WO2002005267A3 - Reversible piezoelectric positioning device and a disk drive using same - Google Patents
Reversible piezoelectric positioning device and a disk drive using same Download PDFInfo
- Publication number
- WO2002005267A3 WO2002005267A3 PCT/US2001/020001 US0120001W WO0205267A3 WO 2002005267 A3 WO2002005267 A3 WO 2002005267A3 US 0120001 W US0120001 W US 0120001W WO 0205267 A3 WO0205267 A3 WO 0205267A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positioning device
- actuator
- disk drive
- positioning
- electrodes
- Prior art date
Links
- 230000002441 reversible effect Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000013500 data storage Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
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
- H10N30/202—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement
- H10N30/2023—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement having polygonal or rectangular shape
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/026—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors by pressing one or more vibrators against the driven body
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/12—Constructional details
- H02N2/123—Mechanical transmission means, e.g. for gearing
- H02N2/126—Mechanical transmission means, e.g. for gearing for conversion into linear motion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0937—Piezo-electric actuators
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001268685A AU2001268685A1 (en) | 2000-07-07 | 2001-06-25 | Reversible piezoelectric positioning device and a disk drive using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/612,580 | 2000-07-07 | ||
US09/612,580 US6384514B1 (en) | 1999-07-28 | 2000-07-07 | Reversible piezoelectric positioning device and a disk drive using same |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002005267A2 WO2002005267A2 (en) | 2002-01-17 |
WO2002005267A3 true WO2002005267A3 (en) | 2002-05-16 |
Family
ID=24453765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/020001 WO2002005267A2 (en) | 2000-07-07 | 2001-06-25 | Reversible piezoelectric positioning device and a disk drive using same |
Country Status (3)
Country | Link |
---|---|
US (1) | US6384514B1 (en) |
AU (1) | AU2001268685A1 (en) |
WO (1) | WO2002005267A2 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19942269A1 (en) * | 1999-09-04 | 2001-03-08 | Philips Corp Intellectual Pty | Piezoelectric drive device |
US7119477B1 (en) * | 1999-10-31 | 2006-10-10 | Nanomotion Ltd. | Replaceable friction coupling for piezoelectric motors |
US6690101B2 (en) * | 2000-03-23 | 2004-02-10 | Elliptec Resonant Actuator Ag | Vibratory motors and methods of making and using same |
JP2002040338A (en) * | 2000-07-27 | 2002-02-06 | Seiko Instruments Inc | Optical communication equipment and control method therefor |
JP4154851B2 (en) * | 2000-10-31 | 2008-09-24 | コニカミノルタホールディングス株式会社 | Drive device |
US20050127789A1 (en) * | 2001-03-08 | 2005-06-16 | Magnussen Bjoern B. | Piezoelectric motors and methods for the production and operation thereof |
DE10146703A1 (en) * | 2001-09-21 | 2003-04-10 | Elliptec Resonant Actuator Ag | Piezomotor with guide |
CA2472104C (en) * | 2002-02-06 | 2008-12-30 | Elliptec Resonant Actuator Aktiengesellschaft | Piezoelectric motor control |
US7368853B2 (en) * | 2002-04-22 | 2008-05-06 | Elliptec Resonant Actuator Aktiengesellschaft | Piezoelectric motors and methods for the production and operation thereof |
US7061158B2 (en) * | 2002-07-25 | 2006-06-13 | Nanomotion Ltd. | High resolution piezoelectric motor |
JP2004320979A (en) * | 2003-04-03 | 2004-11-11 | Seiko Epson Corp | Driving device and electric equipment |
US20050082950A1 (en) * | 2003-08-13 | 2005-04-21 | Seiko Epson Corporation | Piezoelectric actuator module, motor module and apparatus |
GB0323920D0 (en) * | 2003-10-11 | 2003-11-12 | Johnson Electric Sa | Electric motor |
GB2420010A (en) * | 2004-11-05 | 2006-05-10 | Johnson Electric Sa | Piezoelectric motor with quadrant-type actuator |
DE102005039358B4 (en) | 2005-08-19 | 2016-12-08 | Physik Instrumente (Pi) Gmbh & Co. Kg | Piezoelectric actuator for an ultrasonic motor |
TWM304689U (en) * | 2006-06-09 | 2007-01-11 | Tricore Corp | Focusing actuator using voice coil motor |
CN101728973A (en) * | 2008-10-31 | 2010-06-09 | 鸿富锦精密工业(深圳)有限公司 | Driving device and overload protection method thereof |
HUE032837T2 (en) * | 2011-07-19 | 2017-11-28 | Mauser-Werke Oberndorf Maschb Gmbh | Adjustment system |
CN103259449B (en) * | 2013-04-22 | 2016-08-03 | 北京大学 | Piezoelectric actuator and piezo-electric motor |
CN105375812A (en) * | 2014-08-13 | 2016-03-02 | 精工爱普生株式会社 | Piezoelectric driving device and driving method therefor, and robot and driving method therefor |
EP3276817A1 (en) * | 2016-07-29 | 2018-01-31 | Physik Instrumente (PI) GmbH & Co. Kg | Actuator |
WO2018204888A1 (en) | 2017-05-05 | 2018-11-08 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
US11815794B2 (en) | 2017-05-05 | 2023-11-14 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
US11859598B2 (en) * | 2021-06-10 | 2024-01-02 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5382863A (en) * | 1991-01-07 | 1995-01-17 | Dsp Holdings Ltd. | Method and device in a motor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4188645A (en) | 1978-11-02 | 1980-02-12 | Burroughs Corporation | Piezoelectric servo for disk drive |
US4764828A (en) | 1987-03-26 | 1988-08-16 | Priam Corporation | Disc and hub centering device for use in magnetic disc drives |
JP3064336B2 (en) | 1989-06-28 | 2000-07-12 | 株式会社日立製作所 | Information handling device and disk device |
EP0513288A1 (en) | 1990-12-04 | 1992-11-19 | Scansov Transport Ab | Piezoelectric motor |
DE69227660T2 (en) | 1991-09-18 | 1999-04-22 | Fujitsu Ltd | Memory with floating head |
EP0556436B1 (en) | 1992-02-19 | 2001-09-05 | Tandberg Data Asa | Method and apparatus for positioning of a magnetic head |
IL106296A0 (en) | 1993-07-09 | 1993-12-28 | Nanomotion Ltd | Ceramic motor |
DE69429744T2 (en) | 1993-07-09 | 2002-08-14 | Nanomotion Ltd | Ceramic engine |
US5616980A (en) | 1993-07-09 | 1997-04-01 | Nanomotion Ltd. | Ceramic motor |
US5682076A (en) | 1993-08-03 | 1997-10-28 | Nanomotion Ltd. | Ceramic disc-drive actuator |
IL114656A0 (en) | 1995-07-18 | 1995-11-27 | Nanomotion Ltd | Ceramic motor |
US5521778A (en) | 1994-08-30 | 1996-05-28 | International Business Machines Corporation | Disk drive with primary and secondary actuator drives |
IL113291A0 (en) | 1995-04-06 | 1995-07-31 | Nanomotion Ltd | A multi-axis rotation device |
-
2000
- 2000-07-07 US US09/612,580 patent/US6384514B1/en not_active Expired - Fee Related
-
2001
- 2001-06-25 WO PCT/US2001/020001 patent/WO2002005267A2/en active Application Filing
- 2001-06-25 AU AU2001268685A patent/AU2001268685A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5382863A (en) * | 1991-01-07 | 1995-01-17 | Dsp Holdings Ltd. | Method and device in a motor |
Also Published As
Publication number | Publication date |
---|---|
US6384514B1 (en) | 2002-05-07 |
WO2002005267A2 (en) | 2002-01-17 |
AU2001268685A1 (en) | 2002-01-21 |
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