JPH0269662U - - Google Patents
Info
- Publication number
- JPH0269662U JPH0269662U JP14901688U JP14901688U JPH0269662U JP H0269662 U JPH0269662 U JP H0269662U JP 14901688 U JP14901688 U JP 14901688U JP 14901688 U JP14901688 U JP 14901688U JP H0269662 U JPH0269662 U JP H0269662U
- Authority
- JP
- Japan
- Prior art keywords
- roll paper
- paper
- remaining amount
- detecting
- amount
- 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 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
第1図aおよびbは本考案に係る残量検知装置
とロール紙を示す斜視図、第2図は同じくロール
紙の残量検知装置におけるブロツク図、第3図お
よび第4図は本考案におけるロール紙の残量検知
を説明するための斜視図、第5図は従来のロール
紙の残量検知装置を示す斜視図である。
1……ロール紙、11……黒色マーク、12…
…実線、13……破線、14……光センサ。
1a and 1b are perspective views showing the remaining amount detection device and roll paper according to the present invention, FIG. 2 is a block diagram of the remaining amount detection device for roll paper, and FIGS. 3 and 4 are the same according to the present invention A perspective view for explaining the detection of the remaining amount of roll paper. FIG. 5 is a perspective view showing a conventional roll paper remaining amount detection device. 1... Roll paper, 11... Black mark, 12...
... solid line, 13 ... broken line, 14 ... optical sensor.
Claims (1)
を反射型の光センサによつて検出し、ロール紙の
残量を検知する装置であつて、前記ロール紙の黒
色マークを紙供給方向に連続して延在する実線と
砂線からなるマークによつて構成し、このマーク
の検出線長に対応する光反射量を測定する回路を
もつカウンタを前記光センサに接続したことを特
徴とするロール紙の残量検知装置。 A device that detects the remaining amount of the roll paper by detecting the black mark displayed on the end side edge of the roll paper using a reflective optical sensor, and the device detects the remaining amount of the roll paper by detecting the black mark displayed on the end side edge of the roll paper, and the device detects the remaining amount of the roll paper by continuously detecting the black mark on the roll paper in the paper feeding direction. A roll comprising a mark consisting of a solid line and a sand line extending in the same direction, and a counter having a circuit for measuring the amount of light reflection corresponding to the detection line length of the mark is connected to the optical sensor. Remaining paper amount detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14901688U JPH0269662U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14901688U JPH0269662U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0269662U true JPH0269662U (en) | 1990-05-28 |
Family
ID=31420857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14901688U Pending JPH0269662U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0269662U (en) |
-
1988
- 1988-11-17 JP JP14901688U patent/JPH0269662U/ja active Pending