JPH0354901U - - Google Patents
Info
- Publication number
- JPH0354901U JPH0354901U JP7406289U JP7406289U JPH0354901U JP H0354901 U JPH0354901 U JP H0354901U JP 7406289 U JP7406289 U JP 7406289U JP 7406289 U JP7406289 U JP 7406289U JP H0354901 U JPH0354901 U JP H0354901U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- original
- scanning device
- image scanning
- cylindrical body
- 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
- Light Guides In General And Applications Therefor (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案を適用した画像走査装置の概略
構成を示す斜視図、第２図及び第３図はそれぞれ
本考案のライトガイドの縦断側面図及び横断平面
図、第４図は従来例を示す斜視図、第５図はガラ
スロツドによる出射光の状態を示す図である。
１……原画、１１……ライトガイド、１１ａ…
…ライトガイドの内周面、１２……出射用スリツ
ト、１３……乱反射層、１５……光源。
FIG. 1 is a perspective view showing a schematic configuration of an image scanning device to which the present invention is applied, FIGS. 2 and 3 are a vertical side view and a cross-sectional plan view, respectively, of the light guide of the present invention, and FIG. 4 is a conventional example. The perspective view shown in FIG. 5 is a diagram showing the state of light emitted by the glass rod. 1...Original picture, 11...Light guide, 11a...
... Inner peripheral surface of light guide, 12 ... Output slit, 13 ... Diffuse reflection layer, 15 ... Light source.
Claims (1)
に棒状のライトガイドを設け、ライトガイドの少
なくとも一端に光源を配置して構成した画像走査
装置の原画照明装置において、 ライトガイドを中空の筒状体で構成し、その内
周面を反射面として形成し、その軸線方向に沿つ
て出射用スリツトを開口するとともに、当該スリ
ツトに対向させて筒状体の奥内面に乱反射層を形
成したことを特徴とする画像走査装置の原画照明
装置。[Scope of Claim for Utility Model Registration] In an original illumination device for an image scanning device, comprising a bar-shaped light guide that is parallel to the original screen and movable relative to the original screen, and a light source disposed at at least one end of the light guide. The light guide is constructed of a hollow cylindrical body, the inner circumferential surface of which is formed as a reflective surface, an exit slit is opened along the axial direction of the light guide, and the inner surface of the cylindrical body is opened opposite to the slit. An original image illumination device for an image scanning device, characterized in that a diffused reflection layer is formed on the original image scanning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7406289U JPH0354901U (en) | 1989-06-23 | 1989-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7406289U JPH0354901U (en) | 1989-06-23 | 1989-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354901U true JPH0354901U (en) | 1991-05-28 |
Family
ID=31613426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7406289U Pending JPH0354901U (en) | 1989-06-23 | 1989-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354901U (en) |
-
1989
- 1989-06-23 JP JP7406289U patent/JPH0354901U/ja active Pending