JPS638023Y2 - - Google Patents
Info
- Publication number
- JPS638023Y2 JPS638023Y2 JP18651884U JP18651884U JPS638023Y2 JP S638023 Y2 JPS638023 Y2 JP S638023Y2 JP 18651884 U JP18651884 U JP 18651884U JP 18651884 U JP18651884 U JP 18651884U JP S638023 Y2 JPS638023 Y2 JP S638023Y2
- Authority
- JP
- Japan
- Prior art keywords
- prism
- shape
- cross
- light distribution
- recess
- 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
Links
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18651884U JPS638023Y2 (ru) | 1984-12-08 | 1984-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18651884U JPS638023Y2 (ru) | 1984-12-08 | 1984-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61100816U JPS61100816U (ru) | 1986-06-27 |
| JPS638023Y2 true JPS638023Y2 (ru) | 1988-03-09 |
Family
ID=30743981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18651884U Expired JPS638023Y2 (ru) | 1984-12-08 | 1984-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS638023Y2 (ru) |
-
1984
- 1984-12-08 JP JP18651884U patent/JPS638023Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61100816U (ru) | 1986-06-27 |
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