WO2001008448A3 - Piezoelektrischer akustischer alarmgeber - Google Patents
Piezoelektrischer akustischer alarmgeber Download PDFInfo
- Publication number
- WO2001008448A3 WO2001008448A3 PCT/DE2000/002430 DE0002430W WO0108448A3 WO 2001008448 A3 WO2001008448 A3 WO 2001008448A3 DE 0002430 W DE0002430 W DE 0002430W WO 0108448 A3 WO0108448 A3 WO 0108448A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piezoelectric
- acoustic alarm
- excited
- alarm
- square wave
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Burglar Alarm Systems (AREA)
- Fire-Detection Mechanisms (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Alarm Systems (AREA)
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU72681/00A AU762902B2 (en) | 1999-07-23 | 2000-07-18 | Piezoelectric acoustic alarm |
AT00960322T ATE249133T1 (de) | 1999-07-23 | 2000-07-18 | Piezoelektrischer akustischer alarmgeber |
EP00960322A EP1197121B1 (de) | 1999-07-23 | 2000-07-18 | Piezoelektrischer akustischer alarmgeber |
DE50003563T DE50003563D1 (de) | 1999-07-23 | 2000-07-18 | Piezoelektrischer akustischer alarmgeber |
CA002380244A CA2380244C (en) | 1999-07-23 | 2000-07-18 | Piezoelectric acoustic alarm |
US10/031,734 US6541894B1 (en) | 1999-07-23 | 2000-07-18 | Piezoelectric acoustic alarm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19935768.4 | 1999-07-23 | ||
DE19935768A DE19935768C2 (de) | 1999-07-23 | 1999-07-23 | Piezoelektrischer akustischer Alarmgeber |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001008448A2 WO2001008448A2 (de) | 2001-02-01 |
WO2001008448A3 true WO2001008448A3 (de) | 2001-05-25 |
Family
ID=7916560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/002430 WO2001008448A2 (de) | 1999-07-23 | 2000-07-18 | Piezoelektrischer akustischer alarmgeber |
Country Status (8)
Country | Link |
---|---|
US (1) | US6541894B1 (de) |
EP (1) | EP1197121B1 (de) |
AT (1) | ATE249133T1 (de) |
AU (1) | AU762902B2 (de) |
CA (1) | CA2380244C (de) |
DE (2) | DE19935768C2 (de) |
WO (1) | WO2001008448A2 (de) |
ZA (1) | ZA200200491B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011114471B4 (de) | 2011-09-28 | 2013-05-08 | Eads Deutschland Gmbh | Membrananordnung zur Schallerzeugung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875355A (en) * | 1954-05-24 | 1959-02-24 | Gulton Ind Inc | Ultrasonic zone plate focusing transducer |
US4129799A (en) * | 1975-12-24 | 1978-12-12 | Sri International | Phase reversal ultrasonic zone plate transducer |
US4237399A (en) * | 1977-12-29 | 1980-12-02 | Sony Corporation | Driving circuit for piezo-electric multimorph transducer |
DE3146948A1 (de) * | 1981-11-26 | 1983-06-01 | Siemens AG, 1000 Berlin und 8000 München | "elektromechanischer wandler" |
DE3423009A1 (de) * | 1983-06-23 | 1986-05-22 | L'Etat Français représenté par le Délégué Général pour l'Armement, Paris | Verfahren und elektroakustischer wandler zum aussenden oder empfangen von schallwellen in mehreren durchlassbaendern |
EP0264991A1 (de) * | 1986-09-29 | 1988-04-27 | Altometer Produktiebedrijf | Ultrasonorer Durchflussmesser |
US5281899A (en) * | 1990-03-05 | 1994-01-25 | Rockwell International Corporation | Electrical drive for a segmented transducer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2126436A (en) * | 1935-01-07 | 1938-08-09 | Brush Deveiepment Company | Acoustical apparatus |
US3872470A (en) * | 1973-04-18 | 1975-03-18 | Airco Inc | Audible signal generating apparatus having selectively controlled audible output |
JPS60134700A (ja) * | 1983-12-23 | 1985-07-17 | Nippon Denso Co Ltd | 発音装置 |
US4700100A (en) * | 1986-09-02 | 1987-10-13 | Magnavox Government And Industrial Electronics Company | Flexural disk resonant cavity transducer |
JPH01115427A (ja) * | 1987-10-29 | 1989-05-08 | Nkk Corp | 湿式集塵装置のダストおよび洗滌水排出方法 |
JPH0479779A (ja) * | 1990-07-18 | 1992-03-13 | Asmo Co Ltd | 超音波モータの駆動回路 |
JP2737420B2 (ja) * | 1991-03-04 | 1998-04-08 | 日本電気株式会社 | 超音波モータの駆動方式 |
US5258743A (en) * | 1991-07-29 | 1993-11-02 | Uniplex Corporation | Piezoelectric motion sensor |
US5317305A (en) * | 1992-01-30 | 1994-05-31 | Campman James P | Personal alarm device with vibrating accelerometer motion detector and planar piezoelectric hi-level sound generator |
US5842288A (en) * | 1996-12-10 | 1998-12-01 | U.S. Controls Corporation | Clothes dryer with chiming alarm |
JP2002112564A (ja) * | 2000-09-29 | 2002-04-12 | Minolta Co Ltd | アクチュエータの駆動装置 |
-
1999
- 1999-07-23 DE DE19935768A patent/DE19935768C2/de not_active Expired - Fee Related
-
2000
- 2000-07-18 EP EP00960322A patent/EP1197121B1/de not_active Expired - Lifetime
- 2000-07-18 US US10/031,734 patent/US6541894B1/en not_active Expired - Fee Related
- 2000-07-18 AT AT00960322T patent/ATE249133T1/de not_active IP Right Cessation
- 2000-07-18 DE DE50003563T patent/DE50003563D1/de not_active Expired - Fee Related
- 2000-07-18 AU AU72681/00A patent/AU762902B2/en not_active Ceased
- 2000-07-18 CA CA002380244A patent/CA2380244C/en not_active Expired - Fee Related
- 2000-07-18 WO PCT/DE2000/002430 patent/WO2001008448A2/de active IP Right Grant
-
2002
- 2002-01-21 ZA ZA200200491A patent/ZA200200491B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875355A (en) * | 1954-05-24 | 1959-02-24 | Gulton Ind Inc | Ultrasonic zone plate focusing transducer |
US4129799A (en) * | 1975-12-24 | 1978-12-12 | Sri International | Phase reversal ultrasonic zone plate transducer |
US4237399A (en) * | 1977-12-29 | 1980-12-02 | Sony Corporation | Driving circuit for piezo-electric multimorph transducer |
DE3146948A1 (de) * | 1981-11-26 | 1983-06-01 | Siemens AG, 1000 Berlin und 8000 München | "elektromechanischer wandler" |
DE3423009A1 (de) * | 1983-06-23 | 1986-05-22 | L'Etat Français représenté par le Délégué Général pour l'Armement, Paris | Verfahren und elektroakustischer wandler zum aussenden oder empfangen von schallwellen in mehreren durchlassbaendern |
EP0264991A1 (de) * | 1986-09-29 | 1988-04-27 | Altometer Produktiebedrijf | Ultrasonorer Durchflussmesser |
US5281899A (en) * | 1990-03-05 | 1994-01-25 | Rockwell International Corporation | Electrical drive for a segmented transducer |
Non-Patent Citations (1)
Title |
---|
"GENERATEURS SONORES A CERAMIQUES PIEZOELECTRIQUES", ELECTRONIQUE APPLICATIONS,FR,SOCIETE PARISIENNE D'EDITION. PARIS, no. 29, April 1983 (1983-04-01), pages 97, XP000795320 * |
Also Published As
Publication number | Publication date |
---|---|
EP1197121B1 (de) | 2003-09-03 |
CA2380244A1 (en) | 2001-02-01 |
CA2380244C (en) | 2006-02-14 |
EP1197121A2 (de) | 2002-04-17 |
WO2001008448A2 (de) | 2001-02-01 |
ATE249133T1 (de) | 2003-09-15 |
DE19935768C2 (de) | 2003-10-09 |
AU7268100A (en) | 2001-02-13 |
DE50003563D1 (de) | 2003-10-09 |
ZA200200491B (en) | 2002-12-24 |
AU762902B2 (en) | 2003-07-10 |
DE19935768A1 (de) | 2001-02-08 |
US6541894B1 (en) | 2003-04-01 |
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