DE60041500D1 - Elektromechanischer film und akustisches element - Google Patents

Elektromechanischer film und akustisches element

Info

Publication number
DE60041500D1
DE60041500D1 DE60041500T DE60041500T DE60041500D1 DE 60041500 D1 DE60041500 D1 DE 60041500D1 DE 60041500 T DE60041500 T DE 60041500T DE 60041500 T DE60041500 T DE 60041500T DE 60041500 D1 DE60041500 D1 DE 60041500D1
Authority
DE
Germany
Prior art keywords
film
acoustic element
cells
field strength
transforming
Prior art date
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.)
Expired - Lifetime
Application number
DE60041500T
Other languages
English (en)
Inventor
Kari Kirjavainen
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.)
Natural Colour Kari Kirjavainen Oy
Original Assignee
Natural Colour Kari Kirjavainen Oy
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 Kirjavainen Oy filed Critical Natural Colour Kari Kirjavainen Oy
Application granted granted Critical
Publication of DE60041500D1 publication Critical patent/DE60041500D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
DE60041500T 1999-11-25 2000-11-24 Elektromechanischer film und akustisches element Expired - Lifetime DE60041500D1 (de)

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 (1)

Publication Number Publication Date
DE60041500D1 true DE60041500D1 (de) 2009-03-19

Family

ID=8555639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60041500T Expired - Lifetime DE60041500D1 (de) 1999-11-25 2000-11-24 Elektromechanischer film und akustisches element

Country Status (10)

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

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FI118622B (fi) * 2002-01-17 2008-01-15 Band Oy B Soittimen muunnin ja menetelmä sen valmistamiseksi
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ATE398988T1 (de) 2003-02-24 2008-07-15 Danfoss As Elektroaktive elastische kompressionsbandage
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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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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
EP2909230B1 (de) 2012-10-19 2019-05-22 Danisco US Inc. Verfahren zur stabilisierung von biometrischen membranen
WO2015053247A1 (ja) * 2013-10-08 2015-04-16 株式会社村田製作所 触覚提示装置
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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
ATE422140T1 (de) 2009-02-15
FI108204B (fi) 2001-11-30
NO20022473L (no) 2002-05-27
US6759769B2 (en) 2004-07-06
US20030052570A1 (en) 2003-03-20
EP1232669B1 (de) 2009-01-28
FI19992514A (fi) 2001-05-26
AU1866401A (en) 2001-06-04
NO20022473D0 (no) 2002-05-24
CA2392552A1 (en) 2001-05-31
JP2003515919A (ja) 2003-05-07
WO2001039544A1 (en) 2001-05-31
EP1232669A1 (de) 2002-08-21
CA2392552C (en) 2010-01-26

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Legal Events

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8364 No opposition during term of opposition