DK0821822T3 - Piezoelektrisk akustisk alarmgiver, især til køretøjsudstyr - Google Patents

Piezoelektrisk akustisk alarmgiver, især til køretøjsudstyr

Info

Publication number
DK0821822T3
DK0821822T3 DK96911020T DK96911020T DK0821822T3 DK 0821822 T3 DK0821822 T3 DK 0821822T3 DK 96911020 T DK96911020 T DK 96911020T DK 96911020 T DK96911020 T DK 96911020T DK 0821822 T3 DK0821822 T3 DK 0821822T3
Authority
DK
Denmark
Prior art keywords
membrane
pct
date oct
sec
piezoelectric
Prior art date
Application number
DK96911020T
Other languages
English (en)
Inventor
Gilbert Hurst
Original Assignee
Soc D Composants Electr
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 Soc D Composants Electr filed Critical Soc D Composants Electr
Application granted granted Critical
Publication of DK0821822T3 publication Critical patent/DK0821822T3/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Emergency Alarm Devices (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Burglar Alarm Systems (AREA)
DK96911020T 1995-04-05 1996-04-03 Piezoelektrisk akustisk alarmgiver, især til køretøjsudstyr DK0821822T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504006A FR2732805B1 (fr) 1995-04-05 1995-04-05 Avertisseur sonore piezo-electrique, notamment pour l'equipement de vehicules
PCT/FR1996/000498 WO1996031869A1 (fr) 1995-04-05 1996-04-03 Avertisseur sonore piezo-electrique, notamment pour l'equipement de vehicules

Publications (1)

Publication Number Publication Date
DK0821822T3 true DK0821822T3 (da) 2000-06-19

Family

ID=9477762

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96911020T DK0821822T3 (da) 1995-04-05 1996-04-03 Piezoelektrisk akustisk alarmgiver, især til køretøjsudstyr

Country Status (10)

Country Link
US (1) US6166624A (da)
EP (1) EP0821822B1 (da)
AT (1) ATE185921T1 (da)
AU (1) AU5403096A (da)
DE (1) DE69604797T2 (da)
DK (1) DK0821822T3 (da)
ES (1) ES2141494T3 (da)
FR (1) FR2732805B1 (da)
PT (1) PT821822E (da)
WO (1) WO1996031869A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10148303B4 (de) 2001-09-29 2006-12-14 Dbt Gmbh Verwendung eines Warntongebers
DE50106265D1 (de) * 2001-12-01 2005-06-23 Siemens Building Tech Ag Akustischer Alarmgeber für einen Gefahrenmelder
JP4048203B2 (ja) * 2003-02-26 2008-02-20 株式会社ユーエスシー 圧電発電装置
WO2009154658A1 (en) * 2008-02-22 2009-12-23 Piezolnnovations Ultrasonic torsional mode and longitudinal-torsional mode transducer systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249826A (en) * 1925-03-30 1927-05-05 North East Electric Co Improvement in electric horns
JPS59193497A (ja) * 1983-04-18 1984-11-02 富士電気化学株式会社 圧電ブザ−
JPS60134700A (ja) * 1983-12-23 1985-07-17 Nippon Denso Co Ltd 発音装置
JPS6372381A (ja) * 1986-09-17 1988-04-02 株式会社日本自動車部品総合研究所 容量性負荷の駆動方法

Also Published As

Publication number Publication date
PT821822E (pt) 2000-04-28
WO1996031869A1 (fr) 1996-10-10
DE69604797T2 (de) 2000-11-16
ES2141494T3 (es) 2000-03-16
ATE185921T1 (de) 1999-11-15
US6166624A (en) 2000-12-26
AU5403096A (en) 1996-10-23
DE69604797D1 (de) 1999-11-25
EP0821822B1 (fr) 1999-10-20
EP0821822A1 (fr) 1998-02-04
FR2732805A1 (fr) 1996-10-11
FR2732805B1 (fr) 1997-06-20

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