JPH0648574Y2 - 光ピックアップ検査装置 - Google Patents

光ピックアップ検査装置

Info

Publication number
JPH0648574Y2
JPH0648574Y2 JP12896188U JP12896188U JPH0648574Y2 JP H0648574 Y2 JPH0648574 Y2 JP H0648574Y2 JP 12896188 U JP12896188 U JP 12896188U JP 12896188 U JP12896188 U JP 12896188U JP H0648574 Y2 JPH0648574 Y2 JP H0648574Y2
Authority
JP
Japan
Prior art keywords
objective lens
optical pickup
inspection device
light
small hole
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.)
Expired - Lifetime
Application number
JP12896188U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0250823U (US06272168-20010807-M00014.png
Inventor
彰 大矢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP12896188U priority Critical patent/JPH0648574Y2/ja
Publication of JPH0250823U publication Critical patent/JPH0250823U/ja
Application granted granted Critical
Publication of JPH0648574Y2 publication Critical patent/JPH0648574Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Head (AREA)
JP12896188U 1988-09-30 1988-09-30 光ピックアップ検査装置 Expired - Lifetime JPH0648574Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12896188U JPH0648574Y2 (ja) 1988-09-30 1988-09-30 光ピックアップ検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12896188U JPH0648574Y2 (ja) 1988-09-30 1988-09-30 光ピックアップ検査装置

Publications (2)

Publication Number Publication Date
JPH0250823U JPH0250823U (US06272168-20010807-M00014.png) 1990-04-10
JPH0648574Y2 true JPH0648574Y2 (ja) 1994-12-12

Family

ID=31382787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12896188U Expired - Lifetime JPH0648574Y2 (ja) 1988-09-30 1988-09-30 光ピックアップ検査装置

Country Status (1)

Country Link
JP (1) JPH0648574Y2 (US06272168-20010807-M00014.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5153582B2 (ja) * 2008-02-20 2013-02-27 三洋電機株式会社 対物レンズ駆動装置の検査方法、検査装置
WO2011158920A1 (ja) * 2010-06-16 2011-12-22 三洋電機株式会社 対物レンズ駆動装置の検査方法

Also Published As

Publication number Publication date
JPH0250823U (US06272168-20010807-M00014.png) 1990-04-10

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