JPH0580054B2 - - Google Patents

Info

Publication number
JPH0580054B2
JPH0580054B2 JP60158965A JP15896585A JPH0580054B2 JP H0580054 B2 JPH0580054 B2 JP H0580054B2 JP 60158965 A JP60158965 A JP 60158965A JP 15896585 A JP15896585 A JP 15896585A JP H0580054 B2 JPH0580054 B2 JP H0580054B2
Authority
JP
Japan
Prior art keywords
signal
state
phase difference
detection signals
digital detection
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 - Lifetime
Application number
JP60158965A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6220145A (ja
Inventor
Shinichi Tanaka
Haruo Isaka
Juji Tanaka
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 JP60158965A priority Critical patent/JPS6220145A/ja
Priority to US06/837,287 priority patent/US4740940A/en
Priority to EP86301731A priority patent/EP0197666B1/en
Priority to DE8686301731T priority patent/DE3675056D1/de
Priority to KR8601708A priority patent/KR900002997B1/ko
Publication of JPS6220145A publication Critical patent/JPS6220145A/ja
Publication of JPH0580054B2 publication Critical patent/JPH0580054B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP60158965A 1985-03-11 1985-07-18 光学的情報再生装置 Granted JPS6220145A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60158965A JPS6220145A (ja) 1985-07-18 1985-07-18 光学的情報再生装置
US06/837,287 US4740940A (en) 1985-03-11 1986-03-06 Optical information read apparatus
EP86301731A EP0197666B1 (en) 1985-03-11 1986-03-11 Optical information-reproducing apparatus
DE8686301731T DE3675056D1 (de) 1985-03-11 1986-03-11 Optisches informationswiedergabegeraet.
KR8601708A KR900002997B1 (en) 1985-03-11 1986-03-11 Optical information player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60158965A JPS6220145A (ja) 1985-07-18 1985-07-18 光学的情報再生装置

Publications (2)

Publication Number Publication Date
JPS6220145A JPS6220145A (ja) 1987-01-28
JPH0580054B2 true JPH0580054B2 (cs) 1993-11-05

Family

ID=15683233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60158965A Granted JPS6220145A (ja) 1985-03-11 1985-07-18 光学的情報再生装置

Country Status (1)

Country Link
JP (1) JPS6220145A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254155B1 (ko) * 1994-06-07 2000-04-15 모리시타 요이찌 광학 정보 기록 매체, 광학 정보 기록 방법, 및 이 방법을 사용한 광학 정보 재생 장치
JPH09251651A (ja) * 1996-03-15 1997-09-22 Toshiba Corp 位相差電圧生成回路
JP2007223883A (ja) 2005-12-26 2007-09-06 Asahi Glass Co Ltd 車両用合せガラス
JP5717049B2 (ja) * 2011-02-22 2015-05-13 スズキ株式会社 内燃機関の制御装置

Also Published As

Publication number Publication date
JPS6220145A (ja) 1987-01-28

Similar Documents

Publication Publication Date Title
JPS60119641A (ja) トラッキングエラ−信号発生装置
JPH057770B2 (cs)
JPH0460927A (ja) 光ピックアップ
JP2523555B2 (ja) 光スポットの制御方法及び位置制御装置
JPH02273328A (ja) 光学式記録再生装置のデトラック検出方法
JPH0580054B2 (cs)
JPH0782656B2 (ja) 光デイスク装置
JPH0536083A (ja) 光記録再生装置
US5563863A (en) Information reproducing method and apparatus for reproducing digital information by determining the information in multiple bit units based on binarizer output signals
JPH0256734A (ja) 光学的再生装置
JPH0633581Y2 (ja) 波形解析回路
US4740944A (en) Optical disk phase lock loop with comb filter
JP3011491B2 (ja) トラッキングエラー検出装置
JP2824573B2 (ja) トラツキングエラー信号発生回路
JP2633865B2 (ja) トラッキング方法
JPH0580053B2 (cs)
JPS62195733A (ja) トラツク検出回路
JPS61289535A (ja) 情報記録担体の欠陥検出装置
JPS63213130A (ja) トラツクはずれ検出回路
JPH01303634A (ja) 光学式情報再生装置
JPH0378311A (ja) データ復調回路
JPH03144923A (ja) 光学式情報再生装置
JPS61222316A (ja) 再生信号検出回路
JPS63213122A (ja) 光学式記録再生装置
JPS6199943A (ja) 焦点状態検査装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term