EP0266485A3 - Elektromagnetische Hupe mit durch resonanzfrequenzmessende Proben elektronisch gesteuerter Erregung seiner akustischen Membrane - Google Patents

Elektromagnetische Hupe mit durch resonanzfrequenzmessende Proben elektronisch gesteuerter Erregung seiner akustischen Membrane Download PDF

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Publication number
EP0266485A3
EP0266485A3 EP87107567A EP87107567A EP0266485A3 EP 0266485 A3 EP0266485 A3 EP 0266485A3 EP 87107567 A EP87107567 A EP 87107567A EP 87107567 A EP87107567 A EP 87107567A EP 0266485 A3 EP0266485 A3 EP 0266485A3
Authority
EP
European Patent Office
Prior art keywords
resonance frequency
excitation
sensors
measure
acoustic diaphragm
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.)
Withdrawn
Application number
EP87107567A
Other languages
English (en)
French (fr)
Other versions
EP0266485A2 (de
Inventor
Tullio Giorgioni
Bruno Cortinovis
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.)
ELECTRONSYSTEM SpA
Original Assignee
ELECTRONSYSTEM 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 ELECTRONSYSTEM SpA filed Critical ELECTRONSYSTEM SpA
Publication of EP0266485A2 publication Critical patent/EP0266485A2/de
Publication of EP0266485A3 publication Critical patent/EP0266485A3/de
Withdrawn legal-status Critical Current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
    • 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)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
EP87107567A 1986-11-05 1987-05-24 Elektromagnetische Hupe mit durch resonanzfrequenzmessende Proben elektronisch gesteuerter Erregung seiner akustischen Membrane Withdrawn EP0266485A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT02932/86A IT1205507B (it) 1986-11-05 1986-11-05 Tromba elettromeccanica con eccitazione della membrana sonora pilotata elettronicamente da rilevatori della sua frequenza di risonanza
IT293286 1986-11-05

Publications (2)

Publication Number Publication Date
EP0266485A2 EP0266485A2 (de) 1988-05-11
EP0266485A3 true EP0266485A3 (de) 1988-11-02

Family

ID=11104011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87107567A Withdrawn EP0266485A3 (de) 1986-11-05 1987-05-24 Elektromagnetische Hupe mit durch resonanzfrequenzmessende Proben elektronisch gesteuerter Erregung seiner akustischen Membrane

Country Status (3)

Country Link
EP (1) EP0266485A3 (de)
JP (1) JPS63124095A (de)
IT (1) IT1205507B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461896B (sv) * 1988-06-29 1990-04-09 Infrasonik Ab Laagfrekvensljudgenerator foer grillar
IT1228767B (it) * 1989-03-29 1991-07-03 Electronsystem Spa Avvisatore acustico per autoveicoli pilotato elettronicamente.
JP4269518B2 (ja) * 1998-06-29 2009-05-27 パナソニック株式会社 電気−機械−音響変換器及びこれを用いた電気−機械−音響変換装置
EP1383108A1 (de) * 2002-07-19 2004-01-21 Mark Thomas Coward Horn für Klangerzeugung
WO2005034057A1 (en) * 2003-10-09 2005-04-14 Fabbrica Italiana Accumulatori Motocarri Montecchio F.I.A.M.M. S.P.A. Audible warning device and operating method
DE102005015554A1 (de) * 2005-04-04 2006-10-05 Werma Signaltechnik Gmbh + Co. Kg Signalvorrichtung mit einem akustischen Signalgeber
JP2011257685A (ja) * 2010-06-11 2011-12-22 Hamanako Denso Co Ltd 警音装置
DE102013221182B4 (de) * 2013-10-18 2021-05-06 Volkswagen Aktiengesellschaft Akustisches Signalisierungssystem sowie Anordnung und Verfahren zum Betreiben eines akustischen Signalisierungssystems für ein Kraftfahrzeug

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771772A (en) * 1971-05-15 1973-11-13 K Honda Ultrasonic cleaning device
DE2448685A1 (de) * 1974-10-12 1976-04-22 Bosch Gmbh Robert Elektromagnetisches signalhorn mit kontaktlos gesteuerter membranbewegung
US4395665A (en) * 1981-06-09 1983-07-26 The Arthur G. Russell Company, Incorporated Control system for vibrating a member at its resonant frequency
DE3442483A1 (de) * 1984-11-22 1986-05-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum kontaktlosen steuern der aufschlagfrequenz des schwingankers eines elektromagnetischen signalhorns

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771772A (en) * 1971-05-15 1973-11-13 K Honda Ultrasonic cleaning device
DE2448685A1 (de) * 1974-10-12 1976-04-22 Bosch Gmbh Robert Elektromagnetisches signalhorn mit kontaktlos gesteuerter membranbewegung
US4395665A (en) * 1981-06-09 1983-07-26 The Arthur G. Russell Company, Incorporated Control system for vibrating a member at its resonant frequency
DE3442483A1 (de) * 1984-11-22 1986-05-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum kontaktlosen steuern der aufschlagfrequenz des schwingankers eines elektromagnetischen signalhorns

Also Published As

Publication number Publication date
EP0266485A2 (de) 1988-05-11
IT1205507B (it) 1989-03-23
JPS63124095A (ja) 1988-05-27
IT8602932A0 (it) 1986-11-05

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Inventor name: CORTINOVIS, BRUNO

Inventor name: GIORGIONI, TULLIO