JPH0310321U - - Google Patents

Info

Publication number
JPH0310321U
JPH0310321U JP6949989U JP6949989U JPH0310321U JP H0310321 U JPH0310321 U JP H0310321U JP 6949989 U JP6949989 U JP 6949989U JP 6949989 U JP6949989 U JP 6949989U JP H0310321 U JPH0310321 U JP H0310321U
Authority
JP
Japan
Prior art keywords
laser beam
optical
incident
objective lens
laser
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
JP6949989U
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 JP6949989U priority Critical patent/JPH0310321U/ja
Publication of JPH0310321U publication Critical patent/JPH0310321U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP6949989U 1989-06-13 1989-06-13 Pending JPH0310321U (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6949989U JPH0310321U (ko) 1989-06-13 1989-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6949989U JPH0310321U (ko) 1989-06-13 1989-06-13

Publications (1)

Publication Number Publication Date
JPH0310321U true JPH0310321U (ko) 1991-01-31

Family

ID=31604855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6949989U Pending JPH0310321U (ko) 1989-06-13 1989-06-13

Country Status (1)

Country Link
JP (1) JPH0310321U (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027709A (ja) * 2001-07-18 2003-01-29 Nichiha Corp 窯業系外壁板及びその施工構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027709A (ja) * 2001-07-18 2003-01-29 Nichiha Corp 窯業系外壁板及びその施工構造

Similar Documents

Publication Publication Date Title
JPS62250528A (ja) 半導体レ−ザ装置
KR100295102B1 (ko) 광픽업
JPH0310321U (ko)
JPH0513334B2 (ko)
US7065009B1 (en) Optical information storage apparatus and optical device including a beam splitting surface with a convex surface side and a concave surface side
JPH02311816A (ja) ビーム変換装置
JP2990891B2 (ja) 変位情報検出装置及び速度計
JP2584739B2 (ja) 焦点検出装置
KR100684340B1 (ko) 폴카 도트 빔 스플리터를 포함하는 광 픽업 장치
JPS63191328A (ja) 光ヘツド装置
JP2541052Y2 (ja) 光学ヘッド
JP2857245B2 (ja) 光ピックアップ装置
JPH0445320U (ko)
JPS61287042A (ja) 光学式ピツクアツプ装置
JPH0352132A (ja) 光ヘッド
JPS6239218U (ko)
JPH0246535A (ja) 光ピックアップ装置
JPH02308294A (ja) ホログラム素子
JPH02101641A (ja) 光ヘッド装置
JPS639305B2 (ko)
JPH0917012A (ja) 光ピックアップ
JPS6412222U (ko)
JPH0276325U (ko)
JPS6239219U (ko)
JPS63166032A (ja) 光ピツクアツプ