JPH0312375B2 - - Google Patents

Info

Publication number
JPH0312375B2
JPH0312375B2 JP9060384A JP9060384A JPH0312375B2 JP H0312375 B2 JPH0312375 B2 JP H0312375B2 JP 9060384 A JP9060384 A JP 9060384A JP 9060384 A JP9060384 A JP 9060384A JP H0312375 B2 JPH0312375 B2 JP H0312375B2
Authority
JP
Japan
Prior art keywords
recording
optical
polarity
determination mark
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
JP9060384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60234233A (ja
Inventor
Kenji Koishi
Tamotsu Matsuo
Isao Sato
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 JP59090603A priority Critical patent/JPS60234233A/ja
Publication of JPS60234233A publication Critical patent/JPS60234233A/ja
Publication of JPH0312375B2 publication Critical patent/JPH0312375B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP59090603A 1984-05-07 1984-05-07 光学的記録再生装置 Granted JPS60234233A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59090603A JPS60234233A (ja) 1984-05-07 1984-05-07 光学的記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59090603A JPS60234233A (ja) 1984-05-07 1984-05-07 光学的記録再生装置

Publications (2)

Publication Number Publication Date
JPS60234233A JPS60234233A (ja) 1985-11-20
JPH0312375B2 true JPH0312375B2 (OSRAM) 1991-02-20

Family

ID=14003044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59090603A Granted JPS60234233A (ja) 1984-05-07 1984-05-07 光学的記録再生装置

Country Status (1)

Country Link
JP (1) JPS60234233A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2609593B2 (ja) * 1986-10-24 1997-05-14 株式会社日立製作所 ディスク媒体の記録方法及びディスク装置
JPS63146226A (ja) * 1986-12-10 1988-06-18 Matsushita Electric Ind Co Ltd 光記録方法および光記録装置
JP2763080B2 (ja) * 1992-03-18 1998-06-11 富士通株式会社 光ディスク装置
US5418767A (en) * 1993-10-28 1995-05-23 International Business Machines Corporation Detection of overusage of spare sectors in an optical disk

Also Published As

Publication number Publication date
JPS60234233A (ja) 1985-11-20

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees