GB2393573B - Piezoelectric devices - Google Patents

Piezoelectric devices

Info

Publication number
GB2393573B
GB2393573B GB0400609A GB0400609A GB2393573B GB 2393573 B GB2393573 B GB 2393573B GB 0400609 A GB0400609 A GB 0400609A GB 0400609 A GB0400609 A GB 0400609A GB 2393573 B GB2393573 B GB 2393573B
Authority
GB
United Kingdom
Prior art keywords
piezoelectric devices
piezoelectric
devices
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 - Fee Related
Application number
GB0400609A
Other versions
GB2393573A (en
GB0400609D0 (en
Inventor
Gareth Mckevitt
Anthony Hooley
David Henry Pearce
Ursula Ruth Lenel
Mark Richard Shepherd
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
Application filed by 1 Ltd filed Critical 1 Ltd
Publication of GB0400609D0 publication Critical patent/GB0400609D0/en
Publication of GB2393573A publication Critical patent/GB2393573A/en
Application granted granted Critical
Publication of GB2393573B publication Critical patent/GB2393573B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H10N30/208—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using shear or torsion displacement, e.g. d15 type devices
GB0400609A 2001-06-20 2002-06-19 Piezoelectric devices Expired - Fee Related GB2393573B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0115063.0A GB0115063D0 (en) 2001-06-20 2001-06-20 Piezoelectric devices
PCT/GB2002/002768 WO2002103817A2 (en) 2001-06-20 2002-06-19 Piezoelectric torsional devices

Publications (3)

Publication Number Publication Date
GB0400609D0 GB0400609D0 (en) 2004-02-11
GB2393573A GB2393573A (en) 2004-03-31
GB2393573B true GB2393573B (en) 2004-12-22

Family

ID=9916992

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0115063.0A Ceased GB0115063D0 (en) 2001-06-20 2001-06-20 Piezoelectric devices
GB0400609A Expired - Fee Related GB2393573B (en) 2001-06-20 2002-06-19 Piezoelectric devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0115063.0A Ceased GB0115063D0 (en) 2001-06-20 2001-06-20 Piezoelectric devices

Country Status (3)

Country Link
AU (1) AU2002257991A1 (en)
GB (2) GB0115063D0 (en)
WO (1) WO2002103817A2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900748A (en) * 1972-01-31 1975-08-19 Zenith Radio Corp Torsional ceramic transducer
WO1992001955A1 (en) * 1990-07-16 1992-02-06 Atlantic Richfield Company Torsional force transducer and method of operation
US5321333A (en) * 1993-04-06 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Torsional shear wave transducer
EP0908961A1 (en) * 1997-10-13 1999-04-14 Sfim Industries Amplifier actuator of active materials
US6020674A (en) * 1997-10-31 2000-02-01 The Penn State Research Foundation Torsional electrostrictive actuators
US6222306B1 (en) * 1998-12-07 2001-04-24 Sfim Industries Actuators of active piezoelectric or electrostrictive material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900748A (en) * 1972-01-31 1975-08-19 Zenith Radio Corp Torsional ceramic transducer
WO1992001955A1 (en) * 1990-07-16 1992-02-06 Atlantic Richfield Company Torsional force transducer and method of operation
US5321333A (en) * 1993-04-06 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Torsional shear wave transducer
EP0908961A1 (en) * 1997-10-13 1999-04-14 Sfim Industries Amplifier actuator of active materials
US6268682B1 (en) * 1997-10-13 2001-07-31 Sfim Industries Amplified active-material actuators
US6020674A (en) * 1997-10-31 2000-02-01 The Penn State Research Foundation Torsional electrostrictive actuators
US6222306B1 (en) * 1998-12-07 2001-04-24 Sfim Industries Actuators of active piezoelectric or electrostrictive material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol 46, No 1, January 1999, pages 147-151 *

Also Published As

Publication number Publication date
GB0115063D0 (en) 2001-08-15
GB2393573A (en) 2004-03-31
AU2002257991A1 (en) 2003-01-02
GB0400609D0 (en) 2004-02-11
WO2002103817A3 (en) 2003-10-30
WO2002103817A2 (en) 2002-12-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110619