JPS63101902U - - Google Patents

Info

Publication number
JPS63101902U
JPS63101902U JP20334786U JP20334786U JPS63101902U JP S63101902 U JPS63101902 U JP S63101902U JP 20334786 U JP20334786 U JP 20334786U JP 20334786 U JP20334786 U JP 20334786U JP S63101902 U JPS63101902 U JP S63101902U
Authority
JP
Japan
Prior art keywords
light
fresnel lens
condensing
refractive surfaces
optical axis
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
JP20334786U
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 JP20334786U priority Critical patent/JPS63101902U/ja
Publication of JPS63101902U publication Critical patent/JPS63101902U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
JP20334786U 1986-12-24 1986-12-24 Pending JPS63101902U (US07860544-20101228-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20334786U JPS63101902U (US07860544-20101228-C00003.png) 1986-12-24 1986-12-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20334786U JPS63101902U (US07860544-20101228-C00003.png) 1986-12-24 1986-12-24

Publications (1)

Publication Number Publication Date
JPS63101902U true JPS63101902U (US07860544-20101228-C00003.png) 1988-07-02

Family

ID=31168589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20334786U Pending JPS63101902U (US07860544-20101228-C00003.png) 1986-12-24 1986-12-24

Country Status (1)

Country Link
JP (1) JPS63101902U (US07860544-20101228-C00003.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013092717A (ja) * 2011-10-27 2013-05-16 Nitto Kogaku Kk フレネルレンズおよび照明装置
JP2017037325A (ja) * 2016-10-04 2017-02-16 日東光学株式会社 フレネルレンズおよび照明装置
JP2017040789A (ja) * 2015-08-20 2017-02-23 株式会社タムロン 光学素子、光学系及び光学装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013092717A (ja) * 2011-10-27 2013-05-16 Nitto Kogaku Kk フレネルレンズおよび照明装置
JP2017040789A (ja) * 2015-08-20 2017-02-23 株式会社タムロン 光学素子、光学系及び光学装置
JP2017037325A (ja) * 2016-10-04 2017-02-16 日東光学株式会社 フレネルレンズおよび照明装置

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