of FR2285674B3 publication Critical patent/FR2285674B3/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
    • B06B1/0238—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
    • B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2823—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR7525784A 1974-09-23 1975-08-20 Avertisseur electromagnetique Granted FR2285674A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742445344 DE2445344C3 (de) 1974-09-23 1974-09-23 Elektromagnetisches Signalhorn

Publications (2)

Publication Number Publication Date
FR2285674A1 true FR2285674A1 (fr) 1976-04-16
FR2285674B3 FR2285674B3 (fr) 1978-04-07

Family

ID=5926494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525784A Granted FR2285674A1 (fr) 1974-09-23 1975-08-20 Avertisseur electromagnetique

Country Status (4)

Country Link
DE (1) DE2445344C3 (fr)
FR (1) FR2285674A1 (fr)
GB (1) GB1480694A (fr)
IT (1) IT1044627B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916333A1 (de) * 1979-01-29 1980-07-31 Ibuki Kogyo Co Ltd Elektrisches horn
EP0389860A2 (fr) * 1989-03-29 1990-10-03 ELECTRONSYSTEM S.p.A. Klaxon contrôlé électroniquement pour véhicules à moteur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049853A (en) * 1987-10-19 1991-09-17 Sparton Corporation Electric horn with solid state driver
CN109859963B (zh) * 2019-01-24 2020-06-16 西安维国电子科技有限公司 一种用于亚纳秒方波发生器的一体化电磁驱动开关

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916333A1 (de) * 1979-01-29 1980-07-31 Ibuki Kogyo Co Ltd Elektrisches horn
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

Also Published As

Publication number Publication date
DE2445344C3 (de) 1980-10-09
GB1480694A (en) 1977-07-20
DE2445344A1 (de) 1976-04-08
FR2285674B3 (fr) 1978-04-07
DE2445344B2 (de) 1980-01-31
IT1044627B (it) 1980-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse