JPH054731B2 - - Google Patents

Info

Publication number
JPH054731B2
JPH054731B2 JP15327586A JP15327586A JPH054731B2 JP H054731 B2 JPH054731 B2 JP H054731B2 JP 15327586 A JP15327586 A JP 15327586A JP 15327586 A JP15327586 A JP 15327586A JP H054731 B2 JPH054731 B2 JP H054731B2
Authority
JP
Japan
Prior art keywords
light
tracking
information recording
spots
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 - Lifetime
Application number
JP15327586A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639034A (ja
Inventor
Bunro Kawaguchi
Shigeto Kanda
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP15327586A priority Critical patent/JPS639034A/ja
Publication of JPS639034A publication Critical patent/JPS639034A/ja
Publication of JPH054731B2 publication Critical patent/JPH054731B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP15327586A 1986-06-30 1986-06-30 光学的情報記録再生装置 Granted JPS639034A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15327586A JPS639034A (ja) 1986-06-30 1986-06-30 光学的情報記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15327586A JPS639034A (ja) 1986-06-30 1986-06-30 光学的情報記録再生装置

Publications (2)

Publication Number Publication Date
JPS639034A JPS639034A (ja) 1988-01-14
JPH054731B2 true JPH054731B2 (en, 2012) 1993-01-20

Family

ID=15558901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15327586A Granted JPS639034A (ja) 1986-06-30 1986-06-30 光学的情報記録再生装置

Country Status (1)

Country Link
JP (1) JPS639034A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01269240A (ja) * 1988-04-20 1989-10-26 Csk Corp 光記録装置
US5173598A (en) * 1991-05-10 1992-12-22 U.S. Philips Corporation Optical scanning beam position control system which is free of modulation by tracking error

Also Published As

Publication number Publication date
JPS639034A (ja) 1988-01-14

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