JPH0474780B2 - - Google Patents

Info

Publication number
JPH0474780B2
JPH0474780B2 JP61026636A JP2663686A JPH0474780B2 JP H0474780 B2 JPH0474780 B2 JP H0474780B2 JP 61026636 A JP61026636 A JP 61026636A JP 2663686 A JP2663686 A JP 2663686A JP H0474780 B2 JPH0474780 B2 JP H0474780B2
Authority
JP
Japan
Prior art keywords
signal
recording area
area detection
circuit
recording
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
JP61026636A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62184629A (ja
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 filed Critical
Priority to JP2663686A priority Critical patent/JPS62184629A/ja
Priority to US07/012,087 priority patent/US4924447A/en
Priority to EP87101642A priority patent/EP0232867B1/en
Priority to DE8787101642T priority patent/DE3770283D1/de
Publication of JPS62184629A publication Critical patent/JPS62184629A/ja
Priority to US07/440,261 priority patent/US4999824A/en
Priority to US07/564,799 priority patent/US5134607A/en
Publication of JPH0474780B2 publication Critical patent/JPH0474780B2/ja
Granted legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)
JP2663686A 1986-02-07 1986-02-07 光メモリ装置 Granted JPS62184629A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2663686A JPS62184629A (ja) 1986-02-07 1986-02-07 光メモリ装置
US07/012,087 US4924447A (en) 1986-02-07 1987-02-06 Optical memory device for recording, reproducing or erasing information onto a recording medium, including a recorded region detecting circuit.
EP87101642A EP0232867B1 (en) 1986-02-07 1987-02-06 Optical memory device
DE8787101642T DE3770283D1 (de) 1986-02-07 1987-02-06 Optisches speichergeraet.
US07/440,261 US4999824A (en) 1986-02-07 1989-11-22 Magneto-optical memory device
US07/564,799 US5134607A (en) 1986-02-07 1990-08-09 Optical memory system for generating a timing control signal for detecting a recorded region through a playback signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2663686A JPS62184629A (ja) 1986-02-07 1986-02-07 光メモリ装置

Publications (2)

Publication Number Publication Date
JPS62184629A JPS62184629A (ja) 1987-08-13
JPH0474780B2 true JPH0474780B2 (enrdf_load_stackoverflow) 1992-11-27

Family

ID=12198934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2663686A Granted JPS62184629A (ja) 1986-02-07 1986-02-07 光メモリ装置

Country Status (1)

Country Link
JP (1) JPS62184629A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675338B2 (ja) * 1988-01-22 1994-09-21 シャープ株式会社 情報記録再生装置
JP2779233B2 (ja) * 1989-10-11 1998-07-23 シャープ株式会社 光記録再生装置
JP2731045B2 (ja) * 1991-04-30 1998-03-25 シャープ株式会社 情報記録再生装置
JP4505156B2 (ja) * 2001-06-06 2010-07-21 パナソニック株式会社 光ディスク装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158038A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光デイスク装置
JPS61134928A (ja) * 1984-12-05 1986-06-23 Fujitsu Ltd 記録／未記録信号判定回路

Also Published As

Publication number Publication date
JPS62184629A (ja) 1987-08-13

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Legal Events

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