JPH0444767U - - Google Patents
Info
- Publication number
- JPH0444767U JPH0444767U JP8676490U JP8676490U JPH0444767U JP H0444767 U JPH0444767 U JP H0444767U JP 8676490 U JP8676490 U JP 8676490U JP 8676490 U JP8676490 U JP 8676490U JP H0444767 U JPH0444767 U JP H0444767U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- image
- scanning direction
- scanner
- image reading
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Editing Of Facsimile Originals (AREA)
Description
第１図は本考案の実施例を示す画像読取装置の
一部切欠斜視図、第２図は従来の画像読取装置の
読取領域の指定方法を示す図、第３図は第１図の
Ａ−Ａ断面図、第４図は第１図のＢ−Ｂ断面図、
第５図は本考案の画像読取装置のブロツク図、第
６図は本考案の画像読取装置のタイムチヤートで
ある。
１……スキヤナ、２……蛍光灯、４……基板、
５……検出レバー、１６……筺体、１７，１８，
１９，２０……指針、３０……２値化処理部、３
１……増幅器、３２……正規化回路、３３……２
値化回路、３６……タイミングジエネレータ、３
７……信号描写部、５０……ホストコンピユータ
。
FIG. 1 is a partially cutaway perspective view of an image reading device showing an embodiment of the present invention, FIG. 2 is a diagram showing a method of specifying the reading area of a conventional image reading device, and FIG. A sectional view, Figure 4 is a BB sectional view in Figure 1,
FIG. 5 is a block diagram of the image reading device of the present invention, and FIG. 6 is a time chart of the image reading device of the present invention. 1... Scanner, 2... Fluorescent lamp, 4... Board,
5...Detection lever, 16...Housing, 17, 18,
19, 20...Guideline, 30...Binarization processing unit, 3
1...Amplifier, 32...Normalization circuit, 33...2
Value conversion circuit, 36...timing generator, 3
7...Signal rendering section, 50...Host computer.
Claims (1)
したスキヤナと、 (b) 該スキヤナのホーム位置を検出するホーム
位置検出手段と、 (c) 上記スキヤナを副走査方向に走行させるた
めの駆動手段と、 (d) 上記光電変換素子によつて画像を読み取り
、その画像信号を２値化する２値化処理部と、 (e) 該２値化処理部から出力される出力信号を
記憶するメモリと、 (f) 主走査方向において画像読取範囲外に配設
される長尺状の窓と、 (g) 副走査方向において画像読取範囲外に配設
される長尺状の窓と、 (h) 上記両窓にスライド自在に配設されるとと
もに読取領域を示す各１対ずつの指針と、 (i) 上記副走査方向の窓に対応する部分の画像
信号を描出する信号描出部と、 (j) 上記メモリに記憶された出力信号と信号描
出部によつて得られた描出信号から指針間の距離
を決定する手段を有することを特徴とする画像読
取装置。[Scope of Claim for Utility Model Registration] (a) A scanner having a photoelectric conversion element and a light source arranged in the main scanning direction; (b) Home position detection means for detecting the home position of the scanner; (c) The above scanner. (d) a binarization processing unit that reads an image using the photoelectric conversion element and binarizes the image signal; (e) the binarization processing unit; (f) a long window arranged outside the image reading range in the main scanning direction; (g) a long window arranged outside the image reading range in the sub scanning direction; (h) a pair of pointers each slidably disposed in both windows and indicating a reading area; (i) an image of a portion corresponding to the window in the sub-scanning direction; An image reading device comprising: a signal drawing section for drawing a signal; and (j) means for determining the distance between the pointers from the output signal stored in the memory and the drawing signal obtained by the signal drawing section. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8676490U JPH0444767U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8676490U JPH0444767U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444767U true JPH0444767U (en) | 1992-04-16 |
Family
ID=31818592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8676490U Pending JPH0444767U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444767U (en) |
-
1990
- 1990-08-21 JP JP8676490U patent/JPH0444767U/ja active Pending
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