JPS58187493U - Drum diameter change detection device - Google Patents
Drum diameter change detection deviceInfo
- Publication number
- JPS58187493U JPS58187493U JP8476282U JP8476282U JPS58187493U JP S58187493 U JPS58187493 U JP S58187493U JP 8476282 U JP8476282 U JP 8476282U JP 8476282 U JP8476282 U JP 8476282U JP S58187493 U JPS58187493 U JP S58187493U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- diameter
- detection device
- detection
- diameter change
- 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
- Handling Of Sheets (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図は本考案によるドラム径変化検出装置の一実施例
を示す図、第2図は第1図の検出機構の一例を示す図、
第3Niよび第4図は検出機構の他の実施例をそれぞれ
示す図である。
1・・・・・・ドラム、2・・・・・・用紙、3・・・
・・・プレート、4及び4′・・・・・・検出点、5・
・・・・・光学的検出機構、9・・・−・−機械的検出
機構、11・・・・・・電気的検出機構、20・・・・
・・回転角検出!JL−,3−0・・・・・・演算回路
。FIG. 1 is a diagram showing an embodiment of the drum diameter change detection device according to the present invention, FIG. 2 is a diagram showing an example of the detection mechanism of FIG. 1,
FIGS. 3 and 4 are diagrams showing other embodiments of the detection mechanism, respectively. 1...Drum, 2...Paper, 3...
...Plate, 4 and 4'...Detection point, 5.
...Optical detection mechanism, 9...-Mechanical detection mechanism, 11...Electrical detection mechanism, 20...
・Rotation angle detection! JL-, 3-0... Arithmetic circuit.
Claims (1)
ドラムの径変化を検出するドラム径変化検出装置におい
て、所定間隔で複数の検出点が設けられていると共にド
ラム上のシートにドラム円周方向に沿って巻付けられる
プレートと、前記ドラムの回転により移動するプレート
上の検出点を少なくとも2点検出するまでのドラム回転
角を検出する回転角検出機構と、前記回転角検出機構に
より得られた回転角と検出点間隔とドラム径を用いてシ
ートの巻付けにより変化したドラムの径を演算する演算
回路とを備えることを特徴とするドラム径変化検出装置
。In a drum diameter change detection device that detects changes in the diameter of a drum caused by a sheet wrapped around a cylindrical drum, a plurality of detection points are provided at predetermined intervals, and a plurality of detection points are provided on the sheet on the drum in the drum circumferential direction. a rotation angle detection mechanism that detects a drum rotation angle until detecting at least two detection points on the plate that moves as the drum rotates; and a rotation obtained by the rotation angle detection mechanism. What is claimed is: 1. A drum diameter change detection device comprising: an arithmetic circuit that calculates the diameter of the drum changed by winding a sheet using the angle, the detection point interval, and the drum diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8476282U JPS58187493U (en) | 1982-06-09 | 1982-06-09 | Drum diameter change detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8476282U JPS58187493U (en) | 1982-06-09 | 1982-06-09 | Drum diameter change detection device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58187493U true JPS58187493U (en) | 1983-12-13 |
Family
ID=30093688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8476282U Pending JPS58187493U (en) | 1982-06-09 | 1982-06-09 | Drum diameter change detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58187493U (en) |
-
1982
- 1982-06-09 JP JP8476282U patent/JPS58187493U/en active Pending
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