JPH0472767U - - Google Patents
Info
- Publication number
- JPH0472767U JPH0472767U JP11566190U JP11566190U JPH0472767U JP H0472767 U JPH0472767 U JP H0472767U JP 11566190 U JP11566190 U JP 11566190U JP 11566190 U JP11566190 U JP 11566190U JP H0472767 U JPH0472767 U JP H0472767U
- Authority
- JP
- Japan
- Prior art keywords
- light
- document
- receiving element
- image reading
- image
- 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
- 238000003384 imaging method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図乃至第５図は本考案の画像読取り装置の
防眩装置の要部を示している図、第６図及び第７
図は画像読取り装置の防眩装置の従来例を示す図
である。
１……画像読取り装置の機体、２……原稿カバ
ー、３……原稿、４……原稿台、５……遮光部、
６……画像読取り光を照射する光源、７〜９……
反射鏡、１０……結像レンズ、１１……ライン・
イメージ・センサ、１２，１４……蝶番、１３…
…マイクロスイツチ、ＲＰ……反射板、ＬＥＤ…
…発光素子、ＰＴ……受光素子。
1 to 5 are diagrams showing the main parts of the anti-glare device of the image reading device of the present invention, and FIGS.
The figure shows a conventional example of an anti-glare device for an image reading device. 1... Body of image reading device, 2... Original cover, 3... Original, 4... Original table, 5... Light shielding part,
6...Light source that irradiates image reading light, 7 to 9...
Reflector, 10...Imaging lens, 11...Line.
Image sensor, 12, 14... Hinge, 13...
...Micro switch, RP...reflector, LED...
...Light emitting element, PT... Light receiving element.
Claims (1)
からの反射光を結像光学系によりイメージセンサ
に結像させて画像の読取りが行なわれる画像読取
り装置において、原稿カバーが閉じている状態か
ら予め定められた開き角で原稿カバーが開いてい
る状態になるまでの間は、発光素子から放射され
た光が受光素子によつて受光できるように、原稿
読取り領域とは異なる部分に発光素子と受光素子
とを配置し、前記した原稿カバーの開放状態と関
連して受光素子からの出力信号が予め定められた
大きさよりも小さくなつた場合に、画像読取り光
の光強度を小さくするようにした画像読取り装置
の防眩装置。 In an image reading device that reads an image by focusing reflected light from a document on a document table illuminated by image reading light onto an image sensor using an imaging optical system, Until the document cover is opened at the specified opening angle, the light-emitting element and light-receiving element are placed in a part different from the document reading area so that the light emitted from the light-emitting element can be received by the light-receiving element. The light intensity of the image reading light is reduced when the output signal from the light-receiving element becomes smaller than a predetermined magnitude in relation to the open state of the document cover described above. Anti-glare device for reader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11566190U JPH0472767U (en) | 1990-11-02 | 1990-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11566190U JPH0472767U (en) | 1990-11-02 | 1990-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472767U true JPH0472767U (en) | 1992-06-26 |
Family
ID=31863439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11566190U Pending JPH0472767U (en) | 1990-11-02 | 1990-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472767U (en) |
-
1990
- 1990-11-02 JP JP11566190U patent/JPH0472767U/ja active Pending
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