JPH03102113U - - Google Patents

Info

Publication number
JPH03102113U
JPH03102113U JP843090U JP843090U JPH03102113U JP H03102113 U JPH03102113 U JP H03102113U JP 843090 U JP843090 U JP 843090U JP 843090 U JP843090 U JP 843090U JP H03102113 U JPH03102113 U JP H03102113U
Authority
JP
Japan
Prior art keywords
light
information recording
optical information
optical
recording medium
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
JP843090U
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 JP843090U priority Critical patent/JPH03102113U/ja
Publication of JPH03102113U publication Critical patent/JPH03102113U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP843090U 1990-01-31 1990-01-31 Pending JPH03102113U (un)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP843090U JPH03102113U (un) 1990-01-31 1990-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP843090U JPH03102113U (un) 1990-01-31 1990-01-31

Publications (1)

Publication Number Publication Date
JPH03102113U true JPH03102113U (un) 1991-10-24

Family

ID=31512061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP843090U Pending JPH03102113U (un) 1990-01-31 1990-01-31

Country Status (1)

Country Link
JP (1) JPH03102113U (un)

Similar Documents

Publication Publication Date Title
EP0379363A3 (en) Optical head device for use in optical disk system
JPS6391819U (un)
JPH03102113U (un)
JPS5982337U (ja) 光学式ピツクアツプ
JPH0630162B2 (ja) スポツト位置エラ−検出系
JPH0731373Y2 (ja) 光学式ピツクアツプ装置
JPH02140625U (un)
JPH05120722A (ja) 光ヘツドの信号受光方法
JPH0461636A (ja) 光学ヘッド
JPH0519853Y2 (un)
JPH0281330A (ja) 光記録再生装置
JPH082814Y2 (ja) 光学式ピツクアツプ装置
JPS6431513U (un)
JPS6313415U (un)
JPS59157223U (ja) 光ピツクアツプ装置
JPH0296619U (un)
JPH0384912U (un)
JPH0197415U (un)
JPH0421930A (ja) 光ピックアップ装置
JPH0197416U (un)
JPH0226129U (un)
JPS60135818U (ja) フオ−カス誤差検出装置
JPS60180325U (ja) フオ−カスエラ−信号検出装置
JPH01154515U (un)
EP0393978A3 (en) Optical information recording-reproducing apparatus