WO2001039544A1 - Electromechanic film and acoustic element - Google Patents
Electromechanic film and acoustic element Download PDFInfo
- Publication number
- WO2001039544A1 WO2001039544A1 PCT/FI2000/001027 FI0001027W WO0139544A1 WO 2001039544 A1 WO2001039544 A1 WO 2001039544A1 FI 0001027 W FI0001027 W FI 0001027W WO 0139544 A1 WO0139544 A1 WO 0139544A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- cells
- films
- way
- acoustic element
- Prior art date
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)
- Transducers For Ultrasonic Waves (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2392552A CA2392552C (en) | 1999-11-25 | 2000-11-24 | Electromechanic film and acoustic element |
AU18664/01A AU1866401A (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 |
DE60041500T DE60041500D1 (en) | 1999-11-25 | 2000-11-24 | ELECTROMECHANICAL FILM AND ACOUSTIC ELEMENT |
JP2001540561A JP2003515919A (en) | 1999-11-25 | 2000-11-24 | Electromechanical films and acoustic elements |
NO20022473A NO20022473L (en) | 1999-11-25 | 2002-05-24 | Electromechanical film and acoustic 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 |
---|---|---|---|
FI19992514 | 1999-11-25 | ||
FI992514A FI108204B (en) | 1999-11-25 | 1999-11-25 | A film for converting energies |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/153,817 Continuation US6759769B2 (en) | 1999-11-25 | 2002-05-24 | Electromechanic film and acoustic element |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001039544A1 true WO2001039544A1 (en) | 2001-05-31 |
Family
ID=8555639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI2000/001027 WO2001039544A1 (en) | 1999-11-25 | 2000-11-24 | Electromechanic film and acoustic element |
Country Status (10)
Country | Link |
---|---|
US (1) | US6759769B2 (en) |
EP (1) | EP1232669B1 (en) |
JP (1) | JP2003515919A (en) |
AT (1) | ATE422140T1 (en) |
AU (1) | AU1866401A (en) |
CA (1) | CA2392552C (en) |
DE (1) | DE60041500D1 (en) |
FI (1) | FI108204B (en) |
NO (1) | NO20022473L (en) |
WO (1) | WO2001039544A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7615921B2 (en) | 2003-06-13 | 2009-11-10 | Fuji Electric Holdings Co., Ltd. | Organic EL device and organic EL panel |
EP2150075A3 (en) * | 2008-07-31 | 2010-04-14 | HTC Corporation | Electronic device and electro-acoustic transducer thereof |
WO2010134035A1 (en) | 2009-05-19 | 2010-11-25 | Danisco A/S | Use |
EP2267108A1 (en) | 2004-07-16 | 2010-12-29 | Danisco A/S | Enzymatic oil-degumming method |
EP2290085A2 (en) | 2003-01-17 | 2011-03-02 | Danisco A/S | Method for the in situ production of an emulsifier in a foodstuff |
WO2011061657A1 (en) | 2009-11-17 | 2011-05-26 | Danisco A/S | Method |
WO2011114251A1 (en) | 2010-03-18 | 2011-09-22 | Danisco A/S | Foodstuff |
USRE43135E1 (en) | 2001-05-18 | 2012-01-24 | Danisco A/S | Method of improving dough and bread quality |
WO2012137147A1 (en) | 2011-04-08 | 2012-10-11 | Danisco Us, Inc. | Compositions |
WO2014063097A1 (en) | 2012-10-19 | 2014-04-24 | Danisco Us Inc. | Stabilization of biomimetic membranes |
WO2015094527A1 (en) | 2013-12-19 | 2015-06-25 | Danisco Us Inc. | Use of hydrophobins to increase gas transferin aerobic fermentation processes |
US9228211B2 (en) | 2007-12-21 | 2016-01-05 | Dupont Nutrition Biosciences Aps | Process of water degumming an edible oil |
Families Citing this family (21)
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---|---|---|---|---|
WO2003056287A1 (en) * | 2001-12-21 | 2003-07-10 | Danfoss A/S | Dielectric actuator or sensor structure and method of making it |
US7548015B2 (en) * | 2000-11-02 | 2009-06-16 | Danfoss A/S | Multilayer composite and a method of making such |
US7518284B2 (en) * | 2000-11-02 | 2009-04-14 | Danfoss A/S | Dielectric composite and a method of manufacturing a dielectric composite |
US8181338B2 (en) * | 2000-11-02 | 2012-05-22 | Danfoss A/S | Method of making a multilayer composite |
FI118622B (en) * | 2002-01-17 | 2008-01-15 | Band Oy B | Musical instrument converter and method of making it |
AU2003263159A1 (en) * | 2002-09-20 | 2004-04-08 | Danfoss A/S | An elastomer actuator and a method of making an actuator |
DE602004014592D1 (en) | 2003-02-24 | 2008-08-07 | Danfoss As | |
US7880371B2 (en) * | 2006-11-03 | 2011-02-01 | Danfoss A/S | Dielectric composite and a method of manufacturing a dielectric composite |
US7732999B2 (en) * | 2006-11-03 | 2010-06-08 | Danfoss A/S | Direct acting capacitive transducer |
FI20070155A0 (en) * | 2007-02-23 | 2007-02-23 | Panphonics Oy | Elektreettilevyrakenne |
JP2008213547A (en) * | 2007-02-28 | 2008-09-18 | Nissan Motor Co Ltd | Noise control unit |
WO2010066347A2 (en) * | 2008-12-13 | 2010-06-17 | Bayer Materialscience Ag | Ferroelectret multilayer composite and method for producing a ferroelectret multilayer composite with parallel tubular channels |
US8550823B2 (en) * | 2011-01-24 | 2013-10-08 | Single Buoy Moorings, Inc. | Rigid to elastic electrode connection |
CN103535053B (en) * | 2011-05-17 | 2017-03-29 | 株式会社村田制作所 | Plane-type loudspeaker and AV equipment |
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 |
CN105706029B (en) * | 2013-10-08 | 2019-09-13 | 株式会社村田制作所 | Tactile prompt device |
JP6318970B2 (en) * | 2014-08-18 | 2018-05-09 | 株式会社村田製作所 | Vibrating body and tactile presentation device |
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 |
Citations (7)
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US3947644A (en) * | 1971-08-20 | 1976-03-30 | Kureha Kagaku Kogyo Kabushiki Kaisha | Piezoelectric-type electroacoustic transducer |
US4186323A (en) * | 1976-09-21 | 1980-01-29 | International Standard Electric Corporation | Piezoelectric high polymer, multilayer electro-acoustic transducers |
JPS5647199A (en) * | 1979-09-26 | 1981-04-28 | Toray Ind Inc | Polymer piezoelectric transducer of multilayered lamination type |
US4400634A (en) * | 1979-12-28 | 1983-08-23 | Thomson-Csf | Bimorph transducer made from polymer material |
US4654546A (en) * | 1984-11-20 | 1987-03-31 | Kari Kirjavainen | Electromechanical film and procedure for manufacturing same |
FI913741A (en) * | 1991-08-06 | 1993-02-07 | Kari Johannes Kirjavainen | ELASTIC ELECTRIC MEMBRANE |
US5757090A (en) * | 1993-06-21 | 1998-05-26 | Kirjavainen; Kari | Folded dielectric film element and method for maufacturing the same |
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DE59008863D1 (en) * | 1990-06-21 | 1995-05-11 | Siemens Ag | Compound ultrasonic transducer and method for producing a structured component made of piezoelectric ceramic. |
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GB9225898D0 (en) * | 1992-12-11 | 1993-02-03 | Univ Strathclyde | Ultrasonic transducer |
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US5682075A (en) * | 1993-07-14 | 1997-10-28 | The University Of British Columbia | Porous gas reservoir electrostatic transducer |
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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 |
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AU2001297790B2 (en) * | 2000-10-25 | 2006-10-12 | 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 |
-
1999
- 1999-11-25 FI FI992514A patent/FI108204B/en not_active IP Right Cessation
-
2000
- 2000-11-24 CA CA2392552A patent/CA2392552C/en not_active Expired - Fee Related
- 2000-11-24 DE DE60041500T patent/DE60041500D1/en not_active Expired - Lifetime
- 2000-11-24 WO PCT/FI2000/001027 patent/WO2001039544A1/en active Application Filing
- 2000-11-24 JP JP2001540561A patent/JP2003515919A/en active Pending
- 2000-11-24 AT AT00981408T patent/ATE422140T1/en not_active IP Right Cessation
- 2000-11-24 AU AU18664/01A patent/AU1866401A/en not_active Abandoned
- 2000-11-24 EP EP00981408A patent/EP1232669B1/en not_active Expired - Lifetime
-
2002
- 2002-05-24 US US10/153,817 patent/US6759769B2/en not_active Expired - Fee Related
- 2002-05-24 NO NO20022473A patent/NO20022473L/en not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947644A (en) * | 1971-08-20 | 1976-03-30 | Kureha Kagaku Kogyo Kabushiki Kaisha | Piezoelectric-type electroacoustic transducer |
US4186323A (en) * | 1976-09-21 | 1980-01-29 | International Standard Electric Corporation | Piezoelectric high polymer, multilayer electro-acoustic transducers |
JPS5647199A (en) * | 1979-09-26 | 1981-04-28 | Toray Ind Inc | Polymer piezoelectric transducer of multilayered lamination type |
US4400634A (en) * | 1979-12-28 | 1983-08-23 | Thomson-Csf | Bimorph transducer made from polymer material |
US4654546A (en) * | 1984-11-20 | 1987-03-31 | Kari Kirjavainen | Electromechanical film and procedure for manufacturing same |
FI913741A (en) * | 1991-08-06 | 1993-02-07 | Kari Johannes Kirjavainen | ELASTIC ELECTRIC MEMBRANE |
US5757090A (en) * | 1993-06-21 | 1998-05-26 | Kirjavainen; Kari | Folded dielectric film element and method for maufacturing the same |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE43135E1 (en) | 2001-05-18 | 2012-01-24 | Danisco A/S | Method of improving dough and bread quality |
EP2290085A2 (en) | 2003-01-17 | 2011-03-02 | Danisco A/S | Method for the in situ production of an emulsifier in a foodstuff |
US7615921B2 (en) | 2003-06-13 | 2009-11-10 | Fuji Electric Holdings Co., Ltd. | Organic EL device and organic EL panel |
US8889371B2 (en) | 2004-07-16 | 2014-11-18 | Dupont Nutrition Biosciences Aps | Lipolytic enzyme: uses thereof in the food industry |
EP2267108A1 (en) | 2004-07-16 | 2010-12-29 | Danisco A/S | Enzymatic oil-degumming method |
US9228211B2 (en) | 2007-12-21 | 2016-01-05 | Dupont Nutrition Biosciences Aps | Process of water degumming an edible oil |
US8306247B2 (en) | 2008-07-31 | 2012-11-06 | Htc Corporation | Electronic device and electro-acoustic transducer thereof |
EP2150075A3 (en) * | 2008-07-31 | 2010-04-14 | HTC Corporation | Electronic device and electro-acoustic transducer thereof |
WO2010134035A1 (en) | 2009-05-19 | 2010-11-25 | Danisco A/S | Use |
WO2011061657A1 (en) | 2009-11-17 | 2011-05-26 | Danisco A/S | Method |
WO2011114251A1 (en) | 2010-03-18 | 2011-09-22 | Danisco A/S | Foodstuff |
WO2012137147A1 (en) | 2011-04-08 | 2012-10-11 | Danisco Us, Inc. | Compositions |
WO2014063097A1 (en) | 2012-10-19 | 2014-04-24 | Danisco Us Inc. | Stabilization of biomimetic membranes |
WO2015094527A1 (en) | 2013-12-19 | 2015-06-25 | Danisco Us Inc. | Use of hydrophobins to increase gas transferin aerobic fermentation processes |
Also Published As
Publication number | Publication date |
---|---|
EP1232669B1 (en) | 2009-01-28 |
ATE422140T1 (en) | 2009-02-15 |
EP1232669A1 (en) | 2002-08-21 |
US20030052570A1 (en) | 2003-03-20 |
FI108204B (en) | 2001-11-30 |
NO20022473D0 (en) | 2002-05-24 |
JP2003515919A (en) | 2003-05-07 |
US6759769B2 (en) | 2004-07-06 |
NO20022473L (en) | 2002-05-27 |
FI19992514A (en) | 2001-05-26 |
CA2392552C (en) | 2010-01-26 |
DE60041500D1 (en) | 2009-03-19 |
AU1866401A (en) | 2001-06-04 |
CA2392552A1 (en) | 2001-05-31 |
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