JPH01113826U - - Google Patents

Info

Publication number
JPH01113826U
JPH01113826U JP760988U JP760988U JPH01113826U JP H01113826 U JPH01113826 U JP H01113826U JP 760988 U JP760988 U JP 760988U JP 760988 U JP760988 U JP 760988U JP H01113826 U JPH01113826 U JP H01113826U
Authority
JP
Japan
Prior art keywords
tracking error
recording medium
light beam
tracking
control device
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.)
Pending
Application number
JP760988U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP760988U priority Critical patent/JPH01113826U/ja
Publication of JPH01113826U publication Critical patent/JPH01113826U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP760988U 1988-01-26 1988-01-26 Pending JPH01113826U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP760988U JPH01113826U (en]) 1988-01-26 1988-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP760988U JPH01113826U (en]) 1988-01-26 1988-01-26

Publications (1)

Publication Number Publication Date
JPH01113826U true JPH01113826U (en]) 1989-07-31

Family

ID=31212762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP760988U Pending JPH01113826U (en]) 1988-01-26 1988-01-26

Country Status (1)

Country Link
JP (1) JPH01113826U (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57181433A (en) * 1981-04-22 1982-11-08 Olympus Optical Co Ltd Tracking system for optical disc reproducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57181433A (en) * 1981-04-22 1982-11-08 Olympus Optical Co Ltd Tracking system for optical disc reproducer

Similar Documents

Publication Publication Date Title
US4751695A (en) Method and apparatus for tracking servo system
JPH0123859B2 (en])
JPH0118504B2 (en])
JPH0546621B2 (en])
JPH0330121A (ja) 放射線感応層を有する記録担体に情報を記録する装置
US5168487A (en) Optical recording and/or reproducing apparatus
EP0392775A3 (en) A detrack detecting system in an optical recording/reproducing apparatus
JPS6143770B2 (en])
US4712206A (en) Tracking error signal detecting device with a two-beam system for use in an optical information memory
JPH01113826U (en])
EP0347081A3 (en) Optical head devices for use in recording and/or reproduction of information
JP2693608B2 (ja) 情報記録ディスク演奏装置
JPH0359508B2 (en])
JP2542077Y2 (ja) 情報記録再生装置
JPH0252348B2 (en])
JP2607360B2 (ja) ３ビーム方式光ピツクアツプ装置
JPH0352819U (en])
JPS60169723U (ja) 光学式デイスクプレ−ヤ
SU1631600A2 (ru) Устройство дл слежени за информационной дорожкой носител оптической записи
JP2510411B2 (ja) フオ−カスサ−ボ装置
JPS60132620U (ja) 光学記録再生装置のビ−ム位置調整装置
JPH02118919A (ja) 光ディスク装置
JPS6353617B2 (en])
JPH0226126U (en])
JPH07105058B2 (ja) 光学的情報記録再生装置