TW200721150A - Track-jump control system and method for maintaining track-jump stability - Google Patents

Track-jump control system and method for maintaining track-jump stability

Info

Publication number
TW200721150A
TW200721150A TW095143337A TW95143337A TW200721150A TW 200721150 A TW200721150 A TW 200721150A TW 095143337 A TW095143337 A TW 095143337A TW 95143337 A TW95143337 A TW 95143337A TW 200721150 A TW200721150 A TW 200721150A
Authority
TW
Taiwan
Prior art keywords
signal
track
jump
velocity
control system
Prior art date
Application number
TW095143337A
Other languages
English (en)
Other versions
TWI352987B (en
Inventor
Kuo-Jung Lan
Shu-Ching Chen
Original Assignee
Mediatek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mediatek Inc filed Critical Mediatek Inc
Publication of TW200721150A publication Critical patent/TW200721150A/zh
Application granted granted Critical
Publication of TWI352987B publication Critical patent/TWI352987B/zh

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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
TW095143337A 2005-11-29 2006-11-23 Track-jump control system and method for maintaini TWI352987B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/289,139 US20070121440A1 (en) 2005-11-29 2005-11-29 Track-jump control system and method for maintaining track-jump stability

Publications (2)

Publication Number Publication Date
TW200721150A true TW200721150A (en) 2007-06-01
TWI352987B TWI352987B (en) 2011-11-21

Family

ID=38087300

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095143337A TWI352987B (en) 2005-11-29 2006-11-23 Track-jump control system and method for maintaini

Country Status (4)

Country Link
US (2) US20070121440A1 (zh)
JP (1) JP2007149328A (zh)
CN (1) CN100433144C (zh)
TW (1) TWI352987B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499750A (zh) * 2013-09-04 2014-01-08 镇江科创电气工程有限公司 一种便携式多功能岸电系统测试仪

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2808747B2 (ja) * 1989-11-15 1998-10-08 ソニー株式会社 トラックジャンプ制御回路
JPH0877754A (ja) * 1994-09-01 1996-03-22 Toshiba Corp ディスク再生システムのトラックジャンプ装置
JPH09212877A (ja) 1996-02-07 1997-08-15 Toshiba Corp 光ディスク装置
JPH11283254A (ja) * 1998-03-31 1999-10-15 Sony Corp 光ディスク駆動装置
JP3516598B2 (ja) * 1998-10-29 2004-04-05 パイオニア株式会社 トラックジャンプ装置
JP2000348357A (ja) * 1999-03-30 2000-12-15 Sony Corp 光ピックアップのトラックジャンプの制御方法
JP3552158B2 (ja) * 1999-04-08 2004-08-11 富士通株式会社 記憶装置
JP3542761B2 (ja) 1999-05-25 2004-07-14 エルジー電子株式会社 光記録媒体の非記録領域検出方法並びに装置
US6633520B1 (en) * 1999-06-14 2003-10-14 Oak Technology, Inc. Method and apparatus for searching in a disk drive
US6314066B1 (en) * 1999-07-21 2001-11-06 Lg Electronics Inc. Method for controlling track jump in optical recording medium
KR100618974B1 (ko) * 1999-08-28 2006-08-31 삼성전자주식회사 광디스크 드라이브의 트랙 점프 제어 장치 및 방법
JP2001266365A (ja) 2000-03-17 2001-09-28 Matsushita Electric Ind Co Ltd ディスク制御装置
KR100618990B1 (ko) * 2000-03-23 2006-09-04 삼성전자주식회사 광픽업용 시크방향 검출 신호 생성장치
JP3762629B2 (ja) * 2000-09-29 2006-04-05 富士通株式会社 トラックジャンプ方法及び記憶装置
US6963521B2 (en) * 2001-03-30 2005-11-08 Sony Corporation Disc drive apparatus
US7196977B2 (en) * 2002-10-31 2007-03-27 Matsushita Electric Industrial Co., Ltd. Track jump control circuit for accessing optical disk drive
TWI261235B (en) * 2003-12-16 2006-09-01 Mediatek Inc Track slipping protection device and method for track jumping control of DVD-RAM drive
US20050157603A1 (en) * 2004-01-19 2005-07-21 Chih-Yuan Tseng Method and apparatus for improved seek performance and stability in a header-included land/groove optical disc
JP2005174541A (ja) 2005-01-07 2005-06-30 Fujitsu Ltd 光学的記憶装置

Also Published As

Publication number Publication date
TWI352987B (en) 2011-11-21
CN100433144C (zh) 2008-11-12
CN1975885A (zh) 2007-06-06
US20070121440A1 (en) 2007-05-31
US7924661B2 (en) 2011-04-12
US20090245038A1 (en) 2009-10-01
JP2007149328A (ja) 2007-06-14

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees