ES2527050T3 - Alarma acústica con un elemento piezoeléctrico activado con múltiples frecuencias - Google Patents

Alarma acústica con un elemento piezoeléctrico activado con múltiples frecuencias Download PDF

Info

Publication number: ES2527050T3
Authority: ES; Spain
Prior art keywords: piezoelectric element; frequency; siren; waveform; resonant frequency
Prior art date: 2002-05-23
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 - Lifetime

Application number

ES03730331.0T

Other languages

English (en)

Spanish (es)

Inventor

Michael Barson

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.)

Novar Systems Ltd

Original Assignee

Gent Ltd

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.)

2002-05-23

Filing date

2003-05-23

Publication date

2015-01-20

2003-05-23 Application filed by Gent Ltd filed Critical Gent Ltd

2015-01-20 Application granted granted Critical

2015-01-20 Publication of ES2527050T3 publication Critical patent/ES2527050T3/es

2023-05-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000004913 activation Effects 0.000 claims abstract description 56
230000004044 response Effects 0.000 claims description 10
230000008901 benefit Effects 0.000 description 13
241000269400 Sirenidae Species 0.000 description 11
238000001228 spectrum Methods 0.000 description 10
238000006073 displacement reaction Methods 0.000 description 7
238000001514 detection method Methods 0.000 description 5
230000003213 activating effect Effects 0.000 description 4
239000003990 capacitor Substances 0.000 description 4
230000008859 change Effects 0.000 description 3
230000001174 ascending effect Effects 0.000 description 2
230000005284 excitation Effects 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000000034 method Methods 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
230000001360 synchronised effect Effects 0.000 description 2
230000032683 aging Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000004069 differentiation Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000000779 smoke Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1

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)
Piezo-Electric Transducers For Audible Bands (AREA)

ES03730331.0T 2002-05-23 2003-05-23 Alarma acústica con un elemento piezoeléctrico activado con múltiples frecuencias Expired - Lifetime ES2527050T3 (es)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0211987		2002-05-23
GB0211987A GB2388995B (en)	2002-05-23	2002-05-23	Improvements in and relating to alarms
PCT/GB2003/002268 WO2003099468A1 (en)	2002-05-23	2003-05-23	Acoustic alarm having a piezo-electric element driven at multiple frequencies

Publications (1)

Publication Number	Publication Date
ES2527050T3 true ES2527050T3 (es)	2015-01-20

Family

ID=9937352

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES03730331.0T Expired - Lifetime ES2527050T3 (es)	2002-05-23	2003-05-23	Alarma acústica con un elemento piezoeléctrico activado con múltiples frecuencias

Country Status (5)

Country	Link
EP (1)	EP1507603B1 (de)
AU (1)	AU2003241013A1 (de)
ES (1)	ES2527050T3 (de)
GB (1)	GB2388995B (de)
WO (1)	WO2003099468A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20080239876A1 (en) *	2006-09-18	2008-10-02	American Technology Corporation	High intensity vehicle proximity acoustics
US9900705B2 (en)	2014-01-23	2018-02-20	Federal Signal Corporation	Tone generation
JP6775201B2 (ja) *	2017-05-22	2020-10-28	パナソニックＩｐマネジメント株式会社	警報音の音響装置及び音響システム
US10522008B1 (en)	2018-09-24	2019-12-31	Challenge/Surge Inc.	Alarm with piezoelectric element driven repetitively over pseudorandom frequencies
CN109003597B (zh) *	2018-09-25	2023-11-03	华润微集成电路(无锡)有限公司	蜂鸣器驱动电路及相应的蜂鸣器驱动方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3890612A (en) *	1973-09-28	1975-06-17	Mallory & Co Inc P R	High output audible alarm device utilizing a piezoelectric transducer
US3975650A (en) *	1975-01-30	1976-08-17	Payne Stephen C	Ultrasonic generator drive circuit
DE3138068A1 (de) *	1980-11-10	1982-07-08	Marukokeihouki Co. Ltd., Nagano	Piezoelektrische mehrfrequenz-schallerzeugungsvorrichtung
JPS57119397A (en) *	1981-01-16	1982-07-24	Canon Kk	Sound pressure selector for sound emitting body
JPS57210395A (en) *	1981-06-19	1982-12-23	Ricoh Kk	Piezo-electric buzzer driving system
JPS6113800A (ja) *	1984-06-28	1986-01-22	Murata Mfg Co Ltd	圧電ブザ−
KR900003594B1 (ko) *	1985-01-07	1990-05-26	니홍덴소 가부시기 가이샤	경보음 발생장치
JPH0832111B2 (ja) *	1986-10-28	1996-03-27	松下電器産業株式会社	発音体
FR2619947B1 (fr) *	1987-09-02	1989-11-17	Roger Jean Michel	Corne de brume pour signaux phoniques automatique
JP3310279B2 (ja) *	1990-03-27	2002-08-05	ヤマハ発動機株式会社	警音装置
GB2368997B (en) *	2000-07-18	2005-05-11	Rafiki Prot Ltd	Audible warning devices

2002
- 2002-05-23 GB GB0211987A patent/GB2388995B/en not_active Expired - Fee Related
2003
- 2003-05-23 WO PCT/GB2003/002268 patent/WO2003099468A1/en not_active Ceased
- 2003-05-23 AU AU2003241013A patent/AU2003241013A1/en not_active Abandoned
- 2003-05-23 ES ES03730331.0T patent/ES2527050T3/es not_active Expired - Lifetime
- 2003-05-23 EP EP03730331.0A patent/EP1507603B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
AU2003241013A1 (en)	2003-12-12
GB0211987D0 (en)	2002-07-03
GB2388995B (en)	2004-06-30
GB2388995A (en)	2003-11-26
EP1507603B1 (de)	2014-12-03
WO2003099468A1 (en)	2003-12-04
EP1507603A1 (de)	2005-02-23

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ES2244005T3 (es)	2005-12-01	Sistema de control de receptor acustico.
JP5029706B2 (ja)	2012-09-19	車両存在報知装置
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US4583313A (en)	1986-04-22	Fishing lure
CN101855913A (zh)	2010-10-06	报警设备和方法
ES2527050T3 (es)	2015-01-20	Alarma acústica con un elemento piezoeléctrico activado con múltiples frecuencias
JP2012148642A (ja)	2012-08-09	車両接近通報装置
JP2000293186A (ja)	2000-10-20	発音体駆動回路および作動音発生装置
JP2001512254A (ja)	2001-08-21	電気警音器の定周波数音響発生の制御方法および装置
US20100102940A1 (en)	2010-04-29	Electronic sound level control in audible signaling devices
US7501935B2 (en)	2009-03-10	Multi-frequency fire alarm sounder
WO2019131639A1 (ja)	2019-07-04	音響装置、音響制御装置、及びプログラム
US6559758B2 (en)	2003-05-06	Multi-tone warning sounder
JP5402849B2 (ja)	2014-01-29	擬似エンジン音発生装置
EP3518231B1 (de)	2023-08-30	Tonausgabevorrichtung, benachrichtigungsvorrichtung und sensor
JP5370206B2 (ja)	2013-12-18	車両存在報知装置
JPH06118964A (ja)	1994-04-28	ブザー吹鳴装置
ES3047282T3 (en)	2025-12-03	Power control for piezo sounder
JPH08320384A (ja)	1996-12-03	振動報知機能付き電子機器
US5432294A (en)	1995-07-11	Electronic bell tone generator
JP3330819B2 (ja)	2002-09-30	他励式ブザー駆動回路
EP0239914A2 (de)	1987-10-07	Mit einem harmonischen Klang mit vielfach regulierbarer Lautstärke versehenes elektronisches Lautsprechersystem
JPH0453320B2 (de)	1992-08-26
JPS5854940Y2 (ja)	1983-12-15	鼠追放装置
RU2744773C1 (ru)	2021-03-15	Акустическая установка для излучения поперечной звуковой волны в газовой среде