IT1044627B - ELECTROMAGNETIC TRUMPET IN PARTICULAR FOR VEHICLES - Google Patents

ELECTROMAGNETIC TRUMPET IN PARTICULAR FOR VEHICLES

Info

Publication number
IT1044627B
IT1044627B IT2750375A IT2750375A IT1044627B IT 1044627 B IT1044627 B IT 1044627B IT 2750375 A IT2750375 A IT 2750375A IT 2750375 A IT2750375 A IT 2750375A IT 1044627 B IT1044627 B IT 1044627B
Authority
IT
Italy
Prior art keywords
trumpet
vehicles
electromagnetic
electromagnetic trumpet
Prior art date
Application number
IT2750375A
Other languages
Italian (it)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT1044627B publication Critical patent/IT1044627B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207Driving circuits
    • B06B1/0223Driving circuits for generating signals continuous in time
    • B06B1/0238Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0261Driving 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26Generators 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
    • H03K3/28Generators 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
    • H03K3/281Generators 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
    • H03K3/282Generators 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
    • H03K3/2823Generators 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50Application to a particular transducer type
    • B06B2201/52Electrodynamic transducer
    • B06B2201/53Electrodynamic 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)
IT2750375A 1974-09-23 1975-09-22 ELECTROMAGNETIC TRUMPET IN PARTICULAR FOR VEHICLES IT1044627B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742445344 DE2445344C3 (en) 1974-09-23 1974-09-23 Electromagnetic horn

Publications (1)

Publication Number Publication Date
IT1044627B true IT1044627B (en) 1980-04-21

Family

ID=5926494

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2750375A IT1044627B (en) 1974-09-23 1975-09-22 ELECTROMAGNETIC TRUMPET IN PARTICULAR FOR VEHICLES

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE435777B (en) * 1979-01-29 1984-10-15 Ibuki Kogyo Co Ltd ELECTRIC HORN
US5049853A (en) * 1987-10-19 1991-09-17 Sparton Corporation Electric horn with solid state driver
IT1228767B (en) * 1989-03-29 1991-07-03 Electronsystem Spa ELECTRONICALLY PILOTED HORN FOR MOTOR VEHICLES.
CN109859963B (en) * 2019-01-24 2020-06-16 西安维国电子科技有限公司 Integrated electromagnetic drive switch for subnanosecond square wave generator

Also Published As

Publication number Publication date
FR2285674B3 (en) 1978-04-07
GB1480694A (en) 1977-07-20
DE2445344B2 (en) 1980-01-31
DE2445344A1 (en) 1976-04-08
FR2285674A1 (en) 1976-04-16
DE2445344C3 (en) 1980-10-09

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