JPH01138214U - - Google Patents

Info

Publication number
JPH01138214U
JPH01138214U JP3268588U JP3268588U JPH01138214U JP H01138214 U JPH01138214 U JP H01138214U JP 3268588 U JP3268588 U JP 3268588U JP 3268588 U JP3268588 U JP 3268588U JP H01138214 U JPH01138214 U JP H01138214U
Authority
JP
Japan
Prior art keywords
error signal
tracking error
recording medium
driving means
optical system
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
JP3268588U
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 JP3268588U priority Critical patent/JPH01138214U/ja
Publication of JPH01138214U publication Critical patent/JPH01138214U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP3268588U 1988-03-11 1988-03-11 Pending JPH01138214U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3268588U JPH01138214U (OSRAM) 1988-03-11 1988-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3268588U JPH01138214U (OSRAM) 1988-03-11 1988-03-11

Publications (1)

Publication Number Publication Date
JPH01138214U true JPH01138214U (OSRAM) 1989-09-21

Family

ID=31259237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3268588U Pending JPH01138214U (OSRAM) 1988-03-11 1988-03-11

Country Status (1)

Country Link
JP (1) JPH01138214U (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012164403A (ja) * 2011-02-08 2012-08-30 Nhk Spring Co Ltd 磁気ディスク装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845666A (ja) * 1981-09-07 1983-03-16 Sony Corp デイスク再生装置のサ−ボ回路
JPS5977636A (ja) * 1982-10-25 1984-05-04 Nippon Gakki Seizo Kk デイスク再生装置におけるピツクアツプの制御装置
JPS61182639A (ja) * 1985-02-08 1986-08-15 Hitachi Ltd 光学式記録再生装置のトラツキング制御回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845666A (ja) * 1981-09-07 1983-03-16 Sony Corp デイスク再生装置のサ−ボ回路
JPS5977636A (ja) * 1982-10-25 1984-05-04 Nippon Gakki Seizo Kk デイスク再生装置におけるピツクアツプの制御装置
JPS61182639A (ja) * 1985-02-08 1986-08-15 Hitachi Ltd 光学式記録再生装置のトラツキング制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012164403A (ja) * 2011-02-08 2012-08-30 Nhk Spring Co Ltd 磁気ディスク装置

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