JPS63138625U - - Google Patents

Info

Publication number
JPS63138625U
JPS63138625U JP3151287U JP3151287U JPS63138625U JP S63138625 U JPS63138625 U JP S63138625U JP 3151287 U JP3151287 U JP 3151287U JP 3151287 U JP3151287 U JP 3151287U JP S63138625 U JPS63138625 U JP S63138625U
Authority
JP
Japan
Prior art keywords
light beam
light
spot
light source
optical system
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
JP3151287U
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 JP3151287U priority Critical patent/JPS63138625U/ja
Publication of JPS63138625U publication Critical patent/JPS63138625U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP3151287U 1987-03-04 1987-03-04 Pending JPS63138625U (US06605200-20030812-C00035.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3151287U JPS63138625U (US06605200-20030812-C00035.png) 1987-03-04 1987-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3151287U JPS63138625U (US06605200-20030812-C00035.png) 1987-03-04 1987-03-04

Publications (1)

Publication Number Publication Date
JPS63138625U true JPS63138625U (US06605200-20030812-C00035.png) 1988-09-13

Family

ID=30837318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3151287U Pending JPS63138625U (US06605200-20030812-C00035.png) 1987-03-04 1987-03-04

Country Status (1)

Country Link
JP (1) JPS63138625U (US06605200-20030812-C00035.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045383A1 (en) * 1999-01-27 2000-08-03 Matsushita Electric Industrial Co., Ltd. Optical head
WO2006087843A1 (ja) * 2005-02-15 2006-08-24 Matsushita Electric Industrial Co., Ltd. 光ピックアップ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045383A1 (en) * 1999-01-27 2000-08-03 Matsushita Electric Industrial Co., Ltd. Optical head
WO2006087843A1 (ja) * 2005-02-15 2006-08-24 Matsushita Electric Industrial Co., Ltd. 光ピックアップ

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