JPS57172533A - Optical information recording and reproducing device - Google Patents

Optical information recording and reproducing device

Info

Publication number
JPS57172533A
JPS57172533A JP5892781A JP5892781A JPS57172533A JP S57172533 A JPS57172533 A JP S57172533A JP 5892781 A JP5892781 A JP 5892781A JP 5892781 A JP5892781 A JP 5892781A JP S57172533 A JPS57172533 A JP S57172533A
Authority
JP
Japan
Prior art keywords
modulation system
discrimination
field
modulation
clock
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
JP5892781A
Other languages
English (en)
Other versions
JPH044677B2 (ja
Inventor
Isao Sato
Tomio Yoshida
Shunji Harikae
Kenji Koishi
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 JP5892781A priority Critical patent/JPS57172533A/ja
Priority to US06/368,361 priority patent/US4523304A/en
Priority to EP82103219A priority patent/EP0064196B1/en
Priority to DE8282103219T priority patent/DE3272099D1/de
Publication of JPS57172533A publication Critical patent/JPS57172533A/ja
Publication of JPH044677B2 publication Critical patent/JPH044677B2/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B7/007—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
    • G11B7/013—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 for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
    • G11B2020/10888—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing the kind of data being the selection criterion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
JP5892781A 1981-04-17 1981-04-17 Optical information recording and reproducing device Granted JPS57172533A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5892781A JPS57172533A (en) 1981-04-17 1981-04-17 Optical information recording and reproducing device
US06/368,361 US4523304A (en) 1981-04-17 1982-04-14 Optical data recording and reproducing apparatus
EP82103219A EP0064196B1 (en) 1981-04-17 1982-04-16 Optical data recording and reproducing apparatus
DE8282103219T DE3272099D1 (en) 1981-04-17 1982-04-16 Optical data recording and reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5892781A JPS57172533A (en) 1981-04-17 1981-04-17 Optical information recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS57172533A true JPS57172533A (en) 1982-10-23
JPH044677B2 JPH044677B2 (ja) 1992-01-29

Family

ID=13098457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5892781A Granted JPS57172533A (en) 1981-04-17 1981-04-17 Optical information recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS57172533A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188844A (ja) * 1983-04-12 1984-10-26 Fujitsu Ltd デイスク装置
JPS6199988A (ja) * 1984-10-19 1986-05-19 Sony Corp デイスクの回転制御装置
JPS62239476A (ja) * 1986-04-10 1987-10-20 Matsushita Commun Ind Co Ltd シ−ケンス制御回路
JPH08241572A (ja) * 1996-03-29 1996-09-17 Sony Corp 光ディスク媒体

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188844A (ja) * 1983-04-12 1984-10-26 Fujitsu Ltd デイスク装置
JPH0321986B2 (ja) * 1983-04-12 1991-03-25 Fujitsu Ltd
JPS6199988A (ja) * 1984-10-19 1986-05-19 Sony Corp デイスクの回転制御装置
JPS62239476A (ja) * 1986-04-10 1987-10-20 Matsushita Commun Ind Co Ltd シ−ケンス制御回路
JPH08241572A (ja) * 1996-03-29 1996-09-17 Sony Corp 光ディスク媒体

Also Published As

Publication number Publication date
JPH044677B2 (ja) 1992-01-29

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