NL1009830C2 - Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager. - Google Patents

Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager. Download PDF

Info

Publication number
NL1009830C2
NL1009830C2 NL1009830A NL1009830A NL1009830C2 NL 1009830 C2 NL1009830 C2 NL 1009830C2 NL 1009830 A NL1009830 A NL 1009830A NL 1009830 A NL1009830 A NL 1009830A NL 1009830 C2 NL1009830 C2 NL 1009830C2
Authority
NL
Netherlands
Prior art keywords
signal
auxiliary
correlation
data carrier
generating
Prior art date
Application number
NL1009830A
Other languages
English (en)
Dutch (nl)
Inventor
Josephus Arnoldus Henr Kahlman
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Priority to NL1009830A priority Critical patent/NL1009830C2/nl
Priority to JP2000565536A priority patent/JP2002522869A/ja
Priority to PCT/EP1999/005516 priority patent/WO2000010166A1/en
Priority to KR1020007003733A priority patent/KR100622589B1/ko
Priority to EP99944311A priority patent/EP1042750A1/en
Priority to US09/371,373 priority patent/US6351438B1/en
Priority to TW088214494U priority patent/TW443570U/zh
Application granted granted Critical
Publication of NL1009830C2 publication Critical patent/NL1009830C2/nl

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
    • G11B7/09—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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10342—Improvement or modification of read or write signals signal quality assessment sub-information or auxiliary signals different from the normal recording marks, e.g. signals reproduced from wobble tracks
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
NL1009830A 1998-08-10 1998-08-10 Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager. NL1009830C2 (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL1009830A NL1009830C2 (nl) 1998-08-10 1998-08-10 Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager.
JP2000565536A JP2002522869A (ja) 1998-08-10 1999-07-29 光データ担体から情報を読み出す装置及び／又は光データ担体に情報を書き込む装置
PCT/EP1999/005516 WO2000010166A1 (en) 1998-08-10 1999-07-29 Apparatus for reading and/or writing information from/onto an optical data carrier
KR1020007003733A KR100622589B1 (ko) 1998-08-10 1999-07-29 광 데이터 매체로부터/광 데이터 매체 상에 정보를 판독 및/또는 기록하는 장치 및 방법
EP99944311A EP1042750A1 (en) 1998-08-10 1999-07-29 Apparatus for reading and/or writing information from/onto an optical data carrier
US09/371,373 US6351438B1 (en) 1998-08-10 1999-08-10 Apparatus for reading and/or writing information from/onto an optical data carrier
TW088214494U TW443570U (en) 1998-08-10 1999-08-25 Apparatus for reading and/or writing information from/onto an optical data carrier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1009830A NL1009830C2 (nl) 1998-08-10 1998-08-10 Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager.
NL1009830 1998-08-10

Publications (1)

Publication Number Publication Date
NL1009830C2 true NL1009830C2 (nl) 2000-02-11

Family

ID=19767625

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1009830A NL1009830C2 (nl) 1998-08-10 1998-08-10 Apparaat voor het lezen en/of schrijven van informatie van/naar een optische gegevensdrager.

Country Status (7)

Country Link
US (1) US6351438B1 (ko)
EP (1) EP1042750A1 (ko)
JP (1) JP2002522869A (ko)
KR (1) KR100622589B1 (ko)
NL (1) NL1009830C2 (ko)
TW (1) TW443570U (ko)
WO (1) WO2000010166A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002092918A (ja) * 2000-09-01 2002-03-29 Samsung Electro Mech Co Ltd チルト検出装置
KR100396544B1 (ko) * 2000-11-17 2003-09-02 삼성전자주식회사 광기록재생기기용 에러신호 검출장치
US20070030780A1 (en) * 2003-05-20 2007-02-08 Alexander Padiy System and method of estimating the tangential tilt of an optical data carrier...
JP4423670B2 (ja) 2003-11-27 2010-03-03 日本電気株式会社 情報記録媒体の再生方法および情報記録または再生を行う装置
JP2006185482A (ja) * 2004-12-27 2006-07-13 Toshiba Corp 光ピックアップチルト補正制御装置およびチルト補正方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0569597A1 (en) * 1991-11-20 1993-11-18 Sony Corporation Optical disk
EP0628953A1 (en) * 1993-05-18 1994-12-14 Nec Corporation Cross-talk canceler for optical disk reading mechanism
EP0662685A1 (en) * 1994-01-10 1995-07-12 Sony Corporation Disc apparatus for reproducing information signals recorded on disc-shaped recording medium and reproducing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5703855A (en) * 1993-04-06 1997-12-30 Hitachi, Ltd. Optical disk apparatus and recording and reading method for an optical disk using the same
JP3507154B2 (ja) * 1994-11-30 2004-03-15 キヤノン株式会社 情報記録再生方法
JP3176544B2 (ja) * 1995-12-13 2001-06-18 株式会社日立製作所 光ディスク装置
JP3211002B2 (ja) * 1997-04-24 2001-09-25 富士通株式会社 光記録媒体、チルト検出器、光ディスク装置、チルト検出方法及びチルト補正方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0569597A1 (en) * 1991-11-20 1993-11-18 Sony Corporation Optical disk
EP0628953A1 (en) * 1993-05-18 1994-12-14 Nec Corporation Cross-talk canceler for optical disk reading mechanism
EP0662685A1 (en) * 1994-01-10 1995-07-12 Sony Corporation Disc apparatus for reproducing information signals recorded on disc-shaped recording medium and reproducing method

Also Published As

Publication number Publication date
EP1042750A1 (en) 2000-10-11
KR20010015704A (ko) 2001-02-26
KR100622589B1 (ko) 2006-09-11
JP2002522869A (ja) 2002-07-23
US6351438B1 (en) 2002-02-26
TW443570U (en) 2001-06-23
WO2000010166A1 (en) 2000-02-24

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20090301