JPH02150870U - - Google Patents
Info
- Publication number
- JPH02150870U JPH02150870U JP5945489U JP5945489U JPH02150870U JP H02150870 U JPH02150870 U JP H02150870U JP 5945489 U JP5945489 U JP 5945489U JP 5945489 U JP5945489 U JP 5945489U JP H02150870 U JPH02150870 U JP H02150870U
- Authority
- JP
- Japan
- Prior art keywords
- light
- document
- optical path
- light receiving
- receiving 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案による画像読取り装置の一実施
例を示す概略図、第２図乃至第４図はそれぞれ他
の実施例を示す概略断面図である。第５図は従来
の画像読取り装置の一例を示す概略断面図である
。
１０……画像読取り装置；１１，１２，１３…
…短縮光学系；１１ａ，１１ｂ，１１ｃ，１１ｄ
，１２ａ，１２ｂ，１２ｃ……反射鏡；１３ａ…
…ハーフミラー；２……原稿；３……照明光源；
４……レンズアレイ；５……受光装置。
FIG. 1 is a schematic diagram showing one embodiment of an image reading device according to the present invention, and FIGS. 2 to 4 are schematic sectional views showing other embodiments. FIG. 5 is a schematic cross-sectional view showing an example of a conventional image reading device. 10... Image reading device; 11, 12, 13...
... Shortening optical system; 11a, 11b, 11c, 11d
, 12a, 12b, 12c...Reflector; 13a...
…half mirror; 2…original; 3…illumination light source;
4... Lens array; 5... Light receiving device.
Claims (1)
て、その移動方向に直交する走査方向に沿つてラ
イン状の照明光を照射する光源装置と、該光源装
置から照射され上記原稿の表面で反射された光が
入射される受光装置とを含む画像読取り装置にお
いて、原稿から受光装置までの読取り光路に、実
質的に光路長を短くする短縮光学系が挿入されて
いることを特徴とする、画像読取り装置。 A light source device that irradiates a document that is relatively moved in one direction with linear illumination light along a scanning direction perpendicular to the direction of movement; An image reading device including a light receiving device into which light is incident, characterized in that a shortening optical system that substantially shortens the optical path length is inserted in the reading optical path from the document to the light receiving device. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5945489U JPH02150870U (en) | 1989-05-23 | 1989-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5945489U JPH02150870U (en) | 1989-05-23 | 1989-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150870U true JPH02150870U (en) | 1990-12-27 |
Family
ID=31585958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5945489U Pending JPH02150870U (en) | 1989-05-23 | 1989-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150870U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62145960A (en) * | 1985-12-20 | 1987-06-30 | Fuji Xerox Co Ltd | Picture reader |
-
1989
- 1989-05-23 JP JP5945489U patent/JPH02150870U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62145960A (en) * | 1985-12-20 | 1987-06-30 | Fuji Xerox Co Ltd | Picture reader |