JPH044463U - - Google Patents
Info
- Publication number
- JPH044463U JPH044463U JP4489190U JP4489190U JPH044463U JP H044463 U JPH044463 U JP H044463U JP 4489190 U JP4489190 U JP 4489190U JP 4489190 U JP4489190 U JP 4489190U JP H044463 U JPH044463 U JP H044463U
- Authority
- JP
- Japan
- Prior art keywords
- image data
- line
- image
- selection means
- transfer device
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Storing Facsimile Image Data (AREA)
- Editing Of Facsimile Originals (AREA)
Description
第１図は本考案の画像データ転送装置が適用さ
れる複写機の概略ブロツク図、第２図は同複写機
の画像データ転送装置部分を示す回路図、第３図
ａ〜ｅは単純間引き方式の場合の画像データ転送
装置の動作を説明するためのタイミングチヤート
、第４図ａ〜ｅはＯＲ方式の場合の画像データ転
送装置の動作を説明するためのタイミングチヤー
ト、第５図は従来の画像データ転送装置を使用し
た複写機の概略ブロツク図、第６図は第５図に示
す複写機の画像非縮小時の動作を説明するための
タイミングチヤート、第７図は同じく画像縮小時
の動作を説明するためのタイミングチヤート、第
８図は印字部の構成例を示すブロツク図、第９図
ａ，ｂ，ｃは印字部の動作を示す説明図である。
１……画像読取部、２……クロツク発生回路、
３……Ａ／Ｄ変換部、４，１２……白発生回路、
５……画像データ切換回路、６……印字部、６ａ
……シフトレジスタ、６ｂ……ラツチ、６ｃ……
記録部、７……間引き回路、８……クロツク切換
回路、９……二値化部、１０……ＯＲ回路、１１
……メモリ、２０……画像データ転送装置、２１
……ＯＲゲート、２２，２３，２４……ＡＮＤゲ
ート。
Fig. 1 is a schematic block diagram of a copying machine to which the image data transfer device of the present invention is applied, Fig. 2 is a circuit diagram showing the image data transfer device portion of the copy machine, and Figs. 3 a to e are simple thinning method. 4A to 4E are timing charts for explaining the operation of the image data transfer device in the case of the OR method, and FIG. 5 is a timing chart for explaining the operation of the image data transfer device in the case of the OR method. A schematic block diagram of a copying machine using the data transfer device. FIG. 6 is a timing chart for explaining the operation of the copying machine shown in FIG. 5 when the image is not reduced. FIG. 7 also shows the operation when the image is reduced. A timing chart for explanation, FIG. 8 is a block diagram showing an example of the configuration of the printing section, and FIGS. 9a, b, and c are explanatory diagrams showing the operation of the printing section. 1... Image reading unit, 2... Clock generation circuit,
3... A/D conversion section, 4, 12... White generation circuit,
5... Image data switching circuit, 6... Printing section, 6a
...Shift register, 6b...Latch, 6c...
Recording section, 7... Thinning circuit, 8... Clock switching circuit, 9... Binarization section, 10... OR circuit, 11
...Memory, 20...Image data transfer device, 21
...OR gate, 22, 23, 24...AND gate.
Claims (1)
する画素選択手段と、画像データを副走査方向に
一定ライン置きに選択するライン選択手段と、該
ライン選択手段により選択されたライン期間で画
像データを画像出力装置或いは画像記憶装置に転
送し該ライン期間に後続する非選択ライン期間に
おいて画像の白に対応する画像データを前記画像
出力装置或いは画像記憶装置に転送する手段を設
けたことを特徴とする画像データ転送装置。 pixel selection means for selecting image data at constant pixel intervals in the main scanning direction; line selection means for selecting image data at constant line intervals in the sub-scanning direction; and image data in the line period selected by the line selection means. The present invention is characterized by comprising means for transferring image data corresponding to white of an image to the image output device or image storage device in a non-selected line period following the line period. Image data transfer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4489190U JP2552305Y2 (en) | 1990-04-25 | 1990-04-25 | Image data transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4489190U JP2552305Y2 (en) | 1990-04-25 | 1990-04-25 | Image data transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH044463U true JPH044463U (en) | 1992-01-16 |
| JP2552305Y2 JP2552305Y2 (en) | 1997-10-29 |
Family
ID=31558594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4489190U Expired - Fee Related JP2552305Y2 (en) | 1990-04-25 | 1990-04-25 | Image data transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2552305Y2 (en) |
-
1990
- 1990-04-25 JP JP4489190U patent/JP2552305Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2552305Y2 (en) | 1997-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |