TW200614209A - Half-wave layer jumping control device for optical pick-up of CD-ROM - Google Patents
Half-wave layer jumping control device for optical pick-up of CD-ROMInfo
- Publication number
- TW200614209A TW200614209A TW093131614A TW93131614A TW200614209A TW 200614209 A TW200614209 A TW 200614209A TW 093131614 A TW093131614 A TW 093131614A TW 93131614 A TW93131614 A TW 93131614A TW 200614209 A TW200614209 A TW 200614209A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- layer jumping
- optical pick
- wave layer
- control
- 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
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093131614A TWI275085B (en) | 2004-10-19 | 2004-10-19 | Half-wave layer jumping control device for optical pick-up of CD-ROM |
US11/236,642 US20060083126A1 (en) | 2004-10-19 | 2005-09-28 | Methods and apparatuses of half-wave layer jump control for optical disk drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093131614A TWI275085B (en) | 2004-10-19 | 2004-10-19 | Half-wave layer jumping control device for optical pick-up of CD-ROM |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200614209A true TW200614209A (en) | 2006-05-01 |
TWI275085B TWI275085B (en) | 2007-03-01 |
Family
ID=36180616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093131614A TWI275085B (en) | 2004-10-19 | 2004-10-19 | Half-wave layer jumping control device for optical pick-up of CD-ROM |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060083126A1 (zh) |
TW (1) | TWI275085B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI267840B (en) * | 2005-12-07 | 2006-12-01 | Sunplus Technology Co Ltd | Layer jump control apparatus and method |
JP2010135029A (ja) * | 2008-12-05 | 2010-06-17 | Sony Corp | 光ディスク装置及び光ディスク駆動制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6028826A (en) * | 1996-09-18 | 2000-02-22 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus performing correction of phase difference tracking error signal, adjustment of focus position and process of gain adjustment |
TW509930B (en) * | 2001-10-19 | 2002-11-11 | Acer Labs Inc | Layer-jumping control device and method of optical disk driver |
US7054240B2 (en) * | 2002-03-04 | 2006-05-30 | Zoran Corporation | Method and apparatus for providing focus control on a multi layer disc |
TWI234149B (en) * | 2003-09-09 | 2005-06-11 | Mediatek Inc | Hopping-layer controller and its method for high speed CD-ROM drive |
-
2004
- 2004-10-19 TW TW093131614A patent/TWI275085B/zh not_active IP Right Cessation
-
2005
- 2005-09-28 US US11/236,642 patent/US20060083126A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20060083126A1 (en) | 2006-04-20 |
TWI275085B (en) | 2007-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |