JPS63105921U - - Google Patents

Info

Publication number
JPS63105921U
JPS63105921U JP20091886U JP20091886U JPS63105921U JP S63105921 U JPS63105921 U JP S63105921U JP 20091886 U JP20091886 U JP 20091886U JP 20091886 U JP20091886 U JP 20091886U JP S63105921 U JPS63105921 U JP S63105921U
Authority
JP
Japan
Prior art keywords
detection means
focus
level
deviation amount
servo circuit
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
JP20091886U
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 JP20091886U priority Critical patent/JPS63105921U/ja
Publication of JPS63105921U publication Critical patent/JPS63105921U/ja
Pending legal-status Critical Current

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  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP20091886U 1986-12-27 1986-12-27 Pending JPS63105921U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20091886U JPS63105921U (enrdf_load_stackoverflow) 1986-12-27 1986-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20091886U JPS63105921U (enrdf_load_stackoverflow) 1986-12-27 1986-12-27

Publications (1)

Publication Number Publication Date
JPS63105921U true JPS63105921U (enrdf_load_stackoverflow) 1988-07-08

Family

ID=31163885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20091886U Pending JPS63105921U (enrdf_load_stackoverflow) 1986-12-27 1986-12-27

Country Status (1)

Country Link
JP (1) JPS63105921U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486223U (enrdf_load_stackoverflow) * 1990-11-30 1992-07-27

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175936A (ja) * 1985-01-29 1986-08-07 Nec Corp 光学式情報記録装置におけるフオーカスサーボ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175936A (ja) * 1985-01-29 1986-08-07 Nec Corp 光学式情報記録装置におけるフオーカスサーボ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486223U (enrdf_load_stackoverflow) * 1990-11-30 1992-07-27

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