JPS641407U - - Google Patents
Info
- Publication number
- JPS641407U JPS641407U JP9671787U JP9671787U JPS641407U JP S641407 U JPS641407 U JP S641407U JP 9671787 U JP9671787 U JP 9671787U JP 9671787 U JP9671787 U JP 9671787U JP S641407 U JPS641407 U JP S641407U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- viewed
- view
- optical axis
- biconvex lens
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lenses (AREA)
Description
第１図は本考案に係るレンズの正面図、第２，
３図は同じく平面図と側面図、第４，５図は第１
図のＸ―Ｘ線とＹ―Ｙ線に沿う各断面図、第６，
７図は照明器具への取付使用状態を示す正面図と
一部破断の側面図、第８，９図はそのレンズの投
光作用を説明するための平面図と側面図である。
Ａ……照明用レンズ、Ｘ―Ｘ……水平な直径線
、Ｙ―Ｙ……垂直な直径線（光軸）、１０……輪
郭稜線、１３……光源ランプ、２０……投影図。
Fig. 1 is a front view of the lens according to the present invention;
Figure 3 is the same plan view and side view, Figures 4 and 5 are the 1st
Each cross-sectional view along the X-X line and the Y-Y line in the figure, No. 6,
FIG. 7 is a front view and a partially cutaway side view showing the state in which the lens is attached to a lighting fixture, and FIGS. 8 and 9 are a plan view and a side view for explaining the light projection action of the lens. A...Lens for illumination, X--X...Horizontal diameter line, Y-Y...Vertical diameter line (optical axis), 10...Contour ridge line, 13...Light source lamp, 20...Projection view.
Claims (1)
０を、平・底面から見た時に両凸レンズ形態とし
て、且つ両側面から見た時に両凹レンズ形態とし
て各々表出させると共に、上記両凸レンズ形態の
光軸Ｙ―Ｙ上にて切断した時の断面形状を、長方
形に定めて成る照明用レンズ。 Outline ridge line 1 of lens A, which is circular when viewed from the front
0 is expressed as a biconvex lens when viewed from the flat/bottom surface, and as a biconcave lens when viewed from both sides, and a cross section taken along the optical axis YY of the biconvex lens. A lighting lens with a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9671787U JPH028337Y2 (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9671787U JPH028337Y2 (en) | 1987-06-24 | 1987-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS641407U true JPS641407U (en) | 1989-01-06 |
| JPH028337Y2 JPH028337Y2 (en) | 1990-02-28 |
Family
ID=30962770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9671787U Expired JPH028337Y2 (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028337Y2 (en) |
-
1987
- 1987-06-24 JP JP9671787U patent/JPH028337Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028337Y2 (en) | 1990-02-28 |