JPS6247556U - - Google Patents
Info
- Publication number
- JPS6247556U JPS6247556U JP13948685U JP13948685U JPS6247556U JP S6247556 U JPS6247556 U JP S6247556U JP 13948685 U JP13948685 U JP 13948685U JP 13948685 U JP13948685 U JP 13948685U JP S6247556 U JPS6247556 U JP S6247556U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- photo sensor
- detection device
- conveyance path
- copying machine
- 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 3
- 238000005452 bending Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の一実施例に係る紙搬送系を示
す概略構成図であり、用紙が正常に搬送されてい
る状態を示す図、第２図は同、用紙がたわみ始め
た状態を示す図、第３図はセンサ部分の回路図、
第４図はセンサ出力と距離との関係を示す特性図
、第５図はジヤム検知及び駆動制御のブロツク図
、第６図はその動作フローチヤートである。
１，２，４……搬送経路、５，６……フオトセ
ンサ、１０……コンパレータ、１２……制御部。
FIG. 1 is a schematic configuration diagram showing a paper conveyance system according to an embodiment of the present invention, and shows a state in which paper is being conveyed normally, and FIG. 2 shows a state in which the paper has begun to bend. Figure 3 is the circuit diagram of the sensor part,
FIG. 4 is a characteristic diagram showing the relationship between sensor output and distance, FIG. 5 is a block diagram of jam detection and drive control, and FIG. 6 is a flowchart of its operation. 1, 2, 4...transport route, 5, 6...photo sensor, 10...comparator, 12...control unit.
Claims (1)
センサを配置し、搬送路を搬送される用紙を検出
すると共に、用紙がたわむことによつて用紙とフ
オトセンサとの距離が近接したことをフオトセン
サの出力レベルの変化で検出し、ジヤムを判断す
るようにしたことを特徴とする高速複写機のジヤ
ム紙検出装置。 A reflective photo sensor is placed above the paper conveyance path in a horizontal state to detect the paper being conveyed along the conveyance path, and the photo sensor outputs information indicating that the distance between the paper and the photo sensor has become close due to the bending of the paper. A jammed paper detection device for a high-speed copying machine, characterized in that a jammed paper detection device for a high-speed copying machine is characterized in that a jam is determined by detecting a change in level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13948685U JPS6247556U (en) | 1985-09-13 | 1985-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13948685U JPS6247556U (en) | 1985-09-13 | 1985-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247556U true JPS6247556U (en) | 1987-03-24 |
Family
ID=31045435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13948685U Pending JPS6247556U (en) | 1985-09-13 | 1985-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294505A (en) * | 1992-04-17 | 1993-11-09 | Fuji Photo Film Co Ltd | Jamming detection device for automatic paper sheet feeding device |
-
1985
- 1985-09-13 JP JP13948685U patent/JPS6247556U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294505A (en) * | 1992-04-17 | 1993-11-09 | Fuji Photo Film Co Ltd | Jamming detection device for automatic paper sheet feeding device |
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