FR2000770A1 - - Google Patents

Info

Publication number
FR2000770A1
FR2000770A1 FR6901553A FR6901553A FR2000770A1 FR 2000770 A1 FR2000770 A1 FR 2000770A1 FR 6901553 A FR6901553 A FR 6901553A FR 6901553 A FR6901553 A FR 6901553A FR 2000770 A1 FR2000770 A1 FR 2000770A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6901553A
Other languages
French (fr)
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 FR2000770A1 publication Critical patent/FR2000770A1/fr
Withdrawn legal-status Critical Current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)
FR6901553A 1968-01-25 1969-01-27 Withdrawn FR2000770A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2000770A1 true FR2000770A1 (en) 1969-09-12

Family

ID=11573635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6901553A Withdrawn FR2000770A1 (en) 1968-01-25 1969-01-27

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792204A (en) * 1970-12-04 1974-02-12 Kureha Chemical Ind Co Ltd Acoustic transducer using a piezoelectric polyvinylidene fluoride resin film as the oscillator

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2145099A5 (en) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
JPS4829420A (en) * 1971-08-20 1973-04-19
JPS5123439B2 (en) * 1971-11-05 1976-07-16
FR2199430A5 (en) * 1972-09-08 1974-04-05 Anvar
JPS5431825B2 (en) * 1973-08-08 1979-10-09
CA1026237A (en) * 1973-09-17 1978-02-14 Kureha Kagaku Kogyo Kabushiki Kaisha Key board switch
JPS5410214B2 (en) * 1973-10-15 1979-05-02
JPS5758877Y2 (en) * 1974-02-18 1982-12-16
JPS5745760Y2 (en) * 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 (en) * 1974-02-18 1977-05-10
JPS5215972B2 (en) * 1974-02-28 1977-05-06
JPS5220297Y2 (en) * 1974-05-10 1977-05-10
US4045695A (en) * 1974-07-15 1977-08-30 Pioneer Electronic Corporation Piezoelectric electro-acoustic transducer
JPS5411867Y2 (en) * 1974-11-27 1979-05-26
NL7502453A (en) * 1975-03-03 1976-09-07 Philips Nv DEVICE FOR CONVERSION OF ELECTRIC INTO ACOUSTIC VIBRATIONS AND VERSIONS, EQUIPPED WITH A MEMBRANE CONTAINING AT LEAST ONE LAYER OF PIEZO-ELECTRIC POLYMER MATERIAL.
US4051395A (en) * 1975-08-08 1977-09-27 Minnesota Mining And Manufacturing Weight actuated piezoelectric polymeric transducer
US4048526A (en) * 1975-08-08 1977-09-13 Minnesota Mining And Manufacturing Company Kinetic sensor employing polymeric piezoelectric material
JPS5946112B2 (en) * 1975-12-29 1984-11-10 三菱油化株式会社 Atsudenzairiyo
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 (en) * 1977-04-07 1977-06-30 Philips Nv A MEMBRANE CONSISTING OF AT LEAST ONE FOIL OF A PIEZELECTRIC POLYMER MATERIAL.
AT375466B (en) * 1977-07-27 1984-08-10 List Hans MEASURING VALUE WITH A PIEZOELECTRIC MEASURING ELEMENT
FR2409654B1 (en) * 1977-11-17 1985-10-04 Thomson Csf PIEZOELECTRIC TRANSDUCER DEVICE AND MANUFACTURING METHOD THEREOF
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 (en) * 1979-03-27 1983-08-11 Sennheiser Electronic Kg, 3002 Wedemark Electroacoustic transducer based on the piezoelectric principle
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
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
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
US4282532A (en) * 1979-06-04 1981-08-04 Xerox Corporation Ink jet method and apparatus using a thin film piezoelectric excitor for drop generation
US4615962A (en) * 1979-06-25 1986-10-07 University Patents, Inc. Diacetylenes having liquid crystal phases
JPS5675686A (en) * 1979-11-26 1981-06-22 Kureha Chem Ind Co Ltd Ultrasonic video device
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 (en) * 1980-03-10 1981-09-24 Reinhard Dipl.-Ing. Lerch PIEZOPOLYMER CONVERTER WITH FIXED MEMBRANE SUPPORT
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
US4486869A (en) * 1981-02-25 1984-12-04 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Underwater acoustic devices
US4453044A (en) * 1982-02-09 1984-06-05 Lectret S.A. Electro-acoustic transducer with plural piezoelectric film
FR2521382A2 (en) * 1982-02-09 1983-08-12 Lectret Sa ACOUSTIC TRANSDUCER
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
GB2156521B (en) * 1984-03-27 1987-09-09 Nat Res Dev Finding the direction of a sound
DE3437488A1 (en) * 1984-10-12 1986-04-17 Richard Wolf Gmbh, 7134 Knittlingen SOUND TRANSMITTER
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 (en) * 1989-09-01 1992-04-30 Thomson Consumer Electronics ELEMENT AND DEVICES FOR ELECTROACOUSTIC TRANSDUCERS WITH PIEZOELECTRIC POLYMER BIMORPH, IN PARTICULAR FOR THE PRODUCTION OF A SPEAKER WITH LINEAR RADIATION DIAGRAM.
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 (en) * 1992-02-25 1993-09-01 Siemens Aktiengesellschaft Ultrasonic transducer with piezoelectric polymer foil
DE4209374C2 (en) * 1992-03-23 1994-04-28 Siemens Ag Air ultrasonic transducer
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
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
US6781284B1 (en) 1997-02-07 2004-08-24 Sri International Electroactive polymer transducers and actuators
US7320457B2 (en) * 1997-02-07 2008-01-22 Sri International Electroactive polymer devices for controlling fluid flow
US6543110B1 (en) 1997-02-07 2003-04-08 Sri International Electroactive polymer fabrication
US6812624B1 (en) * 1999-07-20 2004-11-02 Sri International Electroactive polymers
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6140740A (en) * 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
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
EP1848046B1 (en) * 1999-07-20 2012-10-03 SRI International Transducers of electroactive polymers
US7537197B2 (en) * 1999-07-20 2009-05-26 Sri International Electroactive polymer devices for controlling fluid flow
EP1212800B1 (en) * 1999-07-20 2007-12-12 Sri International Electroactive polymer generators
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
EP2290721B1 (en) 2000-02-23 2017-09-20 SRI International Environmentally powered electroactive polymer generators
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
AU2003218120A1 (en) * 2002-03-15 2003-09-29 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Electro-active device using radial electric field piezo-diaphragm for sonic applications
AU2003225913A1 (en) * 2002-03-18 2003-10-08 Roy David Kornbluh Electroactive polymer devices for moving fluid
US7362889B2 (en) * 2002-05-10 2008-04-22 Massachusetts Institute Of Technology Elastomeric actuator devices for magnetic resonance imaging
US7411331B2 (en) * 2002-05-10 2008-08-12 Massachusetts Institute Of Technology Dielectric elastomer actuated systems and methods
CA2589268A1 (en) * 2004-11-24 2006-06-01 Abraham Penner Implantable medical device with integrated acoustic transducer
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
US7912548B2 (en) 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
US7949396B2 (en) * 2006-07-21 2011-05-24 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implated medical device
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
US7634318B2 (en) * 2007-06-14 2009-12-15 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
WO2009144964A1 (en) 2008-05-29 2009-12-03 株式会社村田製作所 Piezoelectric speaker, speaker device and tactile feedback device
EP2239793A1 (en) 2009-04-11 2010-10-13 Bayer MaterialScience AG Electrically switchable polymer film structure and use thereof
JP5387293B2 (en) * 2009-09-29 2014-01-15 日本電気株式会社 Acoustic transducer
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
SG193003A1 (en) 2011-03-01 2013-10-30 Bayer Ip Gmbh Automated manufacturing processes for producing deformable polymer devices and films
US9195058B2 (en) 2011-03-22 2015-11-24 Parker-Hannifin Corporation Electroactive polymer actuator lenticular system
CN103535053B (en) * 2011-05-17 2017-03-29 株式会社村田制作所 Plane-type loudspeaker and AV equipment
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
WO2014066576A1 (en) 2012-10-24 2014-05-01 Bayer Intellectual Property Gmbh Polymer diode
KR101514543B1 (en) * 2013-09-17 2015-04-22 삼성전기주식회사 Microphone
DE102015103295A1 (en) * 2015-03-06 2016-09-08 Atlas Elektronik Gmbh Sound transducer for transmitting and / or receiving underwater acoustic signals, transducer, sonar and watercraft

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487962A (en) * 1947-08-29 1949-11-15 Brush Dev Co Electromechanical transducer
US2549872A (en) * 1948-03-26 1951-04-24 Bell Telephone Labor Inc Focusing ultrasonic radiator
US2565159A (en) * 1949-04-21 1951-08-21 Brush Dev Co Focused electromechanical device
US2640889A (en) * 1949-05-17 1953-06-02 Zenith Radio Corp Piezoelectric transducer
US2778881A (en) * 1951-08-03 1957-01-22 Gulton Ind Inc Microphone
US2714642A (en) * 1952-07-10 1955-08-02 Bell Telephone Labor Inc High speed relay of electromechanical transducer material
US2802147A (en) * 1954-08-30 1957-08-06 Electric Machinery Mfg Co Electrostrictive capacitive relay flasher circuit
US2900536A (en) * 1954-11-18 1959-08-18 Astatic Corp Design of electro-mechanical transducer elements
US2836738A (en) * 1956-05-02 1958-05-27 Joseph W Crownover Prestressed piezo crystal
US3115588A (en) * 1958-02-05 1963-12-24 Raytheon Co Electroacoustical apparatus
US3007013A (en) * 1959-04-22 1961-10-31 Astatic Corp Microphone construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792204A (en) * 1970-12-04 1974-02-12 Kureha Chemical Ind Co Ltd Acoustic transducer using a piezoelectric polyvinylidene fluoride resin film as the oscillator

Also Published As

Publication number Publication date
DE1902849A1 (en) 1969-09-11
US3832580A (en) 1974-08-27
DE1967130C2 (en) 1982-04-01
GB1260387A (en) 1972-01-19
NL6901191A (en) 1969-07-29
CH518668A (en) 1972-01-31
DE1902849B2 (en) 1977-10-20
DE1902849C3 (en) 1978-06-29

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Legal Events

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ST Notification of lapse