JPS6197261U - - Google Patents
Info
- Publication number
- JPS6197261U JPS6197261U JP18183684U JP18183684U JPS6197261U JP S6197261 U JPS6197261 U JP S6197261U JP 18183684 U JP18183684 U JP 18183684U JP 18183684 U JP18183684 U JP 18183684U JP S6197261 U JPS6197261 U JP S6197261U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- original
- vicinity
- image sensor
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案の一実施例を示す要部側面図、
第２図は第１図におけるフイルタ群の平面図、第
３図はＣＣＤの出力レベル関係の１例を示す説明
図である。
図において、１１…透過用光源、１２…反射用
光源、１３…ＣＣＤ、１４…レンズ、１５…フイ
ルタ群、Ｆ１〜Ｆ６…ＮＤフイルタ。
FIG. 1 is a side view of essential parts showing an embodiment of the present invention;
FIG. 2 is a plan view of the filter group in FIG. 1, and FIG. 3 is an explanatory diagram showing an example of the relationship between the output levels of the CCD. In the figure, 11...transmission light source, 12...reflection light source, 13...CCD, 14...lens, 15...filter group, F1 to F6 ...ND filter.
Claims (1)
び反射用の原稿と、該原稿の一方の面側に配置さ
れ前記透過用の原稿の原稿面に対してほぼ直角方
向から走査部位近傍を照射する第１の光源と、前
記一方の面側と反対の面側に配置され前記反射用
の原稿の前記走査部位近傍を照射する第２の光源
と、該第２の光源側に配置され前記搬送方向に直
交する方向に沿つて複数個のフオトセンサを直線
状にほぼ等間源に配列する１次元イメージセンサ
と、該第１次元イメージセンサの受光面に前記走
査部位からの前記第１の光源からの透過光および
前記第２の光源からの反射光を結像するレンズと
、前記透過光および反射光の光路にいずれか１個
が選択的に挿入されそれぞれ異なる透過率をもつ
複数個のＮＤ（ｎｅｕｔｒ１ ｄｅｎｓｉｔｙ）
フイルタとを有する原稿読取機構。 Transmissive and reflective originals are fed out in the conveying direction at a sub-scanning speed, and the vicinity of the scanning area is irradiated from a direction substantially perpendicular to the original surface of the transparent original, which is placed on one side of the original. a first light source; a second light source that is disposed on a surface opposite to the one surface and illuminates the vicinity of the scanning area of the reflective document; and a second light source that is disposed on the second light source side and is arranged in the transport direction. a one-dimensional image sensor in which a plurality of photo sensors are arranged in a straight line at approximately equal intervals along a direction perpendicular to the image sensor; A lens that images the transmitted light and the reflected light from the second light source, and a plurality of NDs (neutr1), one of which is selectively inserted into the optical path of the transmitted light and the reflected light, each having a different transmittance density)
A document reading mechanism having a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18183684U JPH0339978Y2 (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18183684U JPH0339978Y2 (en) | 1984-11-30 | 1984-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6197261U true JPS6197261U (en) | 1986-06-21 |
| JPH0339978Y2 JPH0339978Y2 (en) | 1991-08-22 |
Family
ID=30739373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18183684U Expired JPH0339978Y2 (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339978Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63127664A (en) * | 1986-11-18 | 1988-05-31 | Canon Inc | Reader |
| JPH0341872A (en) * | 1989-07-08 | 1991-02-22 | Fuji Xerox Co Ltd | Picture reader |
-
1984
- 1984-11-30 JP JP18183684U patent/JPH0339978Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63127664A (en) * | 1986-11-18 | 1988-05-31 | Canon Inc | Reader |
| JPH0341872A (en) * | 1989-07-08 | 1991-02-22 | Fuji Xerox Co Ltd | Picture reader |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339978Y2 (en) | 1991-08-22 |
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