JPS63150416U - - Google Patents
Info
- Publication number
- JPS63150416U JPS63150416U JP4366787U JP4366787U JPS63150416U JP S63150416 U JPS63150416 U JP S63150416U JP 4366787 U JP4366787 U JP 4366787U JP 4366787 U JP4366787 U JP 4366787U JP S63150416 U JPS63150416 U JP S63150416U
- Authority
- JP
- Japan
- Prior art keywords
- prism
- film body
- prism portion
- film
- light source
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
第1図はこの考案の第一の実施例を示す斜視図
、第2図はプリズムフイルムの一部を拡大した斜
視図、第3図は光の全反射領域を示すグラフ、第
4図はこの考案の第二の実施例を示す斜視図であ
る。
1……筒状フイルム体、2……プリズムフイル
ム、4……プリズム体、7……被照射体、8……
反射板、9……ランプ(光源)。
Fig. 1 is a perspective view showing the first embodiment of this invention, Fig. 2 is an enlarged perspective view of a part of the prism film, Fig. 3 is a graph showing the total reflection area of light, and Fig. 4 is a perspective view of the prism film. FIG. 3 is a perspective view showing a second embodiment of the invention. 1... Cylindrical film body, 2... Prism film, 4... Prism body, 7... Irradiated object, 8...
Reflector, 9... Lamp (light source).
Claims (1)
ズム部を軸方向に沿わせて形成しかつ前記プリズ
ム部を外面に位置させたプリズムフイルムにより
端部開放の筒状フイルム体を形成し、この筒状フ
イルム体の端部に光源を内包する反射板を設けた
ことを特徴とする照明装置。 A cylindrical film body with an open end is formed by a prism film that is positioned around the irradiated object and has a prism portion formed along the axial direction on one surface, and the prism portion is positioned on the outer surface. A lighting device characterized in that a reflector containing a light source is provided at an end of a film body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4366787U JPS63150416U (en) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4366787U JPS63150416U (en) | 1987-03-25 | 1987-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63150416U true JPS63150416U (en) | 1988-10-04 |
Family
ID=30860742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4366787U Pending JPS63150416U (en) | 1987-03-25 | 1987-03-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63150416U (en) |
-
1987
- 1987-03-25 JP JP4366787U patent/JPS63150416U/ja active Pending