JP2000200431A - フォーカスジャンプ方法 - Google Patents

フォーカスジャンプ方法

Info

Publication number
JP2000200431A
JP2000200431A JP8202525A JP20252596A JP2000200431A JP 2000200431 A JP2000200431 A JP 2000200431A JP 8202525 A JP8202525 A JP 8202525A JP 20252596 A JP20252596 A JP 20252596A JP 2000200431 A JP2000200431 A JP 2000200431A
Authority
JP
Japan
Prior art keywords
signal recording
recording surface
focus jump
objective lens
focus
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
Application number
JP8202525A
Other languages
English (en)
Japanese (ja)
Inventor
Naoyuki Takagi
直之 高木
Shinichi Oe
慎一 大江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP8202525A priority Critical patent/JP2000200431A/ja
Priority to CNB971982988A priority patent/CN1257496C/zh
Priority to US09/230,540 priority patent/US6370093B1/en
Priority to PCT/JP1997/002619 priority patent/WO1998005032A1/ja
Priority to KR10-1999-7000843A priority patent/KR100449458B1/ko
Priority to CNB2004100488312A priority patent/CN1311443C/zh
Priority to CNB2004100488365A priority patent/CN1331129C/zh
Priority to CNB2004100488327A priority patent/CN1311444C/zh
Publication of JP2000200431A publication Critical patent/JP2000200431A/ja
Priority to US10/076,228 priority patent/US6459662B1/en
Priority to US10/076,531 priority patent/US6480444B2/en
Priority to US10/076,529 priority patent/US6477122B2/en
Priority to US10/076,556 priority patent/US6466527B1/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP8202525A 1996-07-31 1996-07-31 フォーカスジャンプ方法 Pending JP2000200431A (ja)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP8202525A JP2000200431A (ja) 1996-07-31 1996-07-31 フォーカスジャンプ方法
CNB2004100488312A CN1311443C (zh) 1996-07-31 1997-07-28 光盘装置
US09/230,540 US6370093B1 (en) 1996-07-31 1997-07-28 Optical disc device
PCT/JP1997/002619 WO1998005032A1 (en) 1996-07-31 1997-07-28 Optical disc device
KR10-1999-7000843A KR100449458B1 (ko) 1996-07-31 1997-07-28 광 디스크 장치
CNB971982988A CN1257496C (zh) 1996-07-31 1997-07-28 光盘装置
CNB2004100488365A CN1331129C (zh) 1996-07-31 1997-07-28 光盘装置
CNB2004100488327A CN1311444C (zh) 1996-07-31 1997-07-28 光盘装置
US10/076,228 US6459662B1 (en) 1996-07-31 2002-02-19 Optical disk device
US10/076,531 US6480444B2 (en) 1996-07-31 2002-02-19 Optical disk device
US10/076,529 US6477122B2 (en) 1996-07-31 2002-02-19 Optical disk device
US10/076,556 US6466527B1 (en) 1996-07-31 2002-02-19 Optical disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8202525A JP2000200431A (ja) 1996-07-31 1996-07-31 フォーカスジャンプ方法

Publications (1)

Publication Number Publication Date
JP2000200431A true JP2000200431A (ja) 2000-07-18

Family

ID=16458943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8202525A Pending JP2000200431A (ja) 1996-07-31 1996-07-31 フォーカスジャンプ方法

Country Status (2)

Country Link
JP (1) JP2000200431A (zh)
CN (3) CN1311443C (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065551A1 (fr) * 2000-03-03 2001-09-07 Sony Computer Entertainment Inc. Dispositif de commande de focalisation, support d'enregistrement et disque optique reproduisant le dispositif
KR100382731B1 (ko) * 2000-12-20 2003-05-09 삼성전자주식회사 다층 디스크의 포커스 점프 방법
US7936645B2 (en) 2006-01-31 2011-05-03 Panasonic Corporation Optical disc device
KR101070675B1 (ko) 2009-11-12 2011-10-07 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크의 기록층 억세스 방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008287754A (ja) * 2007-05-15 2008-11-27 Sony Corp 光情報記録方法、光情報再生方法、光情報記録装置及び光情報再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07254157A (ja) * 1994-03-14 1995-10-03 Hitachi Ltd 光ディスク装置
JPH08185633A (ja) * 1994-12-29 1996-07-16 Sony Corp フォーカス制御装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065551A1 (fr) * 2000-03-03 2001-09-07 Sony Computer Entertainment Inc. Dispositif de commande de focalisation, support d'enregistrement et disque optique reproduisant le dispositif
US6744709B2 (en) 2000-03-03 2004-06-01 Sony Computer Entertainment Inc. Focusing control apparatus, recording medium, and optical disk playback apparatus
KR100750797B1 (ko) * 2000-03-03 2007-08-20 가부시키가이샤 소니 컴퓨터 엔터테인먼트 포커스 제어장치, 기록매체 및 광디스크 재생장치
KR100382731B1 (ko) * 2000-12-20 2003-05-09 삼성전자주식회사 다층 디스크의 포커스 점프 방법
US7936645B2 (en) 2006-01-31 2011-05-03 Panasonic Corporation Optical disc device
KR101070675B1 (ko) 2009-11-12 2011-10-07 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크의 기록층 억세스 방법

Also Published As

Publication number Publication date
CN1311444C (zh) 2007-04-18
CN1331129C (zh) 2007-08-08
CN1311443C (zh) 2007-04-18
CN1700317A (zh) 2005-11-23
CN1700315A (zh) 2005-11-23
CN1700316A (zh) 2005-11-23

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