JPH0576706B2 - - Google Patents

Info

Publication number
JPH0576706B2
JPH0576706B2 JP59186406A JP18640684A JPH0576706B2 JP H0576706 B2 JPH0576706 B2 JP H0576706B2 JP 59186406 A JP59186406 A JP 59186406A JP 18640684 A JP18640684 A JP 18640684A JP H0576706 B2 JPH0576706 B2 JP H0576706B2
Authority
JP
Japan
Prior art keywords
recording
recording medium
light
laser
traveling
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 - Fee Related
Application number
JP59186406A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6166238A (ja
Inventor
Manabu Yamamoto
Hiroo Ukita
Tomoyuki Toshima
Hitoshi Kawaguchi
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP59186406A priority Critical patent/JPS6166238A/ja
Publication of JPS6166238A publication Critical patent/JPS6166238A/ja
Publication of JPH0576706B2 publication Critical patent/JPH0576706B2/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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP59186406A 1984-09-07 1984-09-07 光記録再生方法 Granted JPS6166238A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59186406A JPS6166238A (ja) 1984-09-07 1984-09-07 光記録再生方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59186406A JPS6166238A (ja) 1984-09-07 1984-09-07 光記録再生方法

Publications (2)

Publication Number Publication Date
JPS6166238A JPS6166238A (ja) 1986-04-05
JPH0576706B2 true JPH0576706B2 (da) 1993-10-25

Family

ID=16187850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59186406A Granted JPS6166238A (ja) 1984-09-07 1984-09-07 光記録再生方法

Country Status (1)

Country Link
JP (1) JPS6166238A (da)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4888951A (da) * 1972-02-23 1973-11-21
JPS51100628A (da) * 1975-03-03 1976-09-06 Hitachi Ltd
JPS51131283A (en) * 1975-05-12 1976-11-15 Hitachi Ltd Semi-conductor unit
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4888951A (da) * 1972-02-23 1973-11-21
JPS51100628A (da) * 1975-03-03 1976-09-06 Hitachi Ltd
JPS51131283A (en) * 1975-05-12 1976-11-15 Hitachi Ltd Semi-conductor unit
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system

Also Published As

Publication number Publication date
JPS6166238A (ja) 1986-04-05

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Legal Events

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