JPH0457961U - - Google Patents
Info
- Publication number
- JPH0457961U JPH0457961U JP9851290U JP9851290U JPH0457961U JP H0457961 U JPH0457961 U JP H0457961U JP 9851290 U JP9851290 U JP 9851290U JP 9851290 U JP9851290 U JP 9851290U JP H0457961 U JPH0457961 U JP H0457961U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving surface
- light source
- image sensor
- document surface
- 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
- 238000001228 spectrum Methods 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図はイメージ・スキヤナー装置の要部を示
す側面図、第２図は本考案の実施例に係る冷陰極
管の分光分布を示すグラフ、第３図は本考案の実
験結果を示す色度図、第４図は従来の冷陰極管の
分光分布を示すグラフである。
１乃至９……色度点、１０……青色のスペクト
ル光、１１……緑色のスペクトル光、１２……赤
色のスペクトル光、１３，１４……中間色のスペ
クトル光、２０……原稿面、２１……冷陰極管（
光源）、２２……読み取り位置、２３……ミラー
、２４……光路、２５……レンズ、２６……イメ
ージ・センサー、２７……受光面、３０……色度
曲線、３１乃至３３……波長域の実施例のグルー
プ、４０……分光分布曲線。
Figure 1 is a side view showing the main parts of the image scanner device, Figure 2 is a graph showing the spectral distribution of the cold cathode tube according to the embodiment of the present invention, and Figure 3 is the chromaticity showing the experimental results of the present invention. 4 are graphs showing the spectral distribution of a conventional cold cathode tube. 1 to 9...Chromaticity point, 10...Blue spectrum light, 11...Green spectrum light, 12...Red spectrum light, 13, 14...Intermediate color spectrum light, 20...Document surface, 21 ...Cold cathode tube (
light source), 22... reading position, 23... mirror, 24... optical path, 25... lens, 26... image sensor, 27... light receiving surface, 30... chromaticity curve, 31 to 33... wavelength Group of Examples of Area 40... Spectral distribution curve.
Claims (1)
面からの反射光をイメージ・センサーの受光面上
に結像させるレンズと、青色の単色入射光から近
赤色外の単色入射光まで、各波長の単色光の識別
ができるイメージ・センサーとを備えるイメージ
・スキヤナー装置において、前記光源として青色
緑色赤色それぞれのスペクトル光の前記受光面上
のそれぞれの輝度の最大値に対して青色緑色赤色
それぞれの中間色のスペクトル光の前記受光面上
の輝度の割合を上げた冷陰極管を使用したことを
特徴とするイメージ・スキヤナー装置。 A light source that illuminates the reading position on the document surface, a lens that focuses the light reflected from the document surface onto the light receiving surface of the image sensor, and a light source that illuminates the reading position on the document surface, a lens that focuses the reflected light from the document surface onto the light receiving surface of the image sensor, and a In an image scanner device equipped with an image sensor capable of identifying monochromatic light, the light source is a light source that has a maximum luminance value on the light-receiving surface of blue, green, and red spectrum light, and an intermediate color of blue, green, and red. An image scanner device characterized in that a cold cathode tube is used in which the proportion of brightness of spectrum light on the light receiving surface is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9851290U JPH0457961U (en) | 1990-09-21 | 1990-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9851290U JPH0457961U (en) | 1990-09-21 | 1990-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457961U true JPH0457961U (en) | 1992-05-19 |
Family
ID=31839756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9851290U Pending JPH0457961U (en) | 1990-09-21 | 1990-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457961U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62203466A (en) * | 1986-03-03 | 1987-09-08 | Fuji Xerox Co Ltd | Original reader |
-
1990
- 1990-09-21 JP JP9851290U patent/JPH0457961U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62203466A (en) * | 1986-03-03 | 1987-09-08 | Fuji Xerox Co Ltd | Original reader |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE391451T1 (en) | ENDOSCOPE FOR CAPTURE FLUORESCENCE IMAGES | |
| JP2558477B2 (en) | Mechanism for adjusting wavelength band of light flux in optical system | |
| JPH0339966U (en) | ||
| JPS5630381A (en) | Image pickup unit | |
| JP2007208908A (en) | Scanner device | |
| JPH02134774U (en) | ||
| JPH0310235A (en) | Optical system of image reading device | |
| JPH0469968U (en) | ||
| JPH0195663A (en) | Color picture reader | |
| JPS58186285A (en) | Color television camera | |
| JPH01135884U (en) | ||
| JPH0420759U (en) | ||
| JPS61187179U (en) | ||
| JPS62197101U (en) | ||
| JPS61121067U (en) | ||
| JPS62201566U (en) | ||
| JPH06103369A (en) | Optical part of fingerprint identifier | |
| JPH0213364U (en) | ||
| JPH0443471B2 (en) | ||
| JPH0454760A (en) | Picture reader | |
| JPS62119054U (en) | ||
| JPS61187177U (en) | ||
| JPS61100087U (en) | ||
| JPS6253882U (en) | ||
| JPS61187180U (en) |