JPH032770U - - Google Patents
Info
- Publication number
- JPH032770U JPH032770U JP6179089U JP6179089U JPH032770U JP H032770 U JPH032770 U JP H032770U JP 6179089 U JP6179089 U JP 6179089U JP 6179089 U JP6179089 U JP 6179089U JP H032770 U JPH032770 U JP H032770U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- fluorescent lamp
- ccd sensor
- image reading
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案の実施例である画像読取装置
の光源装置の概略構成図、第２図は光源装置の要
部断面図、第３図は従来の画像読取装置於ける光
源装置の要部構成図、第４図は従来の光源装置の
要部断面図、第５図は従来装置の問題点を説明す
る図である。
１′，２′，３′は蛍光灯、１０はガラス管体
、１２は開口部、１３は反射膜、１５は遮光部。
Fig. 1 is a schematic configuration diagram of a light source device of an image reading device that is an embodiment of this invention, Fig. 2 is a sectional view of the main parts of the light source device, and Fig. 3 is a main part of the light source device of a conventional image reading device. FIG. 4 is a sectional view of a main part of a conventional light source device, and FIG. 5 is a diagram illustrating problems with the conventional device. 1', 2', and 3' are fluorescent lamps, 10 is a glass tube body, 12 is an opening, 13 is a reflective film, and 15 is a light shielding part.
Claims (1)
、前記蛍光灯を点灯させて原稿を照射し、その反
射光を前記ＣＣＤセンサーで検知することにより
、前記原稿の画像情報を読み取る画像読取装置に
於いて、 前記蛍光灯の開口部以外の部分に光源からの光
の透過を抑える遮光部を形成し、光源からの光が
原稿読み取り部の方向にのみ照射されるようにし
たことを特徴とする画像読取装置の光源装置。[Claims for Utility Model Registration] It has a fluorescent lamp as a light source and a CCD sensor, and the original is illuminated by lighting the fluorescent lamp and the reflected light is detected by the CCD sensor. In an image reading device that reads image information, a light shielding portion is formed in a portion other than the opening of the fluorescent lamp to suppress transmission of light from the light source, so that the light from the light source is irradiated only in the direction of the document reading portion. A light source device for an image reading device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179089U JPH032770U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179089U JPH032770U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032770U true JPH032770U (en) | 1991-01-11 |
Family
ID=31590353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6179089U Pending JPH032770U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51154228U (en) * | 1975-06-03 | 1976-12-09 |
-
1989
- 1989-05-26 JP JP6179089U patent/JPH032770U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51154228U (en) * | 1975-06-03 | 1976-12-09 |
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