JPS59175188U - paper detection device - Google Patents
paper detection deviceInfo
- Publication number
- JPS59175188U JPS59175188U JP6983083U JP6983083U JPS59175188U JP S59175188 U JPS59175188 U JP S59175188U JP 6983083 U JP6983083 U JP 6983083U JP 6983083 U JP6983083 U JP 6983083U JP S59175188 U JPS59175188 U JP S59175188U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting element
- detection device
- paper detection
- reflected
- 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
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a、 bは反射型センサ、透過型センサのそれ
ぞれ受光出力特性図、第2図は本考案に係るセンサの構
成を示す説明図、第3図は本考案の一実施例に係る用紙
検出回路図、第4図は第3図に示す回路の各部における
信号のタイミングチャートである。
2・・・・・・用紙搬送路、3・・・・・・受光素子、
4・・・・・・第1の発光素子、5・・・・・・第2の
発光素子、10・・・・・・検出回路。Figures 1a and b are light reception output characteristic diagrams of a reflective sensor and a transmissive sensor, respectively. Figure 2 is an explanatory diagram showing the configuration of the sensor according to the present invention. Figure 3 is a paper sheet according to an embodiment of the present invention. The detection circuit diagram, FIG. 4, is a timing chart of signals in each part of the circuit shown in FIG. 2... Paper transport path, 3... Light receiving element,
4...First light emitting element, 5...Second light emitting element, 10...Detection circuit.
Claims (1)
の発光素子とは発光印相が異なり且つ反射光を検知させ
るための第2の発光素子と、これら第1、第2の発光素
子の反射、透過光量を受光する単一の受光素子とを用紙
搬送路に設け、さらに基準信号と受光信号の組み合わせ
で用紙を検出する検出回路を設けたことを特徴とする用
紙検出装置。a first light emitting element for detecting transmitted light;
A second light-emitting element that has a different luminous phase from the light-emitting element and is used to detect reflected light, and a single light-receiving element that receives the amount of reflected and transmitted light from these first and second light-emitting elements. A paper detecting device, characterized in that it is provided in a conveyance path and further includes a detection circuit that detects paper based on a combination of a reference signal and a light reception signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6983083U JPS59175188U (en) | 1983-05-12 | 1983-05-12 | paper detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6983083U JPS59175188U (en) | 1983-05-12 | 1983-05-12 | paper detection device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59175188U true JPS59175188U (en) | 1984-11-22 |
Family
ID=30199978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6983083U Pending JPS59175188U (en) | 1983-05-12 | 1983-05-12 | paper detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59175188U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281846A (en) * | 1988-09-15 | 1990-03-22 | Brother Ind Ltd | Paper detecting device |
-
1983
- 1983-05-12 JP JP6983083U patent/JPS59175188U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281846A (en) * | 1988-09-15 | 1990-03-22 | Brother Ind Ltd | Paper detecting device |
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