ATE122172T1 - Optisches aufzeichnungs- und wiedergabegerät. - Google Patents

Optisches aufzeichnungs- und wiedergabegerät.

Info

Publication number
ATE122172T1
ATE122172T1 AT90103256T AT90103256T ATE122172T1 AT E122172 T1 ATE122172 T1 AT E122172T1 AT 90103256 T AT90103256 T AT 90103256T AT 90103256 T AT90103256 T AT 90103256T AT E122172 T1 ATE122172 T1 AT E122172T1
Authority
AT
Austria
Prior art keywords
circuit
initial pulse
outputting
data
signal
Prior art date
Application number
AT90103256T
Other languages
English (en)
Inventor
Keiichi C O Omron Corpo Tstsui
Property Center I Intellectual
Shigeru C O Omron Corpora Yoda
Kouji C O Omron Corporat Sogou
Original Assignee
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 Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Application granted granted Critical
Publication of ATE122172T1 publication Critical patent/ATE122172T1/de

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)
AT90103256T 1989-02-22 1990-02-20 Optisches aufzeichnungs- und wiedergabegerät. ATE122172T1 (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 (1)

Publication Number Publication Date
ATE122172T1 true ATE122172T1 (de) 1995-05-15

Family

ID=26382605

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90103256T ATE122172T1 (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 (2)

* 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
WO1988001092A1 (en) * 1986-07-31 1988-02-11 Sony Corporation Optical disc recording/reproducing apparatus

Also Published As

Publication number Publication date
EP0384405A2 (de) 1990-08-29
DE69019027D1 (de) 1995-06-08
EP0384405B1 (de) 1995-05-03
DE69019027T2 (de) 1996-01-25
EP0384405A3 (de) 1991-06-12

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties