JPS6220484B2 - - Google Patents

Info

Publication number
JPS6220484B2
JPS6220484B2 JP57148618A JP14861882A JPS6220484B2 JP S6220484 B2 JPS6220484 B2 JP S6220484B2 JP 57148618 A JP57148618 A JP 57148618A JP 14861882 A JP14861882 A JP 14861882A JP S6220484 B2 JPS6220484 B2 JP S6220484B2
Authority
JP
Japan
Prior art keywords
tracking
track
signal
mirror
laser
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
Application number
JP57148618A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58122408A (ja
Inventor
Hitoshi Kanamaru
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA 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 PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
Priority to JP14861882A priority Critical patent/JPS58122408A/ja
Publication of JPS58122408A publication Critical patent/JPS58122408A/ja
Publication of JPS6220484B2 publication Critical patent/JPS6220484B2/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
    • G11B7/08—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
    • G11B7/0901—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 for track following only

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
JP14861882A 1982-08-27 1982-08-27 追従手段を含む測定装置 Granted JPS58122408A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14861882A JPS58122408A (ja) 1982-08-27 1982-08-27 追従手段を含む測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14861882A JPS58122408A (ja) 1982-08-27 1982-08-27 追従手段を含む測定装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56082827 Division

Publications (2)

Publication Number Publication Date
JPS58122408A JPS58122408A (ja) 1983-07-21
JPS6220484B2 true JPS6220484B2 (enrdf_load_stackoverflow) 1987-05-07

Family

ID=15456806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14861882A Granted JPS58122408A (ja) 1982-08-27 1982-08-27 追従手段を含む測定装置

Country Status (1)

Country Link
JP (1) JPS58122408A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139782U (enrdf_load_stackoverflow) * 1987-03-04 1988-09-14

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009009756A (ja) * 2007-06-26 2009-01-15 Panasonic Electric Works Co Ltd マイクロリレー

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104955A (enrdf_load_stackoverflow) * 1974-01-23 1975-08-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139782U (enrdf_load_stackoverflow) * 1987-03-04 1988-09-14

Also Published As

Publication number Publication date
JPS58122408A (ja) 1983-07-21

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