TW200506914A - A method of correcting the position of the optical pickup before track following - Google Patents
A method of correcting the position of the optical pickup before track followingInfo
- Publication number
- TW200506914A TW200506914A TW092121927A TW92121927A TW200506914A TW 200506914 A TW200506914 A TW 200506914A TW 092121927 A TW092121927 A TW 092121927A TW 92121927 A TW92121927 A TW 92121927A TW 200506914 A TW200506914 A TW 200506914A
- Authority
- TW
- Taiwan
- Prior art keywords
- optical pickup
- correcting
- track following
- before track
- pickup before
- Prior art date
Links
Classifications
-
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
-
- 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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092121927A TWI227886B (en) | 2003-08-08 | 2003-08-08 | A method of correcting the position of the optical pickup before track following |
US10/912,112 US20050030847A1 (en) | 2003-08-08 | 2004-08-06 | Method for correcting a position of an optical pickup before track following |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092121927A TWI227886B (en) | 2003-08-08 | 2003-08-08 | A method of correcting the position of the optical pickup before track following |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI227886B TWI227886B (en) | 2005-02-11 |
TW200506914A true TW200506914A (en) | 2005-02-16 |
Family
ID=34114718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092121927A TWI227886B (en) | 2003-08-08 | 2003-08-08 | A method of correcting the position of the optical pickup before track following |
Country Status (2)
Country | Link |
---|---|
US (1) | US20050030847A1 (zh) |
TW (1) | TWI227886B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI262477B (en) * | 2003-04-02 | 2006-09-21 | Lite On It Corp | A method of controlling the power of the sled motor in an optical disk drive |
US8811132B2 (en) * | 2006-10-24 | 2014-08-19 | Mediatek Inc. | Method for calibrating a tracking error signal of an optical disk drive |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4980876A (en) * | 1988-10-03 | 1990-12-25 | Maxoptix Corporation | Single stage track seek method |
EP0457194B1 (en) * | 1990-05-17 | 1996-12-18 | Fujitsu Limited | Positioner seek control system of a disk apparatus |
-
2003
- 2003-08-08 TW TW092121927A patent/TWI227886B/zh not_active IP Right Cessation
-
2004
- 2004-08-06 US US10/912,112 patent/US20050030847A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
TWI227886B (en) | 2005-02-11 |
US20050030847A1 (en) | 2005-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |