JP2000149289A - 情報記録再生装置 - Google Patents

情報記録再生装置

Info

Publication number
JP2000149289A
JP2000149289A JP10323232A JP32323298A JP2000149289A JP 2000149289 A JP2000149289 A JP 2000149289A JP 10323232 A JP10323232 A JP 10323232A JP 32323298 A JP32323298 A JP 32323298A JP 2000149289 A JP2000149289 A JP 2000149289A
Authority
JP
Japan
Prior art keywords
information recording
recording medium
spot
track
sub
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.)
Withdrawn
Application number
JP10323232A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000149289A5 (enrdf_load_stackoverflow
Inventor
Buncho Yamazaki
文朝 山崎
Toru Nakamura
徹 中村
Hideki Aiko
秀樹 愛甲
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10323232A priority Critical patent/JP2000149289A/ja
Publication of JP2000149289A publication Critical patent/JP2000149289A/ja
Publication of JP2000149289A5 publication Critical patent/JP2000149289A5/ja
Withdrawn legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP10323232A 1998-11-13 1998-11-13 情報記録再生装置 Withdrawn JP2000149289A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10323232A JP2000149289A (ja) 1998-11-13 1998-11-13 情報記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10323232A JP2000149289A (ja) 1998-11-13 1998-11-13 情報記録再生装置

Publications (2)

Publication Number Publication Date
JP2000149289A true JP2000149289A (ja) 2000-05-30
JP2000149289A5 JP2000149289A5 (enrdf_load_stackoverflow) 2005-11-04

Family

ID=18152487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10323232A Withdrawn JP2000149289A (ja) 1998-11-13 1998-11-13 情報記録再生装置

Country Status (1)

Country Link
JP (1) JP2000149289A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US6778475B2 (en) Optical detector, optical pickup and optical information reproducing apparatus using optical pickup for detecting at least three light beams separated from one or more light sources
EP0189948B1 (en) Record-carrier body provided with a relief structure of optically detectable servo-track portions and sector addresses and apparatus for forming said structure
US5828634A (en) Optical disk tracking method and device for producing a tracking error signal and a track crossing signal
JP2776487B2 (ja) 光学式情報記録再生装置
US5260930A (en) Optical information recording medium and reproducing apparatus for reproducing information from the medium
US5070490A (en) Optical recording medium with tracking tracks extending beyond the recording layer and a method for detecting tracking signal from said medium
JP4205084B2 (ja) 光ピックアップ
US5838651A (en) Optical read-out head capable of improved read-out of media with different pit heights
JP2875650B2 (ja) 光学式情報記録再生装置
JP2000149289A (ja) 情報記録再生装置
JP3381873B2 (ja) 光ピツクアツプ装置及びトラツキングエラー検出方法
JP2568490B2 (ja) 光学ピツクアツプ装置
JP2556906B2 (ja) 光ピックアップ装置
JP2858202B2 (ja) 光ピックアップ
JP3736812B2 (ja) 光学式ピックアップ装置
JP2865087B2 (ja) ランドグルーブ位置検出方式及び方法
JP3845174B2 (ja) 光学ヘッド
JP2921514B2 (ja) 光ディスク装置
JPS62239333A (ja) トラツキング信号検出方法
JPS62243138A (ja) 光学式情報再生装置
JPH0127492B2 (enrdf_load_stackoverflow)
JP2680440B2 (ja) 光ピックアップ装置
JP2857033B2 (ja) 光ピックアップ装置
JPH07320288A (ja) 記録媒体および情報記録再生装置
JPS6262436A (ja) 光学的情報記録再生装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050915

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050915

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20051013

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20061027