EP1283516A3 - Transducteur à ultrasons avec une membrane entraînable et avec un vibreur piézoélectrique disposé sur cette membrane - Google Patents
Transducteur à ultrasons avec une membrane entraînable et avec un vibreur piézoélectrique disposé sur cette membrane Download PDFInfo
- Publication number
- EP1283516A3 EP1283516A3 EP02013779A EP02013779A EP1283516A3 EP 1283516 A3 EP1283516 A3 EP 1283516A3 EP 02013779 A EP02013779 A EP 02013779A EP 02013779 A EP02013779 A EP 02013779A EP 1283516 A3 EP1283516 A3 EP 1283516A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- ultrasonic transducer
- piezo
- drivable
- vibrator arranged
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title abstract 6
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
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
- G10K9/125—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means with a plurality of active elements
-
- 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
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10138892 | 2001-08-08 | ||
DE2001138892 DE10138892A1 (de) | 2001-08-08 | 2001-08-08 | Ultraschallwandler |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1283516A2 EP1283516A2 (fr) | 2003-02-12 |
EP1283516A3 true EP1283516A3 (fr) | 2008-07-30 |
EP1283516B1 EP1283516B1 (fr) | 2016-07-06 |
Family
ID=7694766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02013779.0A Expired - Lifetime EP1283516B1 (fr) | 2001-08-08 | 2002-06-21 | Transducteur à ultrasons avec une membrane entraînable et avec un vibreur piézoélectrique disposé sur cette membrane |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1283516B1 (fr) |
DE (1) | DE10138892A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10361316B4 (de) * | 2003-12-19 | 2015-08-27 | Valeo Schalter Und Sensoren Gmbh | Ultraschallwandlervorrichtung |
GB0606506D0 (en) * | 2006-03-31 | 2006-05-10 | Univ Strathclyde | Ultrasonic transducer/receiver |
US7982366B2 (en) | 2008-12-16 | 2011-07-19 | Tung Thih Electronic Co., Ltd. | Ultrasound transducer with a dumbbell-shaped chamber |
EP2221802A1 (fr) * | 2009-02-19 | 2010-08-25 | Tung Thih Electronic Co., Ltd. | Transducteur ultrasonore avec une chambre en forme d'haltère |
DE102011079646A1 (de) * | 2011-07-22 | 2013-02-07 | Robert Bosch Gmbh | Ultraschallsensorvorrichtung zum Erfassen und/oder Senden von Ultraschall |
DE102015217778B4 (de) | 2015-09-17 | 2019-05-29 | Robert Bosch Gmbh | Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3721209A1 (de) * | 1987-06-26 | 1989-01-05 | Vega Grieshaber Gmbh & Co | Schall-/ultraschallmessgeraet |
DE19507650A1 (de) * | 1995-03-06 | 1996-09-12 | Gregor Verpoorten | Ultraschallsensor mit segmentierter Membrane |
DE19614885C1 (de) * | 1996-04-16 | 1997-09-04 | Bosch Gmbh Robert | Sensor zum Senden und/oder Empfangen akustischer Signale |
US5834877A (en) * | 1995-08-28 | 1998-11-10 | Accuweb, Inc. | Ultrasonic transducer units for web detection and the like |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3732410A1 (de) * | 1987-09-25 | 1989-04-13 | Siemens Ag | Ultraschallwandler mit astigmatischer sende-/empfangscharakteristik |
-
2001
- 2001-08-08 DE DE2001138892 patent/DE10138892A1/de not_active Withdrawn
-
2002
- 2002-06-21 EP EP02013779.0A patent/EP1283516B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3721209A1 (de) * | 1987-06-26 | 1989-01-05 | Vega Grieshaber Gmbh & Co | Schall-/ultraschallmessgeraet |
DE19507650A1 (de) * | 1995-03-06 | 1996-09-12 | Gregor Verpoorten | Ultraschallsensor mit segmentierter Membrane |
US5834877A (en) * | 1995-08-28 | 1998-11-10 | Accuweb, Inc. | Ultrasonic transducer units for web detection and the like |
DE19614885C1 (de) * | 1996-04-16 | 1997-09-04 | Bosch Gmbh Robert | Sensor zum Senden und/oder Empfangen akustischer Signale |
Also Published As
Publication number | Publication date |
---|---|
EP1283516A2 (fr) | 2003-02-12 |
EP1283516B1 (fr) | 2016-07-06 |
DE10138892A1 (de) | 2003-02-20 |
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Inventor name: JUNG, THOMAS Inventor name: GOTZIG, HEINRICH, DR. Inventor name: KUKAWKA,OLIVER Inventor name: GRUEDL, DIETMAR |
|
RIN1 | Information on inventor provided before grant (corrected) |
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