GB1260387A - Transducers - Google Patents

Transducers

Info

Publication number
GB1260387A
GB1260387A GB3981/69A GB398169A GB1260387A GB 1260387 A GB1260387 A GB 1260387A GB 3981/69 A GB3981/69 A GB 3981/69A GB 398169 A GB398169 A GB 398169A GB 1260387 A GB1260387 A GB 1260387A
Authority
GB
United Kingdom
Prior art keywords
sheet
sheets
loud
speaker
alternatively
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
Application number
GB3981/69A
Other languages
English (en)
Inventor
Isao Yamamuro
Masahiko Tamura
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of GB1260387A publication Critical patent/GB1260387A/en
Expired legal-status Critical Current

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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB3981/69A 1968-01-25 1969-01-23 Transducers Expired GB1260387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP403368 1968-01-25

Publications (1)

Publication Number Publication Date
GB1260387A true GB1260387A (en) 1972-01-19

Family

ID=11573635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3981/69A Expired GB1260387A (en) 1968-01-25 1969-01-23 Transducers

Country Status (6)

Country Link
US (1) US3832580A (enrdf_load_stackoverflow)
CH (1) CH518668A (enrdf_load_stackoverflow)
DE (2) DE1902849C3 (enrdf_load_stackoverflow)
FR (1) FR2000770A1 (enrdf_load_stackoverflow)
GB (1) GB1260387A (enrdf_load_stackoverflow)
NL (1) NL6901191A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470513A1 (fr) * 1979-11-26 1981-05-29 Kureha Chemical Ind Co Ltd Dispositif comportant un transducteur a element piezoelectrique macromoleculaire, pour la formation d'images ultrasonores
FR2500635A1 (fr) * 1981-02-25 1982-08-27 United Kingdom Government Perfectionnements aux dispositifs acoustiques sous-marins
WO1985004490A1 (en) * 1984-03-27 1985-10-10 National Research Development Corporation Finding the direction of a sound
FR2571635A1 (fr) * 1984-10-12 1986-04-18 Wolf Gmbh Richard Emetteur acoustique
EP2288179A4 (en) * 2008-05-29 2012-08-29 Murata Manufacturing Co PIEZOELECTRIC SPEAKER, SPEAKER DEVICE, AND TOUCH RETURN DEVICE

Families Citing this family (103)

