JPH02129808U - - Google Patents
Info
- Publication number
- JPH02129808U JPH02129808U JP3913589U JP3913589U JPH02129808U JP H02129808 U JPH02129808 U JP H02129808U JP 3913589 U JP3913589 U JP 3913589U JP 3913589 U JP3913589 U JP 3913589U JP H02129808 U JPH02129808 U JP H02129808U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic sensor
- web
- diameter
- measured
- roll paper
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 2
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Replacement Of Web Rolls (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図〜第３図は本考案の一実施例を示し、第
１図は巻取紙の径検出機構の要部を示す図、第２
図は移動センサの動作を説明する図、第３図は前
記巻取紙の径検出機構の制御関係を示すブロツク
図である。第４図Ａ，Ｂは従来例を示す説明図で
ある。
６……巻取紙、６ａ……表面、８……巻取紙、
１９……超音波センサ、ｈ……巻取紙表面と超音
波センサとの距離。
1 to 3 show an embodiment of the present invention, FIG. 1 is a diagram showing the main part of the roll diameter detection mechanism, and FIG.
FIG. 3 is a diagram for explaining the operation of the movement sensor, and FIG. 3 is a block diagram showing the control relationship of the roll paper diameter detection mechanism. FIGS. 4A and 4B are explanatory diagrams showing a conventional example. 6... Rolling paper, 6a... Surface, 8... Rolling paper,
19...Ultrasonic sensor, h...Distance between the web surface and the ultrasonic sensor.
Claims (1)
に設け、この超音波センサを前記巻取紙表面に対
して最短となる位置に移動し、この位置において
前記超音波センサによつて前記巻取紙までの距離
を測定し、これに基づいて当該巻取紙の径を測定
するようにしたことを特徴とする巻取紙の径検出
機構。 One ultrasonic sensor is movably provided with respect to the web, and this ultrasonic sensor is moved to a position where it is the shortest to the surface of the web, and at this position, the distance to the web is measured by the ultrasonic sensor. 1. A diameter detection mechanism for a roll paper, characterized in that the diameter of the roll paper is measured based on the measured diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3913589U JPH02129808U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3913589U JPH02129808U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02129808U true JPH02129808U (en) | 1990-10-25 |
Family
ID=31547772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3913589U Pending JPH02129808U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02129808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466140U (en) * | 1990-10-09 | 1992-06-10 | ||
| JPH04276510A (en) * | 1991-03-05 | 1992-10-01 | Daiwa Seiko Inc | Apparatus for measuring length of fishline for fishing reel |
-
1989
- 1989-03-31 JP JP3913589U patent/JPH02129808U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466140U (en) * | 1990-10-09 | 1992-06-10 | ||
| JPH04276510A (en) * | 1991-03-05 | 1992-10-01 | Daiwa Seiko Inc | Apparatus for measuring length of fishline for fishing reel |