JPS61171002U - - Google Patents
Info
- Publication number
- JPS61171002U JPS61171002U JP5526585U JP5526585U JPS61171002U JP S61171002 U JPS61171002 U JP S61171002U JP 5526585 U JP5526585 U JP 5526585U JP 5526585 U JP5526585 U JP 5526585U JP S61171002 U JPS61171002 U JP S61171002U
- Authority
- JP
- Japan
- Prior art keywords
- boundary plane
- reflective surface
- optical axis
- prism
- cylindrical convex
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
第１図は本考案実施例の全体を示す斜視図、第
２図はその実施例の平面図と光路を併記した図、
第３図は本考案の他の実施例の平面図と光路を併
記した図、第４図は本考案の使用例を示す斜視図
である。
１０…光軸、１１，１２…第一の境界平面（入
射面）、１３，１４…反射面、１５，１６…反射
面、１７…第二の境界平面（放射面）、１８…シ
リンドリカル反射面、２０…空間部。
Fig. 1 is a perspective view showing the entire embodiment of the present invention, Fig. 2 is a plan view of the embodiment and a diagram showing the optical path,
FIG. 3 is a plan view and an optical path of another embodiment of the present invention, and FIG. 4 is a perspective view showing an example of use of the present invention. DESCRIPTION OF SYMBOLS 10... Optical axis, 11, 12... First boundary plane (incidence surface), 13, 14... Reflection surface, 15, 16... Reflection surface, 17... Second boundary plane (radiation surface), 18... Cylindrical reflection surface , 20...Space part.
Claims (1)
面と、その第一の境界平面よりも前方にあつて上
記光軸の方向と垂直な第二の境界平面と、その第
二の境界平面の後方に設けられたシリンドリカル
凸反射面と、上記第一の境界平面の入射光を上記
シリンドリカル凸反射面へ導く反射面を備えたこ
とを特徴とする一方向拡散用プリズム。 a first boundary plane having a predetermined angle with respect to the incident optical axis; a second boundary plane located in front of the first boundary plane and perpendicular to the direction of the optical axis; and the second boundary plane. A unidirectional diffusing prism comprising: a cylindrical convex reflective surface provided at the rear of the prism; and a reflective surface that guides incident light on the first boundary plane to the cylindrical convex reflective surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5526585U JPS61171002U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5526585U JPS61171002U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171002U true JPS61171002U (en) | 1986-10-23 |
Family
ID=30577777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5526585U Pending JPS61171002U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171002U (en) |
-
1985
- 1985-04-12 JP JP5526585U patent/JPS61171002U/ja active Pending
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