JPH0142886Y2 - - Google Patents

Info

Publication number
JPH0142886Y2
JPH0142886Y2 JP1980105047U JP10504780U JPH0142886Y2 JP H0142886 Y2 JPH0142886 Y2 JP H0142886Y2 JP 1980105047 U JP1980105047 U JP 1980105047U JP 10504780 U JP10504780 U JP 10504780U JP H0142886 Y2 JPH0142886 Y2 JP H0142886Y2
Authority
JP
Japan
Prior art keywords
light
transparent
semi
lighting
sunlight
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.)
Expired
Application number
JP1980105047U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5729003U (en]
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 JP1980105047U priority Critical patent/JPH0142886Y2/ja
Publication of JPS5729003U publication Critical patent/JPS5729003U/ja
Application granted granted Critical
Publication of JPH0142886Y2 publication Critical patent/JPH0142886Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
JP1980105047U 1980-07-24 1980-07-24 Expired JPH0142886Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980105047U JPH0142886Y2 (en]) 1980-07-24 1980-07-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980105047U JPH0142886Y2 (en]) 1980-07-24 1980-07-24

Publications (2)

Publication Number Publication Date
JPS5729003U JPS5729003U (en]) 1982-02-16
JPH0142886Y2 true JPH0142886Y2 (en]) 1989-12-14

Family

ID=29466430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980105047U Expired JPH0142886Y2 (en]) 1980-07-24 1980-07-24

Country Status (1)

Country Link
JP (1) JPH0142886Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615579A (en) * 1983-08-29 1986-10-07 Canadian Patents & Development Ltd. Prism light guide luminaire
JP5264808B2 (ja) * 2010-03-10 2013-08-14 株式会社栗原工業 エコ照明体及びエコ照明体を利用したエコ照明装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517846U (en]) * 1974-07-04 1976-01-21
JPS5215339A (en) * 1975-07-26 1977-02-04 Yuji Nakajima Method to introduce sunshine at places where the sun does not shine
JPS54160080A (en) * 1978-06-07 1979-12-18 Takashi Mori Photoelectric lamp illumination system
JPS6055007B2 (ja) * 1978-07-04 1985-12-03 富士通株式会社 赤外線検知装置

Also Published As

Publication number Publication date
JPS5729003U (en]) 1982-02-16

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