* Cited by examiner, † Cited by third party
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JPS4926890B1 (enrdf_load_stackoverflow) * 1970-12-04 1974-07-12
FR2145099A5 (enrdf_load_stackoverflow) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
JPS4829420A (enrdf_load_stackoverflow) * 1971-08-20 1973-04-19
JPS5123439B2 (enrdf_load_stackoverflow) * 1971-11-05 1976-07-16
FR2199430A5 (enrdf_load_stackoverflow) * 1972-09-08 1974-04-05 Anvar
JPS5431825B2 (enrdf_load_stackoverflow) * 1973-08-08 1979-10-09
CA1026237A (en) * 1973-09-17 1978-02-14 Kureha Kagaku Kogyo Kabushiki Kaisha Key board switch
JPS5410214B2 (enrdf_load_stackoverflow) * 1973-10-15 1979-05-02
JPS5745760Y2 (enrdf_load_stackoverflow) * 1974-02-18 1982-10-08
US3976897A (en) * 1974-02-18 1976-08-24 Pioneer Electronic Corporation Piezoelectric electro-acoustic diaphragm transducer with composite resilient backing
JPS5220296Y2 (enrdf_load_stackoverflow) * 1974-02-18 1977-05-10
JPS5758877Y2 (enrdf_load_stackoverflow) * 1974-02-18 1982-12-16
JPS5215972B2 (enrdf_load_stackoverflow) * 1974-02-28 1977-05-06
JPS5220297Y2 (enrdf_load_stackoverflow) * 1974-05-10 1977-05-10
US4045695A (en) * 1974-07-15 1977-08-30 Pioneer Electronic Corporation Piezoelectric electro-acoustic transducer
JPS5411867Y2 (enrdf_load_stackoverflow) * 1974-11-27 1979-05-26
NL7502453A (nl) * 1975-03-03 1976-09-07 Philips Nv Inrichting voor het omzetten van elektrische in akoestische trillingen en omgekeerd, voorzien van een membraan, bevattende tenminste een laag piezo-elektrisch polymeer materiaal.
US4048526A (en) * 1975-08-08 1977-09-13 Minnesota Mining And Manufacturing Company Kinetic sensor employing polymeric piezoelectric material
US4051395A (en) * 1975-08-08 1977-09-27 Minnesota Mining And Manufacturing Weight actuated piezoelectric polymeric transducer
JPS5946112B2 (ja) * 1975-12-29 1984-11-10 三菱油化株式会社 アツデンザイリヨウ
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
GB1593271A (en) * 1976-09-21 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
NL7703836A (nl) * 1977-04-07 1977-06-30 Philips Nv Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal.
AT375466B (de) * 1977-07-27 1984-08-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
FR2409654B1 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication
US4170185A (en) * 1978-01-09 1979-10-09 Lectret S.A. Preventing marine fouling
JPS5512508A (en) * 1978-07-10 1980-01-29 Kureha Chem Ind Co Ltd Information recording sheet
US4236235A (en) * 1978-08-24 1980-11-25 The Boeing Company Integrating hydrophone sensing elements
US4322877A (en) * 1978-09-20 1982-04-06 Minnesota Mining And Manufacturing Company Method of making piezoelectric polymeric acoustic transducer
DE2911917C2 (de) * 1979-03-27 1983-08-11 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer Wandler nach dem piezoelektrischen Prinzip
US4283461A (en) * 1979-05-31 1981-08-11 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer antifouling coating
US4297394A (en) * 1979-05-31 1981-10-27 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer antifouling coating and method of use and application
US4282532A (en) * 1979-06-04 1981-08-04 Xerox Corporation Ink jet method and apparatus using a thin film piezoelectric excitor for drop generation
US4296417A (en) * 1979-06-04 1981-10-20 Xerox Corporation Ink jet method and apparatus using a thin film piezoelectric excitor for drop generation with spherical and cylindrical fluid chambers
US4615962A (en) * 1979-06-25 1986-10-07 University Patents, Inc. Diacetylenes having liquid crystal phases
US4316115A (en) * 1979-12-03 1982-02-16 Raytheon Company Polymeric piezoelectric microprobe with damper
US4295010A (en) * 1980-02-22 1981-10-13 Lectret S.A. Plural piezoelectric polymer film acoustic transducer
DE3009068A1 (de) * 1980-03-10 1981-09-24 Reinhard Dipl.-Ing. Lerch Piezopolymer-wandler mit fester membranunterstuetzung
US4536450A (en) * 1980-03-12 1985-08-20 University Patents, Inc. Nonlinear optical materials and processes employing diacetylenes
JPS5741100A (en) * 1980-08-23 1982-03-06 Kureha Chem Ind Co Ltd Ultrasonic probe
US4356424A (en) * 1980-11-24 1982-10-26 Eastman Kodak Company Pseudo-AC method of nonuniformly poling a body of polymeric piezoelectric material and flexure elements produced thereby
US4453044A (en) * 1982-02-09 1984-06-05 Lectret S.A. Electro-acoustic transducer with plural piezoelectric film
FR2521382A2 (fr) * 1982-02-09 1983-08-12 Lectret Sa Transducteur acoustique
US4877988A (en) * 1982-03-01 1989-10-31 Battelle Memorial Institute Piezoelectric and pyroelectric polymers
US4628907A (en) * 1984-03-22 1986-12-16 Epley John M Direct contact hearing aid apparatus
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
US5185549A (en) * 1988-12-21 1993-02-09 Steven L. Sullivan Dipole horn piezoelectric electro-acoustic transducer design
CA2015812A1 (en) * 1989-05-02 1990-11-02 Shiro Nakayama Piezoelectric acceleration sensor and piezoelectric acceleration sensor device
FR2651633B1 (fr) * 1989-09-01 1992-04-30 Thomson Consumer Electronics Element et dispositifs de transducteurs electroacoustiques a bimorphe de polymere piezoelectrique notamment pour la realisation d'un haut-parleur a diagramme de rayonnement de type lineaire.
US5065194A (en) * 1990-05-29 1991-11-12 Eastman Kodak Company Piezo film cleaner
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
EP0557780A1 (de) * 1992-02-25 1993-09-01 Siemens Aktiengesellschaft Ultraschallwandler mit piezoelektrischer Polymerfolie
DE4209374C2 (de) * 1992-03-23 1994-04-28 Siemens Ag Luftultraschallwandler
US5321332A (en) * 1992-11-12 1994-06-14 The Whitaker Corporation Wideband ultrasonic transducer
US5592359A (en) * 1994-07-13 1997-01-07 Undersea Transducer Technology, Inc. Transducer
US5889354A (en) * 1994-08-29 1999-03-30 Oceaneering International Inc. Piezoelectric unit cell
US5828766A (en) * 1994-12-15 1998-10-27 Anthony Gallo Acoustics, Inc. Acoustic speaker system
US6543110B1 (en) 1997-02-07 2003-04-08 Sri International Electroactive polymer fabrication
US6781284B1 (en) 1997-02-07 2004-08-24 Sri International Electroactive polymer transducers and actuators
US6812624B1 (en) * 1999-07-20 2004-11-02 Sri International Electroactive polymers
US6545384B1 (en) 1997-02-07 2003-04-08 Sri International Electroactive polymer devices
US6376971B1 (en) * 1997-02-07 2002-04-23 Sri International Electroactive polymer electrodes
US7320457B2 (en) * 1997-02-07 2008-01-22 Sri International Electroactive polymer devices for controlling fluid flow
US6140740A (en) * 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6400065B1 (en) * 1998-03-31 2002-06-04 Measurement Specialties, Inc. Omni-directional ultrasonic transducer apparatus and staking method
US6239535B1 (en) * 1998-03-31 2001-05-29 Measurement Specialties Inc. Omni-directional ultrasonic transducer apparatus having controlled frequency response
ATE381116T1 (de) * 1999-07-20 2007-12-15 Stanford Res Inst Int Elektroaktive polymergeneratoren
US7537197B2 (en) * 1999-07-20 2009-05-26 Sri International Electroactive polymer devices for controlling fluid flow
EP1848046B1 (en) * 1999-07-20 2012-10-03 SRI International Transducers of electroactive polymers
US6664718B2 (en) * 2000-02-09 2003-12-16 Sri International Monolithic electroactive polymers
WO2001031715A1 (en) * 1999-10-22 2001-05-03 The Government Of The United States As Represented By The Administrator Of The National Aeronautics And Space Administration Non-uniform thickness electroactive device
US6911764B2 (en) * 2000-02-09 2005-06-28 Sri International Energy efficient electroactive polymers and electroactive polymer devices
JP5479659B2 (ja) 2000-02-23 2014-04-23 エスアールアイ インターナショナル 生体によって動力を供給される電気活性ポリマジェネレータ
WO2001063738A2 (en) 2000-02-23 2001-08-30 Sri International Electroactive polymer thermal electric generators
US6411014B1 (en) * 2000-05-09 2002-06-25 Measurement Specialties, Inc. Cylindrical transducer apparatus
US6657365B1 (en) * 2000-05-31 2003-12-02 Westerngeco, L.L.C. Hybrid piezo-film continuous line and discrete element arrays
US6847155B2 (en) * 2001-04-24 2005-01-25 Clemson University Electroactive apparatus and methods
US7233097B2 (en) * 2001-05-22 2007-06-19 Sri International Rolled electroactive polymers
US6919669B2 (en) * 2002-03-15 2005-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Electro-active device using radial electric field piezo-diaphragm for sonic applications
DK1512215T3 (da) * 2002-03-18 2011-12-05 Stanford Res Inst Int Elektroaktive polymeranordning til bevægelse af fluid
US7411331B2 (en) * 2002-05-10 2008-08-12 Massachusetts Institute Of Technology Dielectric elastomer actuated systems and methods
US7362889B2 (en) * 2002-05-10 2008-04-22 Massachusetts Institute Of Technology Elastomeric actuator devices for magnetic resonance imaging
DE602005024179D1 (de) * 2004-11-24 2010-11-25 Remon Medical Technologies Ltd Implantierbares medizinprodukt mit integriertem akustischem wandler
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7912548B2 (en) 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
EP2043740A2 (en) 2006-07-21 2009-04-08 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implanted medical device
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
AU2008266678B2 (en) * 2007-06-14 2013-06-20 Cardiac Pacemakers, Inc. Multi-element acoustic recharging system
US7952261B2 (en) 2007-06-29 2011-05-31 Bayer Materialscience Ag Electroactive polymer transducers for sensory feedback applications
EP2239793A1 (de) 2009-04-11 2010-10-13 Bayer MaterialScience AG Elektrisch schaltbarer Polymerfilmaufbau und dessen Verwendung
JP5387293B2 (ja) * 2009-09-29 2014-01-15 日本電気株式会社 音響トランスデューサ
US8712559B2 (en) * 2010-02-10 2014-04-29 The Board Of Trustees Of The University Of Illionois Adaptive control for uncertain nonlinear multi-input multi-output systems
EP2681748B1 (en) 2011-03-01 2016-06-08 Parker-Hannifin Corp Automated manufacturing processes for producing deformable polymer devices and films
KR20140019801A (ko) 2011-03-22 2014-02-17 바이엘 인텔렉쳐 프로퍼티 게엠베하 전기활성 중합체 작동기 렌티큘라 시스템
WO2012157691A1 (ja) * 2011-05-17 2012-11-22 株式会社村田製作所 平面型スピーカおよびａｖ機器
US9876160B2 (en) 2012-03-21 2018-01-23 Parker-Hannifin Corporation Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
WO2013192143A1 (en) 2012-06-18 2013-12-27 Bayer Intellectual Property Gmbh Stretch frame for stretching process
US9590193B2 (en) 2012-10-24 2017-03-07 Parker-Hannifin Corporation Polymer diode
KR101514543B1 (ko) * 2013-09-17 2015-04-22 삼성전기주식회사 마이크로폰
DE102015103295A1 (de) * 2015-03-06 2016-09-08 Atlas Elektronik Gmbh Schallwandler zum Senden und/oder zum Empfangen von akustischen Unterwassersignalen, Wandlervorrichtung, Sonar und Wasserfahrzeug

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470513A1 (fr) * 1979-11-26 1981-05-29 Kureha Chemical Ind Co Ltd Dispositif comportant un transducteur a element piezoelectrique macromoleculaire, pour la formation d'images ultrasonores
FR2500635A1 (fr) * 1981-02-25 1982-08-27 United Kingdom Government Perfectionnements aux dispositifs acoustiques sous-marins
WO1985004490A1 (en) * 1984-03-27 1985-10-10 National Research Development Corporation Finding the direction of a sound
US4935908A (en) * 1984-03-27 1990-06-19 National Research Development Corporation Finding the direction of a sound
FR2571635A1 (fr) * 1984-10-12 1986-04-18 Wolf Gmbh Richard Emetteur acoustique
EP2288179A4 (en) * 2008-05-29 2012-08-29 Murata Manufacturing Co PIEZOELECTRIC SPEAKER, SPEAKER DEVICE, AND TOUCH RETURN DEVICE
US8363863B2 (en) 2008-05-29 2013-01-29 Murata Manufacturing Co., Ltd. Piezoelectric speaker, speaker apparatus, and tactile feedback apparatus

Also Published As

Publication number Publication date
DE1902849A1 (de) 1969-09-11
DE1967130C2 (de) 1982-04-01
NL6901191A (enrdf_load_stackoverflow) 1969-07-29
CH518668A (fr) 1972-01-31
DE1902849B2 (de) 1977-10-20
DE1902849C3 (de) 1978-06-29
US3832580A (en) 1974-08-27
FR2000770A1 (enrdf_load_stackoverflow) 1969-09-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee