JPS60110838U - Automatic magnification device for zoom copying machines - Google Patents
Automatic magnification device for zoom copying machinesInfo
- Publication number
- JPS60110838U JPS60110838U JP20364983U JP20364983U JPS60110838U JP S60110838 U JPS60110838 U JP S60110838U JP 20364983 U JP20364983 U JP 20364983U JP 20364983 U JP20364983 U JP 20364983U JP S60110838 U JPS60110838 U JP S60110838U
- Authority
- JP
- Japan
- Prior art keywords
- zoom
- magnification
- ratio
- original
- copying machines
- 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
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を適用できるズーム複写機の斜視図、第
２図はその断面で示した側面図、第３図は本考案の構成
要件の一つである原稿寸法検出器の一実施例の平面図、
第４図は第３図におけるＡ矢視側面図、第５図は原稿の
横向き寸法検出器の構成を示すブロック図、第６図はズ
ーム光学系の変倍率調節手順を示すフロー図である。
（符号の説明）、１・・・ズーム複写機、２・・・原稿
台、３・・・原稿自動送り装置、５・・・ズーム光学系
、９・・・給紙カセット、７２・・・原稿トレー、７３
，７３ ａ、 ７３ ｂ・・・カーソル、７４・・・
可変抵抗器、７５ａ、７５ｂ・・・ラック、７６・・・
ピニオン、８４゜９０・・・横向き寸法検出器、１００
・・・原稿、ＳＳ１゜ＳＳ２．ＳＳ３・・・センサ。Fig. 1 is a perspective view of a zoom copying machine to which the present invention can be applied, Fig. 2 is a side view showing its cross section, and Fig. 3 is an embodiment of a document size detector which is one of the constituent elements of the present invention. plan view of
FIG. 4 is a side view taken in the direction of arrow A in FIG. 3, FIG. 5 is a block diagram showing the configuration of a horizontal document size detector, and FIG. 6 is a flowchart showing the procedure for adjusting the magnification of the zoom optical system. (Explanation of symbols) 1...Zoom copying machine, 2...Document stand, 3...Automatic document feeder, 5...Zoom optical system, 9...Paper feed cassette, 72... Manuscript tray, 73
, 73 a, 73 b...cursor, 74...
Variable resistor, 75a, 75b... rack, 76...
Pinion, 84°90... Lateral dimension detector, 100
...Manuscript, SS1゜SS2. SS3...Sensor.
Claims (1)
機において、原稿の縦方向及び横方向の寸法を夫々検出
する手段と、複写しようとするコピー用紙と当該原稿と
の縦方向及び横方向の寸法の比率を夫々算出する手段と
、算出した２つの比率の内上記原稿全体を上記コピー用
紙に複写する為の比率を選択する手段と、上記ズーム光
学系の変倍率を当該選択した比率となるように調節する
手段とを備えてなるズーム複写機の自動変倍装置。In a copying machine equipped with a zoom optical system that can steplessly change the magnification of an original image, there is a means for detecting the vertical and horizontal dimensions of the original, and a means for detecting the vertical and horizontal dimensions of the original and the copy paper to be copied. means for calculating the ratio of dimensions in each direction; means for selecting a ratio for copying the entire original onto the copy paper from among the two calculated ratios; and means for changing the magnification ratio of the zoom optical system to the selected ratio. An automatic magnification change device for a zoom copying machine, comprising means for adjusting the magnification so that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20364983U JPS60110838U (en) | 1983-12-28 | 1983-12-28 | Automatic magnification device for zoom copying machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20364983U JPS60110838U (en) | 1983-12-28 | 1983-12-28 | Automatic magnification device for zoom copying machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60110838U true JPS60110838U (en) | 1985-07-27 |
Family
ID=30766055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20364983U Pending JPS60110838U (en) | 1983-12-28 | 1983-12-28 | Automatic magnification device for zoom copying machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60110838U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5492318A (en) * | 1977-12-29 | 1979-07-21 | Ricoh Co Ltd | Variable power determining device |
| JPS5517119A (en) * | 1978-07-21 | 1980-02-06 | Ricoh Co Ltd | Variable magnifying power copying apparatus |
| JPS5828857B2 (en) * | 1976-04-08 | 1983-06-18 | ユニオン、カ−バイド、コ−ポレ−シヨン | Circulating hydroformylation method |
-
1983
- 1983-12-28 JP JP20364983U patent/JPS60110838U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828857B2 (en) * | 1976-04-08 | 1983-06-18 | ユニオン、カ−バイド、コ−ポレ−シヨン | Circulating hydroformylation method |
| JPS5492318A (en) * | 1977-12-29 | 1979-07-21 | Ricoh Co Ltd | Variable power determining device |
| JPS5517119A (en) * | 1978-07-21 | 1980-02-06 | Ricoh Co Ltd | Variable magnifying power copying apparatus |
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