FI108204B - Film för transformering av energier - Google Patents

Film för transformering av energier Download PDF

Info

Publication number
FI108204B
FI108204B FI992514A FI19992514A FI108204B FI 108204 B FI108204 B FI 108204B FI 992514 A FI992514 A FI 992514A FI 19992514 A FI19992514 A FI 19992514A FI 108204 B FI108204 B FI 108204B
Authority
FI
Finland
Prior art keywords
film
cells
films
height
film according
Prior art date
Application number
FI992514A
Other languages
English (en)
Finnish (fi)
Other versions
FI19992514A (sv
Inventor
Kari Johannes Kirjavainen
Original Assignee
Kari Johannes Kirjavainen
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
Priority to FI992514A priority Critical patent/FI108204B/sv
Application filed by Kari Johannes Kirjavainen filed Critical Kari Johannes Kirjavainen
Priority to AT00981408T priority patent/ATE422140T1/de
Priority to AU18664/01A priority patent/AU1866401A/en
Priority to DE60041500T priority patent/DE60041500D1/de
Priority to JP2001540561A priority patent/JP2003515919A/ja
Priority to CA2392552A priority patent/CA2392552C/en
Priority to EP00981408A priority patent/EP1232669B1/en
Priority to PCT/FI2000/001027 priority patent/WO2001039544A1/en
Publication of FI19992514A publication Critical patent/FI19992514A/sv
Application granted granted Critical
Publication of FI108204B publication Critical patent/FI108204B/sv
Priority to NO20022473A priority patent/NO20022473L/no
Priority to US10/153,817 priority patent/US6759769B2/en

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)
  • Laminated Bodies (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Claims (10)

1. Elektromekanisk film, vilken film (10) är dielektrisk och avsedd för omvandling av elenergi till mekanisk energi och/eller omvandling av mekanisk 5 energi till elenergi sa att en spanning eller laddning leds till filmens (10) ytor och/eller en spanning eller laddning urladdas frän filmens ytor, känne-tecknad av att filmen (10) utgörs av celler (2), i vilka celler förhallandet mellan höjd och bredd är 3:1 -1:3, varvid det inne i cellen (2) befintliga trycket som motsätter sig formändring förblir väsentligen oförändrat, när en cell (2) 10 ändrarform.
2. Film enligt patentkrav 1,kännetecknad av att cellerna (2) är mänghörniga.
3. Film enligt patentkrav 1 eller 2, k ä n n e t e c k n a d av att cel-lernas (2) väggar (1) är sä tunna att filmens (10) luftvolym är över 90 %.
4. Film enligt nagot av föregaende patentkrav, kännetecknad av att cellerna (2) är längsträckta sä att förhallandet mellan höjd och längd i cellerna (2) är mindre än 1:3.
5. Film enligt patentkrav 4, kännetecknad av att förhallandet mellan höjd och längd i cellerna (2) är mindre än 1:10.
6. Film enligt nagot av föregaende patentkrav, kännetecknad av att filmen (10) atminstone pa den ena sidan är belagd med ett elledande ’:": skikt.
: :': 7. Film enligt patentkrav 6, k ä n n e t e c k n a d av att det elledan- :' ·, de skiktet är bildat genom metallisering av filmen (10) genom vakuumevapore- 25 ring.
8. Film enligt nagot av föregaende patentkrav, kännetecknad ♦ · · av att filmen (10) atminstone ställvis är laddad som en elektretfilm sä att den , övre ytan av cellernas (2) insida är positivt laddad och den nedre ytan av cel-2,' lernas (2) insida är negativt laddad. ·;·' 30
9. Akustiskt element, som omfattar atminstone tvä sammanfogade : Y: elektromekaniska filmer, kännetecknat av att filmen (10) utgörs av celler (2), i vilka celler förhallandet mellan höjd och bredd är 3:1 - 1:3 och att det akustiska elementet uppvisar medel för styrning av filmerna (10) sä att det Y.* elektriska fältets styrka minskar i den första filmen (10) och det elektriska fäl-' 35 tets styrka ökar i den andra filmen (10), varvid de sammanfogade filmerna (10) i det akustiska elementet böjs. 108204
10. Akustiskt element enligt patentkrav 9, kännetecknat av att veck är utformade i de sammanfogade filmerna (10) sä att när ljud ästad-koms är de sammanfogade filmerna (10) anordnade att röra sig bort fran lyss-naren för att kompensera det akustiska elementets rekylkraft. * * · • · · « · « * · · < It • « « • · «
FI992514A 1999-11-25 1999-11-25 Film för transformering av energier FI108204B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI992514A FI108204B (sv) 1999-11-25 1999-11-25 Film för transformering av energier
AU18664/01A AU1866401A (en) 1999-11-25 2000-11-24 Electromechanic film and acoustic element
DE60041500T DE60041500D1 (de) 1999-11-25 2000-11-24 Elektromechanischer film und akustisches element
JP2001540561A JP2003515919A (ja) 1999-11-25 2000-11-24 電気機械フィルムおよび音響要素
AT00981408T ATE422140T1 (de) 1999-11-25 2000-11-24 Elektromechanischer film und akustisches element
CA2392552A CA2392552C (en) 1999-11-25 2000-11-24 Electromechanic film and acoustic element
EP00981408A EP1232669B1 (en) 1999-11-25 2000-11-24 Electromechanic film and acoustic element
PCT/FI2000/001027 WO2001039544A1 (en) 1999-11-25 2000-11-24 Electromechanic film and acoustic element
NO20022473A NO20022473L (no) 1999-11-25 2002-05-24 Elektromekanisk film og akustisk element
US10/153,817 US6759769B2 (en) 1999-11-25 2002-05-24 Electromechanic film and acoustic element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992514A FI108204B (sv) 1999-11-25 1999-11-25 Film för transformering av energier
FI992514 1999-11-25

Publications (2)

Publication Number Publication Date
FI19992514A FI19992514A (sv) 2001-05-26
FI108204B true FI108204B (sv) 2001-11-30

Family

ID=8555639

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992514A FI108204B (sv) 1999-11-25 1999-11-25 Film för transformering av energier

Country Status (10)

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

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7400080B2 (en) * 2002-09-20 2008-07-15 Danfoss A/S Elastomer actuator and a method of making an actuator
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
US7518284B2 (en) * 2000-11-02 2009-04-14 Danfoss A/S Dielectric composite and a method of manufacturing a dielectric composite
JP4309137B2 (ja) 2001-05-18 2009-08-05 ダニスコ エイ／エス 酵素を使用した練り粉の調製方法
AU2002351736A1 (en) * 2001-12-21 2003-07-15 Danfoss A/S Dielectric actuator or sensor structure and method of making it
FI118622B (sv) * 2002-01-17 2008-01-15 Band Oy B Musikinstrumentomvandlare och förfarande för framställning av denna
ATE487796T1 (de) 2003-01-17 2010-11-15 Danisco Verfahren zur in-situ-herstellung eines emulgators in einem nahrungsmittel
US7868221B2 (en) 2003-02-24 2011-01-11 Danfoss A/S Electro active elastic compression bandage
AU2003241652A1 (en) 2003-06-13 2005-01-04 Fuji Electric Holdings Co., Ltd. Organic el device and organic el panel
DK1776455T3 (da) 2004-07-16 2015-06-22 Dupont Nutrition Biosci Aps Lipolytisk enzym, anvendelser deraf i fødevareindustrien
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 (sv) * 2007-02-23 2007-02-23 Panphonics Oy Elektretskivstruktur
JP2008213547A (ja) * 2007-02-28 2008-09-18 Nissan Motor Co Ltd 騒音制御装置
WO2009081094A2 (en) 2007-12-21 2009-07-02 Danisco A/S Process
TWI405472B (zh) 2008-07-31 2013-08-11 Htc Corp 電子裝置及其電聲換能器
ES2401609T3 (es) * 2008-12-13 2013-04-23 Bayer Materialscience Ag Material compuesto multicapa ferroelectreto y procedimiento para la producción de un material compuesto multicapa ferroelectreto con canales en forma de tubo paralelos
CN102428177B (zh) 2009-05-19 2015-01-14 杜邦营养生物科学有限公司 提高面包耐码垛性的方法及其产品
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
AR085845A1 (es) 2011-04-08 2013-10-30 Danisco Us Inc Composiciones
CN103535053B (zh) 2011-05-17 2017-03-29 株式会社村田制作所 平面型扬声器以及av设备
US8764685B2 (en) * 2011-06-14 2014-07-01 Abatis Medical Technologies Limited Biomedical interface pressure transducer for medical tourniquets
US8891222B2 (en) 2012-02-14 2014-11-18 Danfoss A/S Capacitive transducer and a method for manufacturing a transducer
US8692442B2 (en) 2012-02-14 2014-04-08 Danfoss Polypower A/S Polymer transducer and a connector for a transducer
WO2014063097A1 (en) 2012-10-19 2014-04-24 Danisco Us Inc. Stabilization of biomimetic membranes
JP6037039B2 (ja) * 2013-10-08 2016-11-30 株式会社村田製作所 触覚提示装置
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 (sv) * 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 (sv) * 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
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
US4390800A (en) * 1980-06-30 1983-06-28 Tokyo Shibaura Denki Kabushiki Kaisha 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
US4429193A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable effective air gap
US4434327A (en) * 1981-11-20 1984-02-28 Bell Telephone Laboratories, Incorporated Electret transducer with variable actual 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
DE59008863D1 (de) * 1990-06-21 1995-05-11 Siemens Ag 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 (sv) * 1993-06-21 2000-02-29 Panphonics Oy Veckad energiomvandlare
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 (sv) * 1994-12-28 1997-01-10 Screentec Ky Tangentbord
US6429670B2 (en) * 1995-07-18 2002-08-06 Murata Manufacturing Co., Ltd. Method of examining posture of an electronic part
AU5707796A (en) * 1996-03-26 1997-10-17 Mats Bexell 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
DE69828203T2 (de) * 1998-07-03 2005-12-15 Abatis Medical Technologies Ltd., Killaloe Planarer wandler zum messen von biomedizinischen drucken
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
US7235914B2 (en) * 2000-10-25 2007-06-26 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
US20030052570A1 (en) 2003-03-20
DE60041500D1 (de) 2009-03-19
US6759769B2 (en) 2004-07-06
NO20022473L (no) 2002-05-27
EP1232669A1 (en) 2002-08-21
ATE422140T1 (de) 2009-02-15
AU1866401A (en) 2001-06-04
NO20022473D0 (no) 2002-05-24
JP2003515919A (ja) 2003-05-07
CA2392552C (en) 2010-01-26
EP1232669B1 (en) 2009-01-28
FI19992514A (sv) 2001-05-26
WO2001039544A1 (en) 2001-05-31
CA2392552A1 (en) 2001-05-31

Similar Documents

Publication Publication Date Title
FI108204B (sv) Film för transformering av energier
JP4388603B2 (ja) 弾性誘電体ポリマフィルム音波アクチュエータ
US8391520B2 (en) Flat speaker unit and speaker device therewith
EP3852391B1 (de) Mems-lautsprecher mit erhöhter leistungsfähigkeit
US7889877B2 (en) Device for generating a medium stream
US7436099B2 (en) Electroactive polymer pre-strain
EP2710815B1 (en) Electrostatic transducer
US11092150B2 (en) Micro pump systems and processing techniques
US20110109200A1 (en) Two- or multi-layer ferrelectret and method for the production thereof
CH623700A5 (sv)
WO2005001287A1 (en) Device for generating a medium stream
ES2401609T3 (es) Material compuesto multicapa ferroelectreto y procedimiento para la producción de un material compuesto multicapa ferroelectreto con canales en forma de tubo paralelos
US7719164B2 (en) Patterned dielectric elastomer actuator and method of fabricating the same
US10951133B2 (en) Repulsive-attractive-force electrostatic actuator
FI104611B (sv) Veckad energiomvandlare
US9832572B2 (en) Electroactive sound transducer foil having a structured surface
WO2023161469A1 (de) Korrugationen oder schwächungsbereiche auf ankerstrukturen von vertikalen mems-wandler-membranen
PL230284B1 (pl) Przetwornik piezoelektryczny
Feng et al. Trench-filled cellular parylene structure for piezoelectric polymer electret
WO2010135925A1 (en) Flat speaker unit and sperker device therwith
JP2007274393A (ja) フィルムスピーカおよびその製造方法

Legal Events

Date Code Title Description
MM Patent lapsed