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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
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)

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US7548015B2 (en) * 2000-11-02 2009-06-16 Danfoss A/S Multilayer composite and a method of making such
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DE60224844T2 (de) * 2001-12-21 2009-01-08 Danfoss A/S Dielektrisches betätigungsglied oder sensorstruktur und herstellungsverfahren
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EP1540807B1 (en) * 2002-09-20 2013-01-09 Danfoss A/S Elastomer actuator and method of making the actuator
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ATE398988T1 (de) 2003-02-24 2008-07-15 Danfoss As Elektroaktive elastische kompressionsbandage
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EP1776455B1 (en) 2004-07-16 2015-03-18 DuPont Nutrition Biosciences ApS Lipolytic enzyme, uses thereof in the food industry
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
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BRPI0821253A2 (pt) 2007-12-21 2015-06-16 Danisco Método de degomagem, método de tratamento de uma fase de goma e uso de lipídio aciltransferase na degomagem com água de um óleo comestível
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US8550823B2 (en) * 2011-01-24 2013-10-08 Single Buoy Moorings, Inc. Rigid to elastic electrode connection
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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
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

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Also Published As

Publication number Publication date
JP2003515919A (ja) 2003-05-07
US6759769B2 (en) 2004-07-06
US20030052570A1 (en) 2003-03-20
AU1866401A (en) 2001-06-04
CA2392552A1 (en) 2001-05-31
EP1232669B1 (en) 2009-01-28
NO20022473D0 (no) 2002-05-24
WO2001039544A1 (en) 2001-05-31
FI19992514L (fi) 2001-05-26
FI108204B (fi) 2001-11-30
EP1232669A1 (en) 2002-08-21
ATE422140T1 (de) 2009-02-15
DE60041500D1 (de) 2009-03-19
CA2392552C (en) 2010-01-26

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Legal Events

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