JPS6331290Y2 - - Google Patents
Info
- Publication number
- JPS6331290Y2 JPS6331290Y2 JP1983204288U JP20428883U JPS6331290Y2 JP S6331290 Y2 JPS6331290 Y2 JP S6331290Y2 JP 1983204288 U JP1983204288 U JP 1983204288U JP 20428883 U JP20428883 U JP 20428883U JP S6331290 Y2 JPS6331290 Y2 JP S6331290Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- aperture
- convex lens
- diffuser plate
- periphery
- 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
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 description 6
- 239000005338 frosted glass Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20428883U JPS60112010U (ja) | 1983-12-29 | 1983-12-29 | 拡散板を備えたスポツトライト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20428883U JPS60112010U (ja) | 1983-12-29 | 1983-12-29 | 拡散板を備えたスポツトライト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112010U JPS60112010U (ja) | 1985-07-29 |
| JPS6331290Y2 true JPS6331290Y2 (sk) | 1988-08-22 |
Family
ID=30766691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20428883U Granted JPS60112010U (ja) | 1983-12-29 | 1983-12-29 | 拡散板を備えたスポツトライト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112010U (sk) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5129639B2 (ja) * | 2008-04-04 | 2013-01-30 | パナソニック株式会社 | 照明器具 |
| EP2443382B1 (en) * | 2009-06-16 | 2016-03-30 | Koninklijke Philips N.V. | Illumination system for spot illumination |
| JP5607471B2 (ja) * | 2010-09-15 | 2014-10-15 | 三菱電機株式会社 | 光源装置及び電球型照明装置 |
-
1983
- 1983-12-29 JP JP20428883U patent/JPS60112010U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60112010U (ja) | 1985-07-29 |
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