JP2009002828A - アクチュエータの位置検出装置 - Google Patents
アクチュエータの位置検出装置 Download PDFInfo
- Publication number
- JP2009002828A JP2009002828A JP2007164847A JP2007164847A JP2009002828A JP 2009002828 A JP2009002828 A JP 2009002828A JP 2007164847 A JP2007164847 A JP 2007164847A JP 2007164847 A JP2007164847 A JP 2007164847A JP 2009002828 A JP2009002828 A JP 2009002828A
- Authority
- JP
- Japan
- Prior art keywords
- scale
- actuator
- optical path
- actuator position
- magnet
- 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.)
- Ceased
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
-
- 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
- G11B5/5569—Track change, selection or acquisition by displacement of the head across disk tracks details of specially adapted mobile parts, e.g. electromechanical control devices
-
- 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
- G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59677—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks with optical servo tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0358—Lorentz force motors, e.g. voice coil motors moving along a curvilinear path
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007164847A JP2009002828A (ja) | 2007-06-22 | 2007-06-22 | アクチュエータの位置検出装置 |
PCT/JP2008/061219 WO2009001746A1 (fr) | 2007-06-22 | 2008-06-19 | Dispositif de détection de position pour actionneur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007164847A JP2009002828A (ja) | 2007-06-22 | 2007-06-22 | アクチュエータの位置検出装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009002828A true JP2009002828A (ja) | 2009-01-08 |
Family
ID=40185564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007164847A Ceased JP2009002828A (ja) | 2007-06-22 | 2007-06-22 | アクチュエータの位置検出装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2009002828A (fr) |
WO (1) | WO2009001746A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105071626B (zh) * | 2015-07-31 | 2017-12-22 | 瑞声光电科技(常州)有限公司 | 一种线性振动电机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06309825A (ja) * | 1993-04-27 | 1994-11-04 | Internatl Business Mach Corp <Ibm> | 磁気ディスク装置のサーボトラック書込み方法及び装置 |
JPH07326142A (ja) * | 1994-05-27 | 1995-12-12 | Internatl Business Mach Corp <Ibm> | データ記録ディスク駆動装置で使用されるサーボ書込みシステム |
JP2001283544A (ja) * | 2000-03-31 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 情報記録再生装置、媒体および情報集合体 |
JP2002124047A (ja) * | 2000-10-11 | 2002-04-26 | Sony Corp | 磁気ディスク装置 |
JP2005196829A (ja) * | 2003-12-26 | 2005-07-21 | Sony Corp | ディスク記録再生装置、スピンドルモータ、サーボ信号書き込み装置、およびサーボ信号書き込み方法 |
-
2007
- 2007-06-22 JP JP2007164847A patent/JP2009002828A/ja not_active Ceased
-
2008
- 2008-06-19 WO PCT/JP2008/061219 patent/WO2009001746A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06309825A (ja) * | 1993-04-27 | 1994-11-04 | Internatl Business Mach Corp <Ibm> | 磁気ディスク装置のサーボトラック書込み方法及び装置 |
JPH07326142A (ja) * | 1994-05-27 | 1995-12-12 | Internatl Business Mach Corp <Ibm> | データ記録ディスク駆動装置で使用されるサーボ書込みシステム |
JP2001283544A (ja) * | 2000-03-31 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 情報記録再生装置、媒体および情報集合体 |
JP2002124047A (ja) * | 2000-10-11 | 2002-04-26 | Sony Corp | 磁気ディスク装置 |
JP2005196829A (ja) * | 2003-12-26 | 2005-07-21 | Sony Corp | ディスク記録再生装置、スピンドルモータ、サーボ信号書き込み装置、およびサーボ信号書き込み方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2009001746A1 (fr) | 2008-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100622 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121113 |
|
A045 | Written measure of dismissal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A045 Effective date: 20130326 |