JPH02106764U - - Google Patents
Info
- Publication number
- JPH02106764U JPH02106764U JP1424589U JP1424589U JPH02106764U JP H02106764 U JPH02106764 U JP H02106764U JP 1424589 U JP1424589 U JP 1424589U JP 1424589 U JP1424589 U JP 1424589U JP H02106764 U JPH02106764 U JP H02106764U
- Authority
- JP
- Japan
- Prior art keywords
- image
- removal circuit
- black edge
- edge removal
- white level
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Editing Of Facsimile Originals (AREA)
Description
第１図は本考案によるデジタル複写機の一実施
例を示すブロツク図、第２図は同実施例で用いら
れる読取装置の一例を示す断面図、第３図は同実
施例の動作を説明するためのタイミングチヤート
、第４図は同実施例の動作例を説明するための模
式図である。
２……プラテンガラス、８……ラインイメージ
センサ、１０……原稿、５１……第１黒縁除去回
路、５２……第２黒縁除去回路。
Fig. 1 is a block diagram showing an embodiment of a digital copying machine according to the present invention, Fig. 2 is a sectional view showing an example of a reading device used in the embodiment, and Fig. 3 explains the operation of the embodiment. FIG. 4 is a schematic diagram for explaining an example of the operation of the embodiment. 2...Platen glass, 8...Line image sensor, 10...Document, 51...First black edge removal circuit, 52...Second black edge removal circuit.
Claims (1)
の原稿を走査して前記原稿の光学画像を電気画像
に変換するとともに、この電気画像に基づいて記
録装置を駆動し前記光学画像に対応する画像をプ
リントアウトさせるデジタル複写機において、前
記電気画像を構成する各ラインの先頭から最初に
白レベルとなる画素までを全て白レベルにする第
１黒縁除去回路と、この第１黒縁除去回路によつ
て処理された電気画像の最後の白レベル画素以後
全ての画素を白レベルにする第２黒縁除去回路と
を備えたことを特徴とするデジタル複写機。 Digital copying in which a line image sensor scans a document on a platen glass, converts the optical image of the document into an electrical image, and drives a recording device based on this electrical image to print out an image corresponding to the optical image. a first black edge removal circuit that sets all pixels from the beginning of each line constituting the electrical image to the first pixel that becomes white to a white level; and an electric image processed by the first black edge removal circuit. A digital copying machine comprising: a second black edge removal circuit that sets all pixels after the last white level pixel to a white level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1424589U JPH02106764U (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1424589U JPH02106764U (en) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106764U true JPH02106764U (en) | 1990-08-24 |
Family
ID=31225272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1424589U Pending JPH02106764U (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106764U (en) |
-
1989
- 1989-02-09 JP JP1424589U patent/JPH02106764U/ja active Pending
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