NO20022473L - Elektromekanisk film og akustisk element - Google Patents

Elektromekanisk film og akustisk element

Info

Publication number
NO20022473L
NO20022473L NO20022473A NO20022473A NO20022473L NO 20022473 L NO20022473 L NO 20022473L NO 20022473 A NO20022473 A NO 20022473A NO 20022473 A NO20022473 A NO 20022473A NO 20022473 L NO20022473 L NO 20022473L
Authority
NO
Norway
Prior art keywords
film
acoustic element
cells
field strength
transforming
Prior art date
Application number
NO20022473A
Other languages
English (en)
Other versions
NO20022473D0 (no
Inventor
Kari Kirjavainen
Original Assignee
Natural Colour Kari Kirjavaine
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 Natural Colour Kari Kirjavaine filed Critical Natural Colour Kari Kirjavaine
Publication of NO20022473D0 publication Critical patent/NO20022473D0/no
Publication of NO20022473L publication Critical patent/NO20022473L/no

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
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/013—Electrostatic transducers characterised by the use of electrets for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Laminated Bodies (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NO20022473A 1999-11-25 2002-05-24 Elektromekanisk film og akustisk element NO20022473L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992514A FI108204B (fi) 1999-11-25 1999-11-25 Kalvo energioiden muuntamiseksi
PCT/FI2000/001027 WO2001039544A1 (en) 1999-11-25 2000-11-24 Electromechanic film and acoustic element

Publications (2)

Publication Number Publication Date
NO20022473D0 NO20022473D0 (no) 2002-05-24
NO20022473L true NO20022473L (no) 2002-05-27

Family

ID=8555639

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20022473A NO20022473L (no) 1999-11-25 2002-05-24 Elektromekanisk film og akustisk element

Country Status (10)

Country Link
US (1) US6759769B2 (no)
EP (1) EP1232669B1 (no)
JP (1) JP2003515919A (no)
AT (1) ATE422140T1 (no)
AU (1) AU1866401A (no)
CA (1) CA2392552C (no)
DE (1) DE60041500D1 (no)
FI (1) FI108204B (no)
NO (1) NO20022473L (no)
WO (1) WO2001039544A1 (no)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7518284B2 (en) * 2000-11-02 2009-04-14 Danfoss A/S Dielectric composite and a method of manufacturing a dielectric composite
US7548015B2 (en) * 2000-11-02 2009-06-16 Danfoss A/S Multilayer composite and a method of making such
US8181338B2 (en) * 2000-11-02 2012-05-22 Danfoss A/S Method of making a multilayer composite
ATE362315T1 (de) 2001-05-18 2007-06-15 Danisco Verfahren zur herstellung von teig mit einem enzym
EP1466149B1 (en) * 2001-12-21 2008-01-23 Danfoss A/S Dielectric actuator or sensor structure and method of making it
FI118622B (fi) * 2002-01-17 2008-01-15 Band Oy B Soittimen muunnin ja menetelmä sen valmistamiseksi
CN100530931C (zh) * 2002-09-20 2009-08-19 丹福斯有限公司 弹性体致动器及制造致动器的方法
ES2521681T3 (es) 2003-01-17 2014-11-13 Dupont Nutrition Biosciences Aps Método para producir un éster de carbohidrato
EP1596794B1 (en) 2003-02-24 2008-06-25 Danfoss A/S Electro active elastic compression bandage
US7615921B2 (en) 2003-06-13 2009-11-10 Fuji Electric Holdings Co., Ltd. Organic EL device and organic EL panel
EP2267108A1 (en) 2004-07-16 2010-12-29 Danisco A/S Enzymatic oil-degumming method
US7732999B2 (en) * 2006-11-03 2010-06-08 Danfoss A/S Direct acting capacitive transducer
US7880371B2 (en) * 2006-11-03 2011-02-01 Danfoss A/S Dielectric composite and a method of manufacturing a dielectric composite
FI20070155A0 (fi) * 2007-02-23 2007-02-23 Panphonics Oy Elektreettilevyrakenne
JP2008213547A (ja) * 2007-02-28 2008-09-18 Nissan Motor Co Ltd 騒音制御装置
CN101978037B (zh) 2007-12-21 2015-06-17 杜邦营养生物科学有限公司 使用脂质酰基转移酶精炼食用油的方法
TWI405472B (zh) 2008-07-31 2013-08-11 Htc Corp 電子裝置及其電聲換能器
EP2376278B1 (de) * 2008-12-13 2012-12-26 Bayer MaterialScience AG Ferroelektret-mehrschichtverbund und verfahren zur herstellung eines ferroelektret-mehrschichtverbunds mit parallelen röhrenförmigen kanälen
MX2011012313A (es) 2009-05-19 2011-12-12 Danisco Uso.
GB0920089D0 (en) 2009-11-17 2009-12-30 Danisco Method
WO2011114251A1 (en) 2010-03-18 2011-09-22 Danisco A/S Foodstuff
US8550823B2 (en) * 2011-01-24 2013-10-08 Single Buoy Moorings, Inc. Rigid to elastic electrode connection
MX2013011617A (es) 2011-04-08 2013-11-21 Danisco Us Inc Composiciones.
JP5708799B2 (ja) 2011-05-17 2015-04-30 株式会社村田製作所 平面型スピーカおよびａｖ機器
US8764685B2 (en) * 2011-06-14 2014-07-01 Abatis Medical Technologies Limited Biomedical interface pressure transducer for medical tourniquets
US8692442B2 (en) 2012-02-14 2014-04-08 Danfoss Polypower A/S Polymer transducer and a connector for a transducer
US8891222B2 (en) 2012-02-14 2014-11-18 Danfoss A/S Capacitive transducer and a method for manufacturing a transducer
US10226744B2 (en) 2012-10-19 2019-03-12 Danisco Us Inc Stabilization of biomimetic membranes
CN105706029B (zh) * 2013-10-08 2019-09-13 株式会社村田制作所 触觉提示装置
EP3083936B1 (en) 2013-12-19 2018-07-04 Danisco US Inc. Use of hydrophobins to increase gas transfer in aerobic fermentation processes
JP6318970B2 (ja) * 2014-08-18 2018-05-09 株式会社村田製作所 振動体および触覚提示装置
US10718323B2 (en) * 2017-05-26 2020-07-21 Nuovo Pignone Tecnologie Srl Synthetic jet pump and an associated method thereof
US11039579B2 (en) 2017-12-12 2021-06-22 3M Innovative Properties Company Electrically switchable shutter

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975307A (en) * 1958-01-02 1961-03-14 Ibm Capacitive prime mover
US3632443A (en) * 1968-04-27 1972-01-04 Sony Corp Method of making polypropylene electrets
JPS4829420A (no) * 1971-08-20 1973-04-19
US3788133A (en) * 1972-08-25 1974-01-29 Toroid Corp Force sensing transducer
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
FR2397120A1 (fr) * 1977-07-04 1979-02-02 Lewiner Jacques Perfectionnements aux transducteurs electromecaniques
JPS55173691U (no) * 1979-05-31 1980-12-12
JPS5647199A (en) * 1979-09-26 1981-04-28 Toray Ind Inc Polymer piezoelectric transducer of multilayered lamination type
FR2472901A1 (fr) * 1979-12-28 1981-07-03 Thomson Csf Transducteur bimorphe en materiau polymere
FR2475804A1 (fr) * 1980-02-12 1981-08-14 Lewiner Jacques Perfectionnements aux nappes composites constitutives de transducteurs electromecaniques et aux transducteurs equipes de telles nappes
FR2477822A1 (fr) * 1980-03-04 1981-09-11 Thomson Csf Transducteur electromecanique a suspension active et son procede de fabrication
US4472604A (en) * 1980-03-08 1984-09-18 Nippon Gakki Seizo Kabushiki Kaisha Planar type electro-acoustic transducer and process for manufacturing same
US4390800A (en) * 1980-06-30 1983-06-28 Tokyo Shibaura Denki Kabushiki Kaisha Electret device
US4443711A (en) * 1980-06-30 1984-04-17 Tokyo Shibaura Denki Kabushiki Kaisha Electret device
GB2079053B (en) * 1980-06-30 1984-03-28 Tokyo Shibaura Electric Co Electret device
NL8004351A (nl) * 1980-07-30 1982-03-01 Philips Nv Elektreetomzetter.
JPS57188105A (en) * 1981-05-14 1982-11-19 Toshiba Corp Electret constituent
US4434327A (en) * 1981-11-20 1984-02-28 Bell Telephone Laboratories, Incorporated Electret transducer with variable actual air gap
US4429193A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable effective air gap
US4442324A (en) * 1982-06-24 1984-04-10 Tibbetts Industries, Inc. Encapsulated backplate for electret transducers
US4891843A (en) * 1983-02-24 1990-01-02 At&T Technologies, Inc. Electret microphone
US4513049A (en) * 1983-04-26 1985-04-23 Mitsui Petrochemical Industries, Ltd. Electret article
JPS59228919A (ja) * 1983-06-09 1984-12-22 Fuji Xerox Co Ltd エレクトレツトハニカムフイルタ−
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
FR2603422B1 (fr) * 1986-08-27 1988-12-30 Inst Francais Du Petrole Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede
JPH03141936A (ja) * 1989-10-30 1991-06-17 Fujitsu Ltd 超音波探触子
EP0462311B1 (de) * 1990-06-21 1995-04-05 Siemens Aktiengesellschaft Verbund-Ultraschallwandler und Verfahren zur Herstellung eines strukturierten Bauelementes aus piezoelektrischer Keramik
FI913741A (fi) * 1991-08-06 1993-02-07 Kari Johannes Kirjavainen Elastiskt elektretmembran
JP2787790B2 (ja) * 1991-11-19 1998-08-20 富士写真フイルム株式会社 磁気記録媒体及びその製造方法
GB9225898D0 (en) * 1992-12-11 1993-02-03 Univ Strathclyde Ultrasonic transducer
JP3094717B2 (ja) * 1993-02-09 2000-10-03 株式会社村田製作所 圧電共振部品
FI104611B (fi) * 1993-06-21 2000-02-29 Panphonics Oy Laskostettu energiamuunnin
US5682075A (en) * 1993-07-14 1997-10-28 The University Of British Columbia Porous gas reservoir electrostatic transducer
US5395592A (en) * 1993-10-04 1995-03-07 Bolleman; Brent Acoustic liquid processing device
KR950010936A (ko) * 1993-10-20 1995-05-15 시바타 미노루 엘렉트릿 필터
US5559387A (en) * 1994-05-13 1996-09-24 Beurrier; Henry R. Piezoelectric actuators
US5889354A (en) * 1994-08-29 1999-03-30 Oceaneering International Inc. Piezoelectric unit cell
US5530678A (en) * 1994-12-05 1996-06-25 Alliant Techsystems Inc. Real-time calibration acoustic array
FI97577C (fi) * 1994-12-28 1997-01-10 Screentec Ky Näppäimistö
US6429670B2 (en) * 1995-07-18 2002-08-06 Murata Manufacturing Co., Ltd. Method of examining posture of an electronic part
WO1997036365A1 (en) * 1996-03-26 1997-10-02 Stefan Johansson An actuator motor and a method for fabrication of such an actuator
US6689948B2 (en) * 1996-04-17 2004-02-10 B-Band Oy Transducer and method for forming a transducer
US5901928A (en) * 1996-06-14 1999-05-11 Aptek, Inc. Active turbulence control technique for drag reduction
FI963988A0 (fi) * 1996-10-04 1996-10-04 Kari Johannes Kirjavainen Ljud- och vibrationsisoleringsfoerfarande
US6376971B1 (en) * 1997-02-07 2002-04-23 Sri International Electroactive polymer electrodes
US6304662B1 (en) * 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US6043590A (en) * 1997-04-18 2000-03-28 Atl Ultrasound Composite transducer with connective backing block
US6636760B1 (en) * 1998-07-03 2003-10-21 Vincent Casey Planar transducer for measuring biomedical pressures
US6184608B1 (en) * 1998-12-29 2001-02-06 Honeywell International Inc. Polymer microactuator array with macroscopic force and displacement
US6346761B1 (en) * 1999-01-27 2002-02-12 Hitachi Denshi Kabushiki Kaisha Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes
JP2000218112A (ja) * 1999-01-29 2000-08-08 Matsushita Electric Ind Co Ltd 集塵フィルターおよび空気調和機
US6555945B1 (en) * 1999-02-25 2003-04-29 Alliedsignal Inc. Actuators using double-layer charging of high surface area materials
CA2315417A1 (en) * 1999-08-11 2001-02-11 Hiroshi Une Electret capacitor microphone
US6438242B1 (en) * 1999-09-07 2002-08-20 The United States Of America As Represented By The Secretary Of The Navy Acoustic transducer panel
US6255761B1 (en) * 1999-10-04 2001-07-03 The United States Of America As Represented By The Secretary Of The Navy Shaped piezoelectric composite transducer
JP2001230462A (ja) * 2000-02-17 2001-08-24 Minolta Co Ltd 圧電変換素子
US6568286B1 (en) * 2000-06-02 2003-05-27 Honeywell International Inc. 3D array of integrated cells for the sampling and detection of air bound chemical and biological species
US6646364B1 (en) * 2000-07-11 2003-11-11 Honeywell International Inc. MEMS actuator with lower power consumption and lower cost simplified fabrication
CA2426823A1 (en) * 2000-10-25 2002-10-24 Washington State University Research Foundation Piezoelectric micro-transducers, methods of use and manufacturing methods for same
US6507682B2 (en) * 2001-04-06 2003-01-14 Ngk Insulators, Ltd. Optical switch

Also Published As

Publication number Publication date
CA2392552A1 (en) 2001-05-31
EP1232669B1 (en) 2009-01-28
DE60041500D1 (de) 2009-03-19
US20030052570A1 (en) 2003-03-20
ATE422140T1 (de) 2009-02-15
CA2392552C (en) 2010-01-26
US6759769B2 (en) 2004-07-06
FI108204B (fi) 2001-11-30
EP1232669A1 (en) 2002-08-21
FI19992514A (fi) 2001-05-26
NO20022473D0 (no) 2002-05-24
JP2003515919A (ja) 2003-05-07
WO2001039544A1 (en) 2001-05-31
AU1866401A (en) 2001-06-04

Similar Documents

Publication Publication Date Title
NO20022473D0 (no) Elektromekanisk film og akustisk element
ATE381116T1 (de) Elektroaktive polymergeneratoren
IL140997A0 (en) Loudspeaker drive unit having a resonant panel-form member
HK1054420B (zh) 導電聚合物致動器及用此的隔膜泵
EP1229095A4 (en) ADHESIVE AGENT, CONNECTION TECHNIQUE FOR WIRE TERMINALS AND WIRE STRUCTURE
DE69407592D1 (de) Hochdruck niedrigerimpedanz elektrostatischer wandler
CA2262581A1 (en) Electrohydraulic pressure wave projectors
DE69834553D1 (de) Erweiterbares spracherkennungssystem mit einer audio-rückkopplung
CN109714683A (zh) 换能器布置结构
AU2002336654A1 (en) An electrostatic based power source and methods thereof
ATE444572T1 (de) Galvanisches element mit dünnen elektroden
NO974104D0 (no) Faste diacyl-organiske peroksyd-dispersjoner
ITTO930801A0 (it) Lamiera metallica laminata con tre strati di resina termoplastica, e procedimento per la sua produzione.
EP1152649A3 (en) Electronic controller unit and method of manufacturing
DE60132810D1 (de) Abgedichteter verbinder
EP1306966A3 (en) Electrostatic microactuator, method of activating the same, and camera module
CA2217894A1 (en) Electrical connector
CA2443799A1 (en) Microwave preheat press assembly
AU2136300A (en) A device for reflecting light
WO2005053355A3 (en) Carry case
EP1909375A3 (de) Linearantriebsvorrichtung
EP0834622A3 (de) Wärmegedämmtes Verbindungselement zwischen externen Betonteilen, insbesondere Kragplatten, und Gebäude
AU2002339116A1 (en) Copper-indium based thin film photovoltaic devices and methods of making the same
AU2001278511A1 (en) Connector element and method for the tool-less electrical contacting of an electrical lead
AU2001239090A1 (en) Electrical connecting element and method of fabricating the same

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application