JPH041929B2 - - Google Patents

Info

Publication number
JPH041929B2
JPH041929B2 JP2274284A JP2274284A JPH041929B2 JP H041929 B2 JPH041929 B2 JP H041929B2 JP 2274284 A JP2274284 A JP 2274284A JP 2274284 A JP2274284 A JP 2274284A JP H041929 B2 JPH041929 B2 JP H041929B2
Authority
JP
Japan
Prior art keywords
light
tracking error
signal
differential signal
error signal
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.)
Expired
Application number
JP2274284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60170036A (ja
Inventor
Seiichi Oogoshi
Hiroshi Tanimoto
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP2274284A priority Critical patent/JPS60170036A/ja
Publication of JPS60170036A publication Critical patent/JPS60170036A/ja
Publication of JPH041929B2 publication Critical patent/JPH041929B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP2274284A 1984-02-13 1984-02-13 トラッキング誤差信号生成方法 Granted JPS60170036A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2274284A JPS60170036A (ja) 1984-02-13 1984-02-13 トラッキング誤差信号生成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2274284A JPS60170036A (ja) 1984-02-13 1984-02-13 トラッキング誤差信号生成方法

Publications (2)

Publication Number Publication Date
JPS60170036A JPS60170036A (ja) 1985-09-03
JPH041929B2 true JPH041929B2 (es) 1992-01-14

Family

ID=12091159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2274284A Granted JPS60170036A (ja) 1984-02-13 1984-02-13 トラッキング誤差信号生成方法

Country Status (1)

Country Link
JP (1) JPS60170036A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003249444A1 (en) * 2002-08-21 2004-03-11 Koninklijke Philips Electronics N.V. Tracking system and method

Also Published As

Publication number Publication date
JPS60170036A (ja) 1985-09-03

Similar Documents

Publication Publication Date Title
US4057833A (en) Centering detection system for an apparatus for playing optically readable record carriers
KR950010418B1 (ko) 광기록재생장치
US4815060A (en) Optical pickup device with tracking and focusing utilizing a photodetector having four regions
JP3545181B2 (ja) 光情報記録再生装置
JPS58147823A (ja) トラツクずれ検出装置
KR100555478B1 (ko) 안정된 오차신호 검출 가능한 광픽업장치
US5905703A (en) Optical disk apparatus having an improved tracking control system
JPH08321045A (ja) 光ディスク装置
US20070081431A1 (en) Optical pickup
KR100739663B1 (ko) 광 기록/재생 시스템 모니터링 신호 생성 방법 및 장치
KR100618991B1 (ko) 광픽업용 시크방향 검출신호 생성장치
US5430704A (en) Reproducing system for an optical disc
JPH041929B2 (es)
US7072268B2 (en) Optical pickup apparatus, optical disk apparatus, and tracking error signal detection method
JP2003217142A (ja) 光ディスクフォーカスエラー検出方法および光ディスク装置
JPH0714173A (ja) 光ディスク記録媒体及びそのトラッキング方法
JPS63244419A (ja) トラツキング誤差検出装置
JP3132144B2 (ja) 光ディスクのトラッキング制御装置およびトラッキングエラー信号の生成方法
US20060018215A1 (en) Optical pickup device
JP2978354B2 (ja) 光再生装置のクロストーク低減装置
JPH11102526A (ja) 光学ヘッドおよび光学的情報再生装置
KR100293522B1 (ko) 광픽업장치
JPH0758551B2 (ja) 光学的情報再生装置
JP3346534B2 (ja) 光ディスク装置
SU1117693A1 (ru) Устройство слежени за информационной дорожкой