JPH0376313U - - Google Patents
Info
- Publication number
- JPH0376313U JPH0376313U JP13606889U JP13606889U JPH0376313U JP H0376313 U JPH0376313 U JP H0376313U JP 13606889 U JP13606889 U JP 13606889U JP 13606889 U JP13606889 U JP 13606889U JP H0376313 U JPH0376313 U JP H0376313U
- Authority
- JP
- Japan
- Prior art keywords
- light
- diffusing plate
- lighting device
- light source
- light diffusing
- 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
Links
- 238000002834 transmittance Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
Description
第１図は本考案の実施例を示す配置図、第２図
は従来の照明装置を示す配置図、第３図は従来例
を問題点を説明するための放射照度分布を示す図
である。
１…ＣＣＤカメラ、３…点もしくは球光源、１
０…光拡散板、１１〜１４…光拡散板片。
FIG. 1 is a layout diagram showing an embodiment of the present invention, FIG. 2 is a layout diagram showing a conventional lighting device, and FIG. 3 is a diagram showing an irradiance distribution for explaining problems in the conventional example. 1... CCD camera, 3... Point or sphere light source, 1
0...Light diffusion plate, 11-14...Light diffusion plate piece.
Claims (1)
光拡散板を備える照明装置において、上記光拡散
板が、上記光源に対向する部分から周辺部に向つ
て光透過率が高くなる光透過率分布を有している
ことを特徴とする照明装置。 (2) 光拡散板は、面積の異なる複数の光拡散板
片を同心に積層してなることを特徴とする照明装
置。[Claims for Utility Model Registration] (1) In a lighting device comprising a non-planar light source and a light diffusing plate that diffuses light from the light source, the light diffusing plate is directed from a portion facing the light source toward a peripheral portion. A lighting device characterized by having a light transmittance distribution in which the light transmittance increases as the light increases. (2) A lighting device characterized in that the light diffusing plate is formed by concentrically laminating a plurality of light diffusing plate pieces having different areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606889U JPH0376313U (en) | 1989-11-27 | 1989-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13606889U JPH0376313U (en) | 1989-11-27 | 1989-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376313U true JPH0376313U (en) | 1991-07-31 |
Family
ID=31683298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13606889U Pending JPH0376313U (en) | 1989-11-27 | 1989-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163948A (en) * | 2005-12-15 | 2007-06-28 | Omron Entertainment Kk | Photographing editing method and apparatus therefor |
| JP2007212726A (en) * | 2006-02-09 | 2007-08-23 | Furyu Kk | Photographing/editing method and its apparatus |
-
1989
- 1989-11-27 JP JP13606889U patent/JPH0376313U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163948A (en) * | 2005-12-15 | 2007-06-28 | Omron Entertainment Kk | Photographing editing method and apparatus therefor |
| JP4640156B2 (en) * | 2005-12-15 | 2011-03-02 | フリュー株式会社 | Photography editing method and apparatus |
| JP2007212726A (en) * | 2006-02-09 | 2007-08-23 | Furyu Kk | Photographing/editing method and its apparatus |