JPH02120456U - - Google Patents
Info
- Publication number
- JPH02120456U JPH02120456U JP3015289U JP3015289U JPH02120456U JP H02120456 U JPH02120456 U JP H02120456U JP 3015289 U JP3015289 U JP 3015289U JP 3015289 U JP3015289 U JP 3015289U JP H02120456 U JPH02120456 U JP H02120456U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- running
- ultrasonic
- running paper
- break
- 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 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
第１図および第２図は本考案の一実施例を示し
、第１図は超音波センサの設置状態を示す図、第
２図は装置全体の構成を示すブロツク図である。
１……走行紙、１ａ……紙面、Ｓ１〜Ｓｎ……
超音波センサ、Ｍ……超音波センサから紙面まで
の距離。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a diagram showing the installation state of an ultrasonic sensor, and FIG. 2 being a block diagram showing the configuration of the entire device. 1... Running paper, 1a... Paper surface, S 1 to S n ...
Ultrasonic sensor, M...Distance from the ultrasonic sensor to the paper surface.
Claims (1)
サを設け、これらの超音波センサから前記走行紙
の紙面に対して超音波を発することにより各超音
波センサから前記紙面までの距離を測定し、その
結果に基づいて前記走行紙における破断の有無を
検出するようにしたことを特徴とする走行紙破断
検出装置。 A plurality of ultrasonic sensors are provided along the running path of the running paper, and the distance from each ultrasonic sensor to the paper surface is measured by emitting ultrasonic waves from these ultrasonic sensors to the paper surface of the running paper. A running paper break detection device, characterized in that the presence or absence of a break in the running paper is detected based on the results.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3015289U JPH02120456U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3015289U JPH02120456U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02120456U true JPH02120456U (en) | 1990-09-28 |
Family
ID=31254963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3015289U Pending JPH02120456U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02120456U (en) |
-
1989
- 1989-03-16 JP JP3015289U patent/JPH02120456U/ja active Pending
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