JPS6442513U - - Google Patents

Info

Publication number
JPS6442513U
JPS6442513U JP13398587U JP13398587U JPS6442513U JP S6442513 U JPS6442513 U JP S6442513U JP 13398587 U JP13398587 U JP 13398587U JP 13398587 U JP13398587 U JP 13398587U JP S6442513 U JPS6442513 U JP S6442513U
Authority
JP
Japan
Prior art keywords
focus
signal
section
offset adjustment
focus error
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.)
Granted
Application number
JP13398587U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0516651Y2 (en:Method
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 JP1987133985U priority Critical patent/JPH0516651Y2/ja
Publication of JPS6442513U publication Critical patent/JPS6442513U/ja
Application granted granted Critical
Publication of JPH0516651Y2 publication Critical patent/JPH0516651Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP1987133985U 1987-09-03 1987-09-03 Expired - Lifetime JPH0516651Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987133985U JPH0516651Y2 (en:Method) 1987-09-03 1987-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987133985U JPH0516651Y2 (en:Method) 1987-09-03 1987-09-03

Publications (2)

Publication Number Publication Date
JPS6442513U true JPS6442513U (en:Method) 1989-03-14
JPH0516651Y2 JPH0516651Y2 (en:Method) 1993-05-06

Family

ID=31392352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987133985U Expired - Lifetime JPH0516651Y2 (en:Method) 1987-09-03 1987-09-03

Country Status (1)

Country Link
JP (1) JPH0516651Y2 (en:Method)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919246A (ja) * 1982-07-24 1984-01-31 Pioneer Electronic Corp 光学式情報読取装置におけるフオ−カスサ−ボ引込装置
JPS62264439A (ja) * 1986-05-09 1987-11-17 Sanyo Electric Co Ltd フオ−カス制御装置
JPS63100621A (ja) * 1986-10-16 1988-05-02 Rohm Co Ltd 光デイスク再生装置のフオ−カスサ−ボ回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919246A (ja) * 1982-07-24 1984-01-31 Pioneer Electronic Corp 光学式情報読取装置におけるフオ−カスサ−ボ引込装置
JPS62264439A (ja) * 1986-05-09 1987-11-17 Sanyo Electric Co Ltd フオ−カス制御装置
JPS63100621A (ja) * 1986-10-16 1988-05-02 Rohm Co Ltd 光デイスク再生装置のフオ−カスサ−ボ回路

Also Published As

Publication number Publication date
JPH0516651Y2 (en:Method) 1993-05-06

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