JPH0321985B2 - - Google Patents

Info

Publication number
JPH0321985B2
JPH0321985B2 JP6413083A JP6413083A JPH0321985B2 JP H0321985 B2 JPH0321985 B2 JP H0321985B2 JP 6413083 A JP6413083 A JP 6413083A JP 6413083 A JP6413083 A JP 6413083A JP H0321985 B2 JPH0321985 B2 JP H0321985B2
Authority
JP
Japan
Prior art keywords
area
indicator
information
counter
timer
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
JP6413083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59188843A (ja
Inventor
Shinji Okada
Yoshihiro Hamura
Eiji Kaneko
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP6413083A priority Critical patent/JPS59188843A/ja
Publication of JPS59188843A publication Critical patent/JPS59188843A/ja
Publication of JPH0321985B2 publication Critical patent/JPH0321985B2/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

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6413083A 1983-04-12 1983-04-12 光学的デイスク装置 Granted JPS59188843A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6413083A JPS59188843A (ja) 1983-04-12 1983-04-12 光学的デイスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6413083A JPS59188843A (ja) 1983-04-12 1983-04-12 光学的デイスク装置

Publications (2)

Publication Number Publication Date
JPS59188843A JPS59188843A (ja) 1984-10-26
JPH0321985B2 true JPH0321985B2 (en]) 1991-03-25

Family

ID=13249179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6413083A Granted JPS59188843A (ja) 1983-04-12 1983-04-12 光学的デイスク装置

Country Status (1)

Country Link
JP (1) JPS59188843A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081737B2 (ja) * 1984-03-05 1996-01-10 株式会社リコー デジタル信号記録方式
JPS6361426A (ja) * 1986-08-22 1988-03-17 Csk Corp 光記録媒体のデ−タ追記方式

Also Published As

Publication number Publication date
JPS59188843A (ja) 1984-10-26

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