JPH0580053B2 - - Google Patents

Info

Publication number
JPH0580053B2
JPH0580053B2 JP60047925A JP4792585A JPH0580053B2 JP H0580053 B2 JPH0580053 B2 JP H0580053B2 JP 60047925 A JP60047925 A JP 60047925A JP 4792585 A JP4792585 A JP 4792585A JP H0580053 B2 JPH0580053 B2 JP H0580053B2
Authority
JP
Japan
Prior art keywords
signal
state
phase difference
validity
tracking error
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
JP60047925A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61206933A (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 JP60047925A priority Critical patent/JPS61206933A/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 JPS61206933A publication Critical patent/JPS61206933A/ja
Publication of JPH0580053B2 publication Critical patent/JPH0580053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP60047925A 1985-03-11 1985-03-11 光学的情報再生装置 Granted JPS61206933A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60047925A JPS61206933A (ja) 1985-03-11 1985-03-11 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
JP60047925A JPS61206933A (ja) 1985-03-11 1985-03-11 光学的情報再生装置

Publications (2)

Publication Number Publication Date
JPS61206933A JPS61206933A (ja) 1986-09-13
JPH0580053B2 true JPH0580053B2 (cs) 1993-11-05

Family

ID=12788947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60047925A Granted JPS61206933A (ja) 1985-03-11 1985-03-11 光学的情報再生装置

Country Status (1)

Country Link
JP (1) JPS61206933A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010027203A (ja) * 2009-11-02 2010-02-04 Panasonic Corp オフトラック検出装置

Also Published As

Publication number Publication date
JPS61206933A (ja) 1986-09-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term