JPS5978532U - ダブルビ−ム光学ヘツド - Google Patents

ダブルビ−ム光学ヘツド

Info

Publication number
JPS5978532U
JPS5978532U JP17458282U JP17458282U JPS5978532U JP S5978532 U JPS5978532 U JP S5978532U JP 17458282 U JP17458282 U JP 17458282U JP 17458282 U JP17458282 U JP 17458282U JP S5978532 U JPS5978532 U JP S5978532U
Authority
JP
Japan
Prior art keywords
light
degrees
projection surface
reflecting plate
emitted light
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
JP17458282U
Other languages
English (en)
Japanese (ja)
Other versions
JPS637952Y2 (enrdf_load_stackoverflow
Inventor
正隆 伊藤
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP17458282U priority Critical patent/JPS5978532U/ja
Publication of JPS5978532U publication Critical patent/JPS5978532U/ja
Application granted granted Critical
Publication of JPS637952Y2 publication Critical patent/JPS637952Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP17458282U 1982-11-18 1982-11-18 ダブルビ−ム光学ヘツド Granted JPS5978532U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17458282U JPS5978532U (ja) 1982-11-18 1982-11-18 ダブルビ−ム光学ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17458282U JPS5978532U (ja) 1982-11-18 1982-11-18 ダブルビ−ム光学ヘツド

Publications (2)

Publication Number Publication Date
JPS5978532U true JPS5978532U (ja) 1984-05-28
JPS637952Y2 JPS637952Y2 (enrdf_load_stackoverflow) 1988-03-09

Family

ID=30380033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17458282U Granted JPS5978532U (ja) 1982-11-18 1982-11-18 ダブルビ−ム光学ヘツド

Country Status (1)

Country Link
JP (1) JPS5978532U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007026460A1 (ja) * 2005-08-31 2007-03-08 Mitsumi Electric Co., Ltd. 光ピックアップ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007026460A1 (ja) * 2005-08-31 2007-03-08 Mitsumi Electric Co., Ltd. 光ピックアップ装置

Also Published As

Publication number Publication date
JPS637952Y2 (enrdf_load_stackoverflow) 1988-03-09

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