JPH0282167U - - Google Patents
Info
- Publication number
- JPH0282167U JPH0282167U JP16127688U JP16127688U JPH0282167U JP H0282167 U JPH0282167 U JP H0282167U JP 16127688 U JP16127688 U JP 16127688U JP 16127688 U JP16127688 U JP 16127688U JP H0282167 U JPH0282167 U JP H0282167U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- original
- led array
- lamp house
- array attached
- 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 Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案による画像読取り用照明装置の
一実施例の概略側面図である。第２図は従来の画
像読取り用照明装置の一例の実装状態を示す概略
側面図、第３図は第２図の画像読取り用照明装置
の構成を示す拡大側面図。第４図はＬＥＤチツプ
の発光特性を示すグラフである。
１０……画像読取り用照明装置；１１……基板
；１２……ＬＥＤアレイ；１３……円筒レンズ；
１４……ランプハウス；１４ａ……遮光壁。
FIG. 1 is a schematic side view of an embodiment of an illuminating device for image reading according to the present invention. FIG. 2 is a schematic side view showing a mounting state of an example of a conventional image reading lighting device, and FIG. 3 is an enlarged side view showing the configuration of the image reading lighting device of FIG. FIG. 4 is a graph showing the light emitting characteristics of the LED chip. 10... Image reading illumination device; 11... Substrate; 12... LED array; 13... Cylindrical lens;
14... Lamp house; 14a... Shading wall.
Claims (1)
て、その移動方向に直交する長手方向に延び且つ
垂直に直立するように配設される基板と、該基板
の一面に上記長手方向に沿つて一列に取り付けら
れたＬＥＤアレイと、該基板の上記一面に取り付
けられた該ＬＥＤアレイに沿つて光軸上で対向す
るように配設された円筒レンズと、該ＬＥＤアレ
イの上方にて上記基板から該レンズの上方を覆う
ように斜め下方に延びているランプハウスとを含
んでいて、該ランプハウスの下面が反射面として
形成されていることを特徴とする、画像読取り用
照明装置。 A substrate that extends in a longitudinal direction orthogonal to the direction of movement of the original and is arranged vertically upright relative to the original that is moved in one direction relative to the original; an LED array attached to the substrate, a cylindrical lens disposed so as to face each other on the optical axis along the LED array attached to the one surface of the substrate; 1. An image reading illumination device comprising a lamp house extending obliquely downward so as to cover above a lens, the lower surface of the lamp house being formed as a reflective surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16127688U JPH0282167U (en) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16127688U JPH0282167U (en) | 1988-12-14 | 1988-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282167U true JPH0282167U (en) | 1990-06-25 |
Family
ID=31444065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16127688U Pending JPH0282167U (en) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282167U (en) |
-
1988
- 1988-12-14 JP JP16127688U patent/JPH0282167U/ja active Pending
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