JPH01140624U - - Google Patents

Info

Publication number
JPH01140624U
JPH01140624U JP3708688U JP3708688U JPH01140624U JP H01140624 U JPH01140624 U JP H01140624U JP 3708688 U JP3708688 U JP 3708688U JP 3708688 U JP3708688 U JP 3708688U JP H01140624 U JPH01140624 U JP H01140624U
Authority
JP
Japan
Prior art keywords
pattern
optical axis
photodetector
metal substrate
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.)
Granted
Application number
JP3708688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH079211Y2 (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 JP3708688U priority Critical patent/JPH079211Y2/ja
Publication of JPH01140624U publication Critical patent/JPH01140624U/ja
Application granted granted Critical
Publication of JPH079211Y2 publication Critical patent/JPH079211Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP3708688U 1988-03-23 1988-03-23 光学式ピックアップ装置 Expired - Lifetime JPH079211Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3708688U JPH079211Y2 (ja) 1988-03-23 1988-03-23 光学式ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3708688U JPH079211Y2 (ja) 1988-03-23 1988-03-23 光学式ピックアップ装置

Publications (2)

Publication Number Publication Date
JPH01140624U true JPH01140624U (2) 1989-09-26
JPH079211Y2 JPH079211Y2 (ja) 1995-03-06

Family

ID=31263666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3708688U Expired - Lifetime JPH079211Y2 (ja) 1988-03-23 1988-03-23 光学式ピックアップ装置

Country Status (1)

Country Link
JP (1) JPH079211Y2 (2)

Also Published As

Publication number Publication date
JPH079211Y2 (ja) 1995-03-06

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