JPS6347302U - - Google Patents

Info

Publication number
JPS6347302U
JPS6347302U JP1986140745U JP14074586U JPS6347302U JP S6347302 U JPS6347302 U JP S6347302U JP 1986140745 U JP1986140745 U JP 1986140745U JP 14074586 U JP14074586 U JP 14074586U JP S6347302 U JPS6347302 U JP S6347302U
Authority
JP
Japan
Prior art keywords
lens
axis
sin
distance
fresnel
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
JP1986140745U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0643922Y2 (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 JP1986140745U priority Critical patent/JPH0643922Y2/ja
Publication of JPS6347302U publication Critical patent/JPS6347302U/ja
Application granted granted Critical
Publication of JPH0643922Y2 publication Critical patent/JPH0643922Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1986140745U 1986-09-13 1986-09-13 スポツトライト用フレネルレンズ Expired - Lifetime JPH0643922Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986140745U JPH0643922Y2 (ja) 1986-09-13 1986-09-13 スポツトライト用フレネルレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986140745U JPH0643922Y2 (ja) 1986-09-13 1986-09-13 スポツトライト用フレネルレンズ

Publications (2)

Publication Number Publication Date
JPS6347302U true JPS6347302U (en]) 1988-03-31
JPH0643922Y2 JPH0643922Y2 (ja) 1994-11-14

Family

ID=31047885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986140745U Expired - Lifetime JPH0643922Y2 (ja) 1986-09-13 1986-09-13 スポツトライト用フレネルレンズ

Country Status (1)

Country Link
JP (1) JPH0643922Y2 (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004006912A (ja) * 2003-06-09 2004-01-08 Rabo Sufia Kk 光学媒体
JP2008153612A (ja) * 2006-12-13 2008-07-03 Samsung Electro Mech Co Ltd 発光ダイオードパッケージ及びその製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004006912A (ja) * 2003-06-09 2004-01-08 Rabo Sufia Kk 光学媒体
JP2008153612A (ja) * 2006-12-13 2008-07-03 Samsung Electro Mech Co Ltd 発光ダイオードパッケージ及びその製造方法
US8368097B2 (en) 2006-12-13 2013-02-05 Samsung Electronics Co., Ltd. Light emitting diode package and method of manufacturing the same

Also Published As

Publication number Publication date
JPH0643922Y2 (ja) 1994-11-14

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