CN103871435A - 光驱及其操作方法 - Google Patents
光驱及其操作方法 Download PDFInfo
- Publication number
- CN103871435A CN103871435A CN201210525752.0A CN201210525752A CN103871435A CN 103871435 A CN103871435 A CN 103871435A CN 201210525752 A CN201210525752 A CN 201210525752A CN 103871435 A CN103871435 A CN 103871435A
- Authority
- CN
- China
- Prior art keywords
- digital signal
- spindle motor
- signal processor
- drive
- servo
- 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.)
- Pending
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Classifications
-
- 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
- G11B19/2054—Spindle motor power-up sequences
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210525752.0A CN103871435A (zh) | 2012-12-10 | 2012-12-10 | 光驱及其操作方法 |
US13/874,758 US8848498B2 (en) | 2012-12-10 | 2013-05-01 | Optical disk drive and start-up operating method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210525752.0A CN103871435A (zh) | 2012-12-10 | 2012-12-10 | 光驱及其操作方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103871435A true CN103871435A (zh) | 2014-06-18 |
Family
ID=50880857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210525752.0A Pending CN103871435A (zh) | 2012-12-10 | 2012-12-10 | 光驱及其操作方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8848498B2 (zh) |
CN (1) | CN103871435A (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020080698A1 (en) * | 2000-11-07 | 2002-06-27 | Turner Christopher J. | System and method for controlling spin speed of media in an optical disc drive |
US20020141300A1 (en) * | 2001-01-15 | 2002-10-03 | Minoru Hirashima | Focusing servo apparatus for optical pickup |
CN1508784A (zh) * | 2002-12-13 | 2004-06-30 | 上海乐金广电电子有限公司 | 光驱的主轴伺服控制方法 |
US20040125706A1 (en) * | 2002-12-18 | 2004-07-01 | Samsung Electronics Co., Ltd. | Method of eliminating home-in noise in optical disc drive by using variable step counter |
CN1619663A (zh) * | 2003-11-17 | 2005-05-25 | 建兴电子科技股份有限公司 | 光驱中一种增进读取速度的方法 |
US6901040B2 (en) * | 2001-01-25 | 2005-05-31 | Dphi Acquisitions, Inc. | Kp and Ki lookup system and method |
CN101295524A (zh) * | 2007-04-29 | 2008-10-29 | 先锋高科技(上海)有限公司 | 光盘驱动装置 |
CN101335024A (zh) * | 2007-06-13 | 2008-12-31 | 联发科技股份有限公司 | 最优功率校准方法及系统 |
US20090262006A1 (en) * | 2005-04-14 | 2009-10-22 | L-3 Communications Cyterra Corporation | Moving-entity detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5646797A (en) * | 1990-09-18 | 1997-07-08 | Rodime Plc | Digital servo control system for use in disk drives |
US5677899A (en) * | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
EP2200032A3 (en) * | 1998-09-18 | 2010-09-22 | Kabushiki Kaisha Toshiba | Information recording method, information recording device, and information recording medium |
JP3718759B2 (ja) * | 1999-01-25 | 2005-11-24 | 株式会社日立製作所 | レーザ駆動装置および光ディスク記録再生装置 |
US7095685B2 (en) * | 2001-01-25 | 2006-08-22 | Dphi Acquisitions, Inc. | System and method for detecting and recovering from an off-format state in an optical disc drive |
-
2012
- 2012-12-10 CN CN201210525752.0A patent/CN103871435A/zh active Pending
-
2013
- 2013-05-01 US US13/874,758 patent/US8848498B2/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020080698A1 (en) * | 2000-11-07 | 2002-06-27 | Turner Christopher J. | System and method for controlling spin speed of media in an optical disc drive |
US20020141300A1 (en) * | 2001-01-15 | 2002-10-03 | Minoru Hirashima | Focusing servo apparatus for optical pickup |
US6901040B2 (en) * | 2001-01-25 | 2005-05-31 | Dphi Acquisitions, Inc. | Kp and Ki lookup system and method |
CN1508784A (zh) * | 2002-12-13 | 2004-06-30 | 上海乐金广电电子有限公司 | 光驱的主轴伺服控制方法 |
US20040125706A1 (en) * | 2002-12-18 | 2004-07-01 | Samsung Electronics Co., Ltd. | Method of eliminating home-in noise in optical disc drive by using variable step counter |
CN1619663A (zh) * | 2003-11-17 | 2005-05-25 | 建兴电子科技股份有限公司 | 光驱中一种增进读取速度的方法 |
US20090262006A1 (en) * | 2005-04-14 | 2009-10-22 | L-3 Communications Cyterra Corporation | Moving-entity detection |
CN101295524A (zh) * | 2007-04-29 | 2008-10-29 | 先锋高科技(上海)有限公司 | 光盘驱动装置 |
CN101335024A (zh) * | 2007-06-13 | 2008-12-31 | 联发科技股份有限公司 | 最优功率校准方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
US8848498B2 (en) | 2014-09-30 |
US20140160909A1 (en) | 2014-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GUANGBAO SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANXING ELECTRONIC SCIENCE +. TECHNOLOGY CO., LTD. Effective date: 20140704 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20140704 Address after: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Applicant after: Lite-On Technology Corporation Address before: Ruiguang road Taiwan Taipei City Neihu district China No. 392 14 floor Applicant before: Jianxing Electronic Science &. Technology Co., Ltd. |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |