JPS576442A - Optical data recording and reproducing system - Google Patents

Optical data recording and reproducing system

Info

Publication number
JPS576442A
JPS576442A JP7776980A JP7776980A JPS576442A JP S576442 A JPS576442 A JP S576442A JP 7776980 A JP7776980 A JP 7776980A JP 7776980 A JP7776980 A JP 7776980A JP S576442 A JPS576442 A JP S576442A
Authority
JP
Japan
Prior art keywords
track
sectors
disk
data recording
optical data
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.)
Granted
Application number
JP7776980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS631666B2 (nl
Inventor
Yoshidai Kitaoka
Masateru Watanabe
Shinichi Abe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7776980A priority Critical patent/JPS576442A/ja
Publication of JPS576442A publication Critical patent/JPS576442A/ja
Publication of JPS631666B2 publication Critical patent/JPS631666B2/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
JP7776980A 1980-06-11 1980-06-11 Optical data recording and reproducing system Granted JPS576442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7776980A JPS576442A (en) 1980-06-11 1980-06-11 Optical data recording and reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7776980A JPS576442A (en) 1980-06-11 1980-06-11 Optical data recording and reproducing system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP18842186A Division JPS6297179A (ja) 1986-08-13 1986-08-13 光学的デ−タ記録再生方式

Publications (2)

Publication Number Publication Date
JPS576442A true JPS576442A (en) 1982-01-13
JPS631666B2 JPS631666B2 (nl) 1988-01-13

Family

ID=13643146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7776980A Granted JPS576442A (en) 1980-06-11 1980-06-11 Optical data recording and reproducing system

Country Status (1)

Country Link
JP (1) JPS576442A (nl)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60673A (ja) * 1983-06-16 1985-01-05 Matsushita Electric Ind Co Ltd 磁気記録再生装置
JPS6050667A (ja) * 1983-08-27 1985-03-20 Sony Corp 光デイスク記録装置
JPS60140572A (ja) * 1983-12-28 1985-07-25 Fujitsu Ltd 磁気テ−プ装置におけるデ−タの記録方法
JPS61158080A (ja) * 1984-12-28 1986-07-17 Matsushita Electric Ind Co Ltd 光学式情報記録再生装置
JPS61292269A (ja) * 1985-06-18 1986-12-23 Sanyo Electric Co Ltd デ−タ処理方法
EP0207762A2 (en) * 1985-06-27 1987-01-07 Matsushita Electric Industrial Co., Ltd. Method of formatting storage medium and drive unit therefor
JPH0322269A (ja) * 1989-03-03 1991-01-30 Matsushita Electric Ind Co Ltd 情報記録方法
JPH06208764A (ja) * 1993-09-01 1994-07-26 Sony Corp 光ディスク媒体
JPH076385A (ja) * 1993-12-10 1995-01-10 Hitachi Ltd 光学的情報処理方法および装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60673A (ja) * 1983-06-16 1985-01-05 Matsushita Electric Ind Co Ltd 磁気記録再生装置
JPS6050667A (ja) * 1983-08-27 1985-03-20 Sony Corp 光デイスク記録装置
JPS60140572A (ja) * 1983-12-28 1985-07-25 Fujitsu Ltd 磁気テ−プ装置におけるデ−タの記録方法
JPS61158080A (ja) * 1984-12-28 1986-07-17 Matsushita Electric Ind Co Ltd 光学式情報記録再生装置
JPS61292269A (ja) * 1985-06-18 1986-12-23 Sanyo Electric Co Ltd デ−タ処理方法
EP0207762A2 (en) * 1985-06-27 1987-01-07 Matsushita Electric Industrial Co., Ltd. Method of formatting storage medium and drive unit therefor
JPH0322269A (ja) * 1989-03-03 1991-01-30 Matsushita Electric Ind Co Ltd 情報記録方法
JPH06208764A (ja) * 1993-09-01 1994-07-26 Sony Corp 光ディスク媒体
JPH076385A (ja) * 1993-12-10 1995-01-10 Hitachi Ltd 光学的情報処理方法および装置

Also Published As

Publication number Publication date
JPS631666B2 (nl) 1988-01-13

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