JPS6455768U - - Google Patents
Info
- Publication number
- JPS6455768U JPS6455768U JP15099287U JP15099287U JPS6455768U JP S6455768 U JPS6455768 U JP S6455768U JP 15099287 U JP15099287 U JP 15099287U JP 15099287 U JP15099287 U JP 15099287U JP S6455768 U JPS6455768 U JP S6455768U
- Authority
- JP
- Japan
- Prior art keywords
- image information
- information reading
- illumination
- reading device
- variable means
- 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
- 238000005286 illumination Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図は反射ミラーにより照明方向を変える本
考案実施例の要部を示す概略側面図、第２図は本
考案実施例の画像情報読取装置全体の構成を示す
概略断面図、第３図は同装置の回路系を示すブロ
ツク図、第４図は複数の光源の点灯制御により照
明方向を変える本考案実施例のブロツク図、第５
図は第１図に示される実施例の制御を行う回路の
ブロツク図、第６図は本考案の画像情報読取装置
による出力例を示す説明図、第７図は一方向から
の照明による画像情報読取を説明する図、第８図
及び第９図は影の発生を説明する図、第１０図は
両方向からの照明による画像情報読取を説明する
図、第１１図及び第１２図は影の発生の防止を説
明する図である。
１：プラテンガラス、２，２ａ，２ｂ：光源、
３，４，３０：反射ミラー、５：光学レンズ、６
：ライン読取用センサ、ＤＴ：原稿、Ｄ１：通常
原稿、Ｄ２：切り貼り原稿、ＤＵ：下地、Ｄ０：
上地、Ｓ：影。
FIG. 1 is a schematic side view showing the main parts of an embodiment of the present invention in which the direction of illumination is changed by a reflecting mirror, FIG. Figure 4 is a block diagram showing the circuit system of the device.
The figure is a block diagram of a circuit that controls the embodiment shown in Figure 1, Figure 6 is an explanatory diagram showing an example of output from the image information reading device of the present invention, and Figure 7 is image information obtained by illumination from one direction. Figures 8 and 9 are diagrams for explaining reading, Figures 8 and 9 are diagrams for explaining the occurrence of shadows, Figure 10 is a diagram for explaining image information reading by illumination from both directions, and Figures 11 and 12 are diagrams for explaining the occurrence of shadows. It is a figure explaining prevention of. 1: platen glass, 2, 2a, 2b: light source,
3, 4, 30: Reflection mirror, 5: Optical lens, 6
: Line reading sensor, DT: Original, D 1 : Normal original, D 2 : Cut and paste original, DU: Base, D 0 :
Kamiji, S: Shadow.
Claims (1)
の方向を変える照明方向可変手段を設けたことを
特徴とする画像情報読取装置。 ２ 前記照明方向可変手段は、外部から角度調整
可能な反射ミラーを備えていることを特徴とする
実用新案登録請求の範囲第１項記載の画像情報読
取装置。 ３ 前記光源は複数設けられており、前記照明方
向可変手段は、前記複数の光源の光量を独立に制
御する制御回路を備えていることを特徴とする実
用新案登録請求の範囲第１項記載の画像情報読取
装置。[Claims for Utility Model Registration] 1. An image information reading device characterized by being provided with illumination direction variable means for changing the direction of illumination from a light source to a document at a reading point of the document. 2. The image information reading device according to claim 1, wherein the illumination direction variable means includes a reflecting mirror whose angle can be adjusted from the outside. 3. The utility model according to claim 1, wherein a plurality of the light sources are provided, and the illumination direction variable means includes a control circuit that independently controls the light amount of the plurality of light sources. Image information reading device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15099287U JPS6455768U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15099287U JPS6455768U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6455768U true JPS6455768U (en) | 1989-04-06 |
Family
ID=31424636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15099287U Pending JPS6455768U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6455768U (en) |
-
1987
- 1987-09-30 JP JP15099287U patent/JPS6455768U/ja active Pending
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