GB2272819B - Electroacoustic transducer - Google Patents

Electroacoustic transducer

Info

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
Application number
GB9323759A
Other versions
GB2272819A (en
GB9323759D0 (en
Inventor
Juergen Hoetzel
Wolfgang Thelen
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB9323759D0 publication Critical patent/GB9323759D0/en
Publication of GB2272819A publication Critical patent/GB2272819A/en
Application granted granted Critical
Publication of GB2272819B publication Critical patent/GB2272819B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
GB9323759A 1992-11-19 1993-11-18 Electroacoustic transducer Expired - Fee Related GB2272819B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE69602617T2 (en) * 1995-10-20 1999-12-30 Fiat Ricerche SOUND PLAYING SYSTEM FOR MOTOR 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
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
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
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
DE102012106695A1 (en) 2012-07-24 2014-01-30 Volkswagen Ag Ultrasonic sensor arrangement with a nondestructive repair solution, 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
DE102012106696A1 (en) 2012-07-24 2014-01-30 Volkswagen Ag Ultrasonic sensor device with an improved decoupling ring and motor vehicle
DE102012106697A1 (en) 2012-07-24 2014-01-30 Volkswagen Ag Ultrasonic sensor arrangement with a stiffening holder, arrangement, 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
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
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
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
GB2272819A (en) 1994-05-25
GB9323759D0 (en) 1994-01-05

Similar Documents

Publication Publication Date Title
US5647013C1 (en) Electroacoustic transducer
GB2272819B (en) Electroacoustic transducer
GB2220819B (en) Electroacoustic transducer
GB2232849B (en) Intra-concha type electroacoustic transducer
GB2298715A (en) Transducer arrangement
EP0586136A3 (en) Electroacoustic transducer seal
HK1011137A1 (en) Electroacoustic transducer
HK1011107A1 (en) Electroacoustic transducer
GB9225650D0 (en) An electroacoustic transducer
GB9120580D0 (en) Acoustic transducer
HK1006663A1 (en) Electroacoustic transducer
GB9206710D0 (en) Transducers
GB9110606D0 (en) Transducer
GB2348774B (en) Electro-acoustic transducers
GB2260466B (en) Electroacoustic transducer
GB9002433D0 (en) Transducers
EP0450191A3 (en) Transducer arrangement
GB2260059B (en) Acoustic transducer
GB2249179B (en) Transducers
GB9004763D0 (en) Transducer
GB9015552D0 (en) Transducers
GB2269511B (en) Electro-acoustic transducers
PL294655A1 (en) Electro-acoustic transducer
SU1809783A1 (en) Acoustical-electrical transducer
GB9001927D0 (en) Transducers

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991118