DE69019027D1 - Optisches Aufzeichnungs- und Wiedergabegerät. - Google Patents

Optisches Aufzeichnungs- und Wiedergabegerät.

Info

Publication number
DE69019027D1
DE69019027D1 DE69019027T DE69019027T DE69019027D1 DE 69019027 D1 DE69019027 D1 DE 69019027D1 DE 69019027 T DE69019027 T DE 69019027T DE 69019027 T DE69019027 T DE 69019027T DE 69019027 D1 DE69019027 D1 DE 69019027D1
Authority
DE
Germany
Prior art keywords
circuit
initial pulse
outputting
data
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 - Fee Related
Application number
DE69019027T
Other languages
English (en)
Other versions
DE69019027T2 (de
Inventor
Keiichi Tstsui
Shigeru Yoda
Kouji Sogou
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.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
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
Priority claimed from JP4286889A external-priority patent/JPH02223064A/ja
Priority claimed from JP4402289A external-priority patent/JPH02223066A/ja
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Publication of DE69019027D1 publication Critical patent/DE69019027D1/de
Application granted granted Critical
Publication of DE69019027T2 publication Critical patent/DE69019027T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • 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
    • G11B7/00745—Sectoring or header formats within a track

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69019027T 1989-02-22 1990-02-20 Optisches Aufzeichnungs- und Wiedergabegerät. Expired - Fee Related DE69019027T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4286889A JPH02223064A (ja) 1989-02-22 1989-02-22 光学的記録再生装置
JP4402289A JPH02223066A (ja) 1989-02-23 1989-02-23 光学的記録再生装置

Publications (2)

Publication Number Publication Date
DE69019027D1 true DE69019027D1 (de) 1995-06-08
DE69019027T2 DE69019027T2 (de) 1996-01-25

Family

ID=26382605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019027T Expired - Fee Related DE69019027T2 (de) 1989-02-22 1990-02-20 Optisches Aufzeichnungs- und Wiedergabegerät.

Country Status (3)

Country Link
EP (1) EP0384405B1 (de)
AT (1) ATE122172T1 (de)
DE (1) DE69019027T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467312A2 (de) * 1990-07-16 1992-01-22 Omron Corporation Optisches Aufzeichnungs- und Wiedergabegerät und Verfahren
JP3763419B2 (ja) * 1994-03-11 2006-04-05 パイオニア株式会社 情報記録装置及び情報記録方法
JP3447942B2 (ja) * 1998-01-14 2003-09-16 パイオニア株式会社 情報記録装置および情報記録方法
JP4102483B2 (ja) * 1998-06-02 2008-06-18 パイオニア株式会社 情報記録装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583211A (en) * 1982-06-15 1986-04-15 Tokyo Shibaura Denki Kabushiki Kaisha Frequency detecting circuit for digital information reproducing system
JPS61188743A (ja) * 1985-02-18 1986-08-22 Nec Corp デイスク記録情報複写装置
JPS6218676A (ja) * 1985-07-18 1987-01-27 Canon Inc 情報記録方法
JPS62139179A (ja) * 1985-12-11 1987-06-22 Csk Corp 同期制御方式
ATE111253T1 (de) * 1986-07-31 1994-09-15 Sony Corp Aufzeichnungs/wiedergabegerät für optische platte.
JPH0731904B2 (ja) * 1986-08-21 1995-04-10 株式会社東芝 デイスク記録再生装置
JP2663422B2 (ja) * 1986-10-30 1997-10-15 ソニー株式会社 光カード再生装置
JP2548145B2 (ja) * 1986-11-21 1996-10-30 オリンパス光学工業株式会社 光カードおよび光カード記録装置

Also Published As

Publication number Publication date
EP0384405A2 (de) 1990-08-29
EP0384405B1 (de) 1995-05-03
DE69019027T2 (de) 1996-01-25
ATE122172T1 (de) 1995-05-15
EP0384405A3 (de) 1991-06-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee