JPH01109033U - - Google Patents
Info
- Publication number
- JPH01109033U JPH01109033U JP211288U JP211288U JPH01109033U JP H01109033 U JPH01109033 U JP H01109033U JP 211288 U JP211288 U JP 211288U JP 211288 U JP211288 U JP 211288U JP H01109033 U JPH01109033 U JP H01109033U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- skew
- mode
- paper
- modes
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Registering Or Overturning Sheets (AREA)
- Paper Feeding For Electrophotography (AREA)
- Color Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の一実施例に適用されるセンサ
の配置例の説明図、第２図は各センサとスキユー
を起こした転写紙との位置関係の説明図、第３図
は本考案の検知装置を制御するための制御部の構
成を示すブロツク図、第４図はスキユー検知操作
手順を示すフローチヤート、第５図はタイミング
チヤートである。
１……レジストローラ、３，４……センサ、６
……レジスト検知手段、１０……制御部、１１…
…操作部。
Fig. 1 is an explanatory diagram of an example of sensor arrangement applied to an embodiment of the present invention, Fig. 2 is an explanatory diagram of the positional relationship between each sensor and the transfer paper that caused the skew, and Fig. 3 is an explanatory diagram of an example of the arrangement of sensors applied to an embodiment of the present invention. FIG. 4 is a block diagram showing the configuration of a control section for controlling the detection device, FIG. 4 is a flowchart showing the skew detection operation procedure, and FIG. 5 is a timing chart. 1... Registration roller, 3, 4... Sensor, 6
...Registration detection means, 10...Control unit, 11...
...Operation section.
Claims (1)
えた複写機等において、 複数のモードを選択設定するモード入力手段と
、転写紙の搬送経路上において転写紙の端縁の進
入の有無を検知するために搬送方向と交差する方
向に配列された複数の検知手段と、各検知手段に
よる紙の端縁の検知タイミングの時間差を測定す
る手段と、前記各モード毎に異なるスキユー発生
時における前記検知タイミングの時間差を夫々基
準値として記憶する記憶手段と、各モードにおけ
るスキユー判定のための該基準値と実際の検知タ
イミングの時間差とを比較して各モードにおける
スキユーの有無を判定する手段とを備えたことを
特徴とする複写機等のスキユー検知装置。[Claim for Utility Model Registration] In a copying machine, etc. equipped with a plurality of modes with different process speeds, a mode input means for selecting and setting a plurality of modes, and an approach of the edge of the transfer paper on the conveyance path of the transfer paper. a plurality of detection means arranged in a direction intersecting the conveyance direction to detect the presence or absence of paper; a means for measuring the time difference between the detection timing of the edge of the paper by each detection means; and means for measuring the occurrence of skew that differs for each mode. storage means for storing the time differences between the detection timings as reference values, respectively, and the reference values for skew determination in each mode are compared with the time differences between the actual detection timings to determine the presence or absence of skew in each mode. A skew detection device for a copying machine, etc., characterized by comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211288U JPH01109033U (en) | 1988-01-12 | 1988-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211288U JPH01109033U (en) | 1988-01-12 | 1988-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01109033U true JPH01109033U (en) | 1989-07-24 |
Family
ID=31202601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP211288U Pending JPH01109033U (en) | 1988-01-12 | 1988-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01109033U (en) |
-
1988
- 1988-01-12 JP JP211288U patent/JPH01109033U/ja active Pending
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