JPS5812547U - Paper detection device - Google Patents
Paper detection deviceInfo
- Publication number
- JPS5812547U JPS5812547U JP10626581U JP10626581U JPS5812547U JP S5812547 U JPS5812547 U JP S5812547U JP 10626581 U JP10626581 U JP 10626581U JP 10626581 U JP10626581 U JP 10626581U JP S5812547 U JPS5812547 U JP S5812547U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- light
- receiving elements
- detection device
- output
- 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図は本考案に係る用紙給送装置の電気的ブ、ロック
図、第２図は検出器の配設状態を示す正面図、第３図は
用紙の正面図、第４図は主要信号を示す波形図であり、
第５図は従来例における給送例を示す説明図であり、
図中２は用紙、２ａは用紙端、３はマーカとしての小孔
、７は検出器、８，９は受光素子としてのホトトランジ
スタ、１０は発光素子としての発光ダイオード、１１は
比較判別回路、ｓｓ、、 ｓｓ２は検出信号、Ｏ８は出
力信号である。
ｉ、・０ ：
儂
一′：
； （Ｏ５；Fig. 1 is an electrical block diagram of the paper feeding device according to the present invention, Fig. 2 is a front view showing the arrangement of the detector, Fig. 3 is a front view of the paper, and Fig. 4 is the main signal. is a waveform diagram showing
FIG. 5 is an explanatory diagram showing an example of feeding in a conventional example. In the figure, 2 is paper, 2a is the paper edge, 3 is a small hole as a marker, 7 is a detector, and 8 and 9 are photo detectors as light receiving elements. A transistor, 10 is a light emitting diode as a light emitting element, 11 is a comparison/discrimination circuit, ss, ss2 is a detection signal, and O8 is an output signal. i,・0: 傂一′: ; (O5;
Claims (1)
受光素子と、前記両受光素子から等距離の位置に設けら
れた発光素子とよりなり、用紙端あるいは用紙上のマー
カーを検出し、両受光素子−に対応する二つの検出借受
を出力する検出器と、前記雨検出信号が入力され、両信
号の電圧差を基準電圧と比較し、前記電圧差が基準電圧
以上のとき出力信号を出力する比較判別回路とよりなる
用紙検出装置。 、It consists of two light-receiving elements arranged at a predetermined interval in the paper feeding direction and a light-emitting element provided at a position equidistant from both light-receiving elements, and detects the edge of the paper or a marker on the paper, A detector outputting two detection signals corresponding to both light receiving elements and the rain detection signal are inputted, the voltage difference between both signals is compared with a reference voltage, and when the voltage difference is greater than or equal to the reference voltage, an output signal is output. A paper detection device consisting of an output comparison/discrimination circuit. ,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10626581U JPS5812547U (en) | 1981-07-16 | 1981-07-16 | Paper detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10626581U JPS5812547U (en) | 1981-07-16 | 1981-07-16 | Paper detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5812547U true JPS5812547U (en) