AU2003283543A1 - Electro-active actuator - Google Patents

Electro-active actuator

Info

Publication number
AU2003283543A1
AU2003283543A1 AU2003283543A AU2003283543A AU2003283543A1 AU 2003283543 A1 AU2003283543 A1 AU 2003283543A1 AU 2003283543 A AU2003283543 A AU 2003283543A AU 2003283543 A AU2003283543 A AU 2003283543A AU 2003283543 A1 AU2003283543 A1 AU 2003283543A1
Authority
AU
Australia
Prior art keywords
electro
active material
layers
active actuator
active
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.)
Abandoned
Application number
AU2003283543A
Other languages
English (en)
Inventor
James Allan
David Henry Pearce
Richard Topliss
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.)
1 Ltd
Original Assignee
1 Ltd
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 claimed from GBGB0226846.4A external-priority patent/GB0226846D0/en
Priority claimed from GB0229927A external-priority patent/GB0229927D0/en
Priority claimed from GB0307160A external-priority patent/GB0307160D0/en
Priority claimed from GB0311676A external-priority patent/GB0311676D0/en
Application filed by 1 Ltd filed Critical 1 Ltd
Publication of AU2003283543A1 publication Critical patent/AU2003283543A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/08—Shaping or machining of piezoelectric or electrostrictive bodies
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/093—Forming inorganic materials
    • H10N30/097—Forming inorganic materials by sintering
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/01—Non-planar magnetostrictive, piezoelectric or electrostrictive benders

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Power Steering Mechanism (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Damping Devices (AREA)
  • Micromachines (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU2003283543A 2002-11-19 2003-11-11 Electro-active actuator Abandoned AU2003283543A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
GBGB0226846.4A GB0226846D0 (en) 2002-11-19 2002-11-19 Curved electro-active actuators with integral terminals
GB0226846.4 2002-11-19
GB0229927A GB0229927D0 (en) 2002-12-24 2002-12-24 Curved electro-active actuator configuration
GB0229927.9 2002-12-24
GB0307160.2 2003-03-28
GB0307160A GB0307160D0 (en) 2003-03-28 2003-03-28 Ceramic actuator and loudspeaker
GB0311676A GB0311676D0 (en) 2003-05-21 2003-05-21 Ceramic actuator, method of manufacturing and uses thereof
GB0311676.1 2003-05-21
PCT/GB2003/004862 WO2004047192A2 (en) 2002-11-19 2003-11-11 Electro-active actuator

Publications (1)

Publication Number Publication Date
AU2003283543A1 true AU2003283543A1 (en) 2004-06-15

Family

ID=32329937

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003283543A Abandoned AU2003283543A1 (en) 2002-11-19 2003-11-11 Electro-active actuator

Country Status (9)

Country Link
US (1) US20050269906A1 (enExample)
EP (1) EP1563550B1 (enExample)
JP (1) JP2006509490A (enExample)
KR (1) KR20050074634A (enExample)
AT (1) ATE421170T1 (enExample)
AU (1) AU2003283543A1 (enExample)
DE (1) DE60325884D1 (enExample)
TW (1) TW200423788A (enExample)
WO (1) WO2004047192A2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0303150D0 (en) * 2003-02-12 2003-03-19 1 Ltd Method and apparatus for manufacturing ceramic devices
EP1851808B1 (en) 2005-02-15 2013-08-14 Nokia Corporation Piezoelectric actuator element for micromovement
KR100979522B1 (ko) * 2007-08-10 2010-09-02 재단법인서울대학교산학협력재단 열가소성 물질을 이용한 나선형 압전 액츄에이터의제조방법 및 그로부터 제조된 나선형 압전 액츄에이터 및초소형 초음파 모터
JP4944159B2 (ja) * 2009-06-02 2012-05-30 Ｔｄｋ株式会社 圧電アクチュエータ及び圧電アクチュエータの製造方法
DE102013020496A1 (de) 2013-12-11 2015-06-11 Airbus Defence and Space GmbH Aktuatormontageverfahren und Herstellverfahren für eine Eisschutzvorrichtung sowie Montagevorrichtung
AU2016322836B2 (en) 2015-09-14 2021-07-29 Wing Acoustics Limited Improvements in or relating to audio transducers
EP3539164B1 (en) * 2016-11-14 2020-08-12 Koninklijke Philips N.V. Stiffness control for electroactive actuators
WO2018167538A1 (en) 2017-03-15 2018-09-20 Wing Acoustics Limited Improvements in or relating to audio systems
US11137803B2 (en) 2017-03-22 2021-10-05 Wing Acoustics Limited Slim electronic devices and audio transducers incorporated therein
JP7073646B2 (ja) * 2017-07-26 2022-05-24 ヤマハ株式会社 トランスデューサ
US11272295B2 (en) 2018-01-22 2022-03-08 Huawei Technologies Co., Ltd. Audio display with electro-active polymer bender element
US11131907B2 (en) * 2018-12-19 2021-09-28 Lintec Of America, Inc. Device sweeper

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877363A (en) * 1954-10-29 1959-03-10 Tibbetts Lab Inc Transducer leads
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
US4240002A (en) * 1979-04-02 1980-12-16 Motorola, Inc. Piezoelectric transducer arrangement with integral terminals and housing
US4404489A (en) * 1980-11-03 1983-09-13 Hewlett-Packard Company Acoustic transducer with flexible circuit board terminals
JPS61205100A (ja) * 1985-03-08 1986-09-11 Murata Mfg Co Ltd 圧電発音体
US4633122A (en) * 1985-06-18 1986-12-30 Pennwalt Corporation Means for electrically connecting electrodes on different surfaces of piezoelectric polymeric films
EP0408306B1 (en) * 1989-07-11 1996-05-01 Ngk Insulators, Ltd. Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film
US5404067A (en) * 1990-08-10 1995-04-04 Siemens Aktiengesellschaft Bonded piezoelectric bending transducer and process for producing the same
JP3222220B2 (ja) * 1992-10-19 2001-10-22 株式会社村田製作所 チップ型圧電共振子の製造方法
US6420819B1 (en) * 1994-01-27 2002-07-16 Active Control Experts, Inc. Packaged strain actuator
JPH09148643A (ja) * 1995-11-24 1997-06-06 Sony Corp アクチュエータ及びその製造方法
GB9818719D0 (en) * 1998-08-28 1998-10-21 New Transducers Ltd Vubration exciter
GB2376834B (en) * 1999-12-21 2003-06-25 1 Ltd Loudspeaker using an electro-active device
GB0115073D0 (en) * 2001-06-20 2001-08-15 1 Ltd Camera lens positioning using an electro-active device

Also Published As

Publication number Publication date
JP2006509490A (ja) 2006-03-16
TW200423788A (en) 2004-11-01
EP1563550A2 (en) 2005-08-17
KR20050074634A (ko) 2005-07-18
ATE421170T1 (de) 2009-01-15
US20050269906A1 (en) 2005-12-08
WO2004047192A3 (en) 2004-11-11
EP1563550B1 (en) 2009-01-14
DE60325884D1 (de) 2009-03-05
WO2004047192A2 (en) 2004-06-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase