TW200725576A - Optical disc recorder and control device used for writable optical disc at label side - Google Patents

Optical disc recorder and control device used for writable optical disc at label side

Info

Publication number
TW200725576A
TW200725576A TW094144834A TW94144834A TW200725576A TW 200725576 A TW200725576 A TW 200725576A TW 094144834 A TW094144834 A TW 094144834A TW 94144834 A TW94144834 A TW 94144834A TW 200725576 A TW200725576 A TW 200725576A
Authority
TW
Taiwan
Prior art keywords
optical disc
control device
label side
output signal
analog output
Prior art date
Application number
TW094144834A
Other languages
English (en)
Inventor
Yu-Ming Kang
Chi-Yuan Liu
Original Assignee
Lite On It Corp
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 Lite On It Corp filed Critical Lite On It Corp
Priority to TW094144834A priority Critical patent/TW200725576A/zh
Priority to US11/610,020 priority patent/US20070140077A1/en
Publication of TW200725576A publication Critical patent/TW200725576A/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24094—Indication parts or information parts for identification
    • 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
    • G11B7/0908—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 for focusing 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
    • G11B7/094—Methods and circuits for servo offset compensation

Landscapes

  • Optical Recording Or Reproduction (AREA)
TW094144834A 2005-12-16 2005-12-16 Optical disc recorder and control device used for writable optical disc at label side TW200725576A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW094144834A TW200725576A (en) 2005-12-16 2005-12-16 Optical disc recorder and control device used for writable optical disc at label side
US11/610,020 US20070140077A1 (en) 2005-12-16 2006-12-13 Optical disc recording apparatus capable of marking label side of optical disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094144834A TW200725576A (en) 2005-12-16 2005-12-16 Optical disc recorder and control device used for writable optical disc at label side

Publications (1)

Publication Number Publication Date
TW200725576A true TW200725576A (en) 2007-07-01

Family

ID=38173285

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094144834A TW200725576A (en) 2005-12-16 2005-12-16 Optical disc recorder and control device used for writable optical disc at label side

Country Status (2)

Country Link
US (1) US20070140077A1 (zh)
TW (1) TW200725576A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008269688A (ja) * 2007-04-18 2008-11-06 Toshiba Samsung Storage Technology Corp 光ディスク及び光ディスク装置
US7724627B2 (en) * 2007-04-22 2010-05-25 Hewlett-Packard Development Company, L.P. Encoder spokes detection prior to forming image on optically writable label surface of optical disc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5612939A (en) * 1995-01-27 1997-03-18 Victor Company Of Japan, Ltd. Optical disk recording and/or reproducing apparatus for performing optimizing operation for servo control with recording and/or reproducing operation
JPH09237424A (ja) * 1995-12-26 1997-09-09 Pioneer Electron Corp フォーカスエラー信号のバイアス量制御装置
KR100892101B1 (ko) * 2001-07-26 2009-04-08 소니 가부시끼 가이샤 광디스크 기록 재생 장치와 그 포커스 처리 방법 및광디스크 기록 매체
JP3736398B2 (ja) * 2001-08-01 2006-01-18 ティアック株式会社 光ディスク装置

Also Published As

Publication number Publication date
US20070140077A1 (en) 2007-06-21

Similar Documents

Publication Publication Date Title
KR100440834B1 (ko) 레이저 제어 장치
TW200642296A (en) Improved switched capacitor DAC
TW200739567A (en) Photodetector circuit, method for deriving laser light emission amount control signal, optical pickup device, and optical disk apparatus
TW200725576A (en) Optical disc recorder and control device used for writable optical disc at label side
DK165809B (da) Fremgangsmaade til kompensation af offsetspaendingen i en reguleringsforstaerker og kredsloebsarragenment til udoevelse af fremgangsmaaden
KR100619361B1 (ko) 멀티 게인을 갖는 ｐｄｉｃ
KR100393213B1 (ko) 디스크 드라이브의 자동 파워 제어 장치
KR100941797B1 (ko) Ｄ급 증폭 장치
EP1427101A4 (en) CIRCUIT GAIN DEVICE
US20070248129A1 (en) Laser power control apparatus
JP2008205725A (ja) アンプ及びオフセット電圧補正回路
ATE400099T1 (de) Optischer einseitenbandmodulator
JP2005182868A (ja) レーザノイズ除去回路及び光ディスク装置
TW200506883A (en) Optical disc drive apparatus
KR100242339B1 (ko) 광디스크의 재생신호 보상회로
WO2006045147A3 (en) Low distortion class-d amplifier
KR100370219B1 (ko) 레이저 다이오드의 임계 대역을 구하는 방법
JP2020013624A (ja) 電子機器、及び、電子機器の制御方法
US8054725B2 (en) Optical disk apparatus
TW200731239A (en) Read and write power control methods and system for optical recording device
JP4915394B2 (ja) オフセット補正回路、オフセット補正方法及び記録再生装置
KR950020490A (ko) 광디스크시스템에 있어서 레이저 다이오드 파워 콘트롤방법 및 회로
KR100474997B1 (ko) 오프셋 제거 기능을 갖는 서보처리장치 및 그의 오프셋 제거방법
KR100263056B1 (ko) 광 디스크 재생시스템의 디지털 서보 제어장치
JP3431830B2 (ja) 光ディスク装置