GB2272819B - Electroacoustic transducer - Google Patents
Electroacoustic transducerInfo
- Publication number
- GB2272819B GB2272819B GB9323759A GB9323759A GB2272819B GB 2272819 B GB2272819 B GB 2272819B GB 9323759 A GB9323759 A GB 9323759A GB 9323759 A GB9323759 A GB 9323759A GB 2272819 B GB2272819 B GB 2272819B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electroacoustic transducer
- electroacoustic
- transducer
- 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.)
- Expired - Fee Related
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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
-
- 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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
-
- 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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0666—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface used as a diaphragm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4238924A DE4238924A1 (en) | 1992-11-19 | 1992-11-19 | Electroacoustic transducer |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9323759D0 GB9323759D0 (en) | 1994-01-05 |
GB2272819A GB2272819A (en) | 1994-05-25 |
GB2272819B true GB2272819B (en) | 1996-07-03 |
Family
ID=6473189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9323759A Expired - Fee Related GB2272819B (en) | 1992-11-19 | 1993-11-18 | Electroacoustic transducer |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4238924A1 (en) |
GB (1) | GB2272819B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008164569A (en) * | 2007-01-05 | 2008-07-17 | Nippon Ceramic Co Ltd | Ultrasonic sensor |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5656779A (en) * | 1992-12-04 | 1997-08-12 | Trw Inc. | Apparatus and method for producing structural and acoustic vibrations |
GB2279745B (en) * | 1993-07-09 | 1996-10-30 | Marconi Gec Ltd | Acoustic transmitting and receiving unit |
US5901231A (en) * | 1995-09-25 | 1999-05-04 | Noise Cancellation Technologies, Inc. | Piezo speaker for improved passenger cabin audio systems |
WO1997016048A1 (en) * | 1995-10-20 | 1997-05-01 | C.R.F. Societa' Consortile Per Azioni | Sound reproduction system for vehicles |
GB9618947D0 (en) * | 1996-09-11 | 1996-10-23 | Hustwitt Michael W | Ultrasonic object detection system |
TW345132U (en) * | 1998-03-26 | 1998-11-11 | shi-xiong Li | Improved structure for sensor of car backing radar |
JP4468262B2 (en) | 2005-08-01 | 2010-05-26 | 株式会社日本自動車部品総合研究所 | Obstacle detection device |
JP2007114182A (en) | 2005-09-22 | 2007-05-10 | Denso Corp | Mounting structure of ultrasonic sensor |
DE102005046173A1 (en) * | 2005-09-27 | 2007-04-05 | Siemens Ag | Ultrasound transducer used as a parking aid comprises a U-shaped pot with a hollow cylindrical wall and an end on the front side forming the transducer face and an electromechanical transducer arranged on the inner side |
JP2007142967A (en) | 2005-11-21 | 2007-06-07 | Denso Corp | Ultrasonic sensor |
JP2007147319A (en) | 2005-11-24 | 2007-06-14 | Nippon Soken Inc | Obstacle detection device |
JP2007155675A (en) | 2005-12-08 | 2007-06-21 | Denso Corp | Ultrasonic sensor |
JP2007283809A (en) * | 2006-04-13 | 2007-11-01 | Anden | Alarm sound generating device to emit alarm to around vehicle |
DE102006028213A1 (en) * | 2006-06-14 | 2007-12-20 | Valeo Schalter Und Sensoren Gmbh | Ultrasonic sensor e.g. motor vehicle ultrasonic sensor, has decoupling unit extending in sections between diaphragm and section of housing, and decoupling unit completely formed from foam material in sections |
DE102006038598A1 (en) * | 2006-08-17 | 2008-05-15 | Siemens Ag | Ultrasound producing device e.g. ultrasonic sensor such as distance sensor, for motor vehicle i.e. passenger car, has ultrasonic transducer mechanically coupled to thin-walled inner side of bumper |
US7775110B2 (en) * | 2006-09-22 | 2010-08-17 | Denso Corporation | Ultrasonic sensor |
WO2008125260A1 (en) | 2007-04-12 | 2008-10-23 | Volkswagen Aktiengesellschaft | Invisible ultrasonic sensor |
DE102008016558B4 (en) * | 2008-04-01 | 2017-10-19 | Hella Kgaa Hueck & Co. | Assembly with a bumper and an ultrasonic sensor |
DE102010025194B4 (en) | 2010-06-26 | 2021-03-25 | Volkswagen Ag | Ultrasonic transducer, arrangement of an ultrasonic sensor in a plastic component of a motor vehicle and production of the arrangement |
DE102010044996A1 (en) | 2010-09-10 | 2012-03-15 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for vehicle, particularly car, has outer cladding part in which recess is formed and sensor, particularly ultrasonic sensor which has end piece |
DE102010047707A1 (en) | 2010-10-06 | 2012-04-12 | Volkswagen Ag | Method for connecting electro-acoustic transducer with retention device of motor vehicle, involves connecting transducer with retention device where angle is formed between sound waves emitting surface and retention device support surface |
DE102011105013A1 (en) | 2011-06-20 | 2012-12-20 | Volkswagen Ag | An ultrasonic sensor device for a vehicle and an arrangement with an ultrasonic sensor device |
DE102011105017A1 (en) | 2011-06-20 | 2012-12-20 | Valeo Schalter Und Sensoren Gmbh | Ultrasonic sensor device for a vehicle and arrangement with such an ultrasonic sensor device |
DE102011121095A1 (en) | 2011-12-14 | 2013-06-20 | Valeo Schalter Und Sensoren Gmbh | Arrangement with vehicle component e.g. bumper of motor car, has sensor housing in which ultrasonic transducer is arranged regionally and through which sensor is connected to component partially formed from sound absorbing material |
DE102012209238A1 (en) * | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | An ultrasonic sensor and apparatus and method for measuring a distance between a vehicle and an obstacle |
DE102012106694A1 (en) | 2012-07-24 | 2014-02-13 | Valeo Schalter Und Sensoren Gmbh | An ultrasonic sensor device comprising a stiffening element and a mounting lid, an arrangement and a method for producing such an ultrasonic sensor device |
DE102012106697A1 (en) * | 2012-07-24 | 2014-01-30 | Volkswagen Ag | Ultrasonic sensor arrangement with a stiffening holder, arrangement, motor vehicle and corresponding method |
DE102012106700A1 (en) | 2012-07-24 | 2014-01-30 | Valeo Schalter Und Sensoren Gmbh | Ultrasonic sensor arrangement with an intermediate element, apparatus and method for producing an ultrasonic sensor arrangement for a motor vehicle |
DE102012106693A1 (en) | 2012-07-24 | 2014-01-30 | Valeo Schalter Und Sensoren Gmbh | Ultrasonic sensor arrangement with an ultrasonic sensor in the radiator grille, motor vehicle and corresponding method |
DE102012106692A1 (en) | 2012-07-24 | 2014-01-30 | Valeo Schalter Und Sensoren Gmbh | Method for mounting ultrasound sensor device in motor vehicle e.g. passenger car, involves connecting ultrasound sensor device with rear side of trim panel, through adhesive compound |
DE102012106695A1 (en) | 2012-07-24 | 2014-01-30 | Volkswagen Ag | Ultrasonic sensor arrangement with a nondestructive repair solution, motor vehicle and corresponding method |
DE102012106696A1 (en) | 2012-07-24 | 2014-01-30 | Volkswagen Ag | Ultrasonic sensor device with an improved decoupling ring and motor vehicle |
DE102012106698A1 (en) | 2012-07-24 | 2014-01-30 | Volkswagen Ag | Ultrasonic sensor arrangement with a concealed in a trough arranged ultrasonic sensor, motor vehicle and method for producing an ultrasonic sensor assembly |
DE102012014810A1 (en) * | 2012-07-26 | 2014-01-30 | Volkswagen Aktiengesellschaft | Ultrasonic sensor device |
DE102012109838A1 (en) | 2012-10-16 | 2014-04-17 | Volkswagen Ag | Ultrasonic sensor device with a stiffening unit, arrangement, motor vehicle and method for producing an arrangement |
DE102016214449A1 (en) | 2016-08-04 | 2018-02-08 | Robert Bosch Gmbh | A vehicle trim assembly having a device for reducing propagation of mechanical vibration |
DE102018105267B3 (en) | 2018-03-07 | 2019-04-25 | Valeo Schalter Und Sensoren Gmbh | Damping element for an ultrasonic sensor |
-
1992
- 1992-11-19 DE DE4238924A patent/DE4238924A1/en not_active Withdrawn
-
1993
- 1993-11-18 GB GB9323759A patent/GB2272819B/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008164569A (en) * | 2007-01-05 | 2008-07-17 | Nippon Ceramic Co Ltd | Ultrasonic sensor |
Also Published As
Publication number | Publication date |
---|---|
DE4238924A1 (en) | 1994-05-26 |
GB9323759D0 (en) | 1994-01-05 |
GB2272819A (en) | 1994-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19991118 |