JPH0235245B2 - - Google Patents

Info

Publication number
JPH0235245B2
JPH0235245B2 JP58142256A JP14225683A JPH0235245B2 JP H0235245 B2 JPH0235245 B2 JP H0235245B2 JP 58142256 A JP58142256 A JP 58142256A JP 14225683 A JP14225683 A JP 14225683A JP H0235245 B2 JPH0235245 B2 JP H0235245B2
Authority
JP
Japan
Prior art keywords
track
information
moving
code plate
reading
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 - Lifetime
Application number
JP58142256A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6033013A (ja
Inventor
Yoshiisa Narutaki
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.)
OPUTETSUKU KK
Original Assignee
OPUTETSUKU KK
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 OPUTETSUKU KK filed Critical OPUTETSUKU KK
Priority to JP14225683A priority Critical patent/JPS6033013A/ja
Publication of JPS6033013A publication Critical patent/JPS6033013A/ja
Publication of JPH0235245B2 publication Critical patent/JPH0235245B2/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • G11B23/36—Signals on record carriers or on containers and recorded by the same method as the main recording
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Control Of Position Or Direction (AREA)
JP14225683A 1983-08-03 1983-08-03 位置エンコ−ダ Granted JPS6033013A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14225683A JPS6033013A (ja) 1983-08-03 1983-08-03 位置エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14225683A JPS6033013A (ja) 1983-08-03 1983-08-03 位置エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS6033013A JPS6033013A (ja) 1985-02-20
JPH0235245B2 true JPH0235245B2 (enrdf_load_stackoverflow) 1990-08-09

Family

ID=15311087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14225683A Granted JPS6033013A (ja) 1983-08-03 1983-08-03 位置エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS6033013A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007097350A1 (ja) * 2006-02-21 2009-07-16 株式会社ニコン 位置計測装置及び位置計測方法、移動体駆動システム及び移動体駆動方法、パターン形成装置及びパターン形成方法、露光装置及び露光方法、並びにデバイス製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58132892A (ja) * 1982-01-30 1983-08-08 株式会社ニコン 光電式エンコ−ダ装置

Also Published As

Publication number Publication date
JPS6033013A (ja) 1985-02-20

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