JPH0481980U - - Google Patents
Info
- Publication number
- JPH0481980U JPH0481980U JP12509390U JP12509390U JPH0481980U JP H0481980 U JPH0481980 U JP H0481980U JP 12509390 U JP12509390 U JP 12509390U JP 12509390 U JP12509390 U JP 12509390U JP H0481980 U JPH0481980 U JP H0481980U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- convex lens
- shaped convex
- end side
- lighting device
- 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
- 238000005286 illumination Methods 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
第１図は本考案の実施例を示す照明装置の上面
図、第２図はそのスリツト板の配列関係を示す図
、第３図は従来の照明装置の構成を示す斜視図、
第４図は従来の照明装置でフレア光が外部に出射
する様子を示した説明図である。
図中、１はバンドル光フアイバ、２はサークル
ラインコンバータ、３は光源、４は断面半円の棒
状凸レンズ、５はフレア光、６は枠体、７はスリ
ツト板、８はスリツト、９はスリツトと平行な光
線を示す。
FIG. 1 is a top view of a lighting device showing an embodiment of the present invention, FIG. 2 is a view showing the arrangement of the slit plates, and FIG. 3 is a perspective view showing the configuration of a conventional lighting device.
FIG. 4 is an explanatory diagram showing how flare light is emitted to the outside in a conventional illumination device. In the figure, 1 is a bundle optical fiber, 2 is a circle line converter, 3 is a light source, 4 is a rod-shaped convex lens with a semicircular cross section, 5 is a flare light, 6 is a frame, 7 is a slit plate, 8 is a slit, and 9 is a slit. shows a ray parallel to .
Claims (1)
ンバータの円形端側に光源を、ライン端側に断面
半円の棒状凸レンズを配置した照明装置において
、上記棒状凸レンズより出射側に適当な距離だけ
離れた位置に、多数枚のスリツト板を配列して、
平行光束のみ出射させるようにしたことを特徴と
する照明装置。 In an illumination device in which a light source is arranged on the circular end side of a circle line converter made of bundled optical fibers, and a rod-shaped convex lens with a semicircular cross section is arranged on the line end side, a large number of light sources are placed at a position an appropriate distance away from the rod-shaped convex lens on the output side. Arrange the slit plates,
A lighting device characterized by emitting only parallel light beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12509390U JPH0481980U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12509390U JPH0481980U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481980U true JPH0481980U (en) | 1992-07-16 |
Family
ID=31872713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12509390U Pending JPH0481980U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481980U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260805A (en) * | 1984-06-07 | 1985-12-24 | Dainippon Printing Co Ltd | Defect detector for printed matter |
| JPS6128033A (en) * | 1984-07-17 | 1986-02-07 | Murata Mach Ltd | Apparatus for inspecting shape of yarn package |
-
1990
- 1990-11-29 JP JP12509390U patent/JPH0481980U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260805A (en) * | 1984-06-07 | 1985-12-24 | Dainippon Printing Co Ltd | Defect detector for printed matter |
| JPS6128033A (en) * | 1984-07-17 | 1986-02-07 | Murata Mach Ltd | Apparatus for inspecting shape of yarn package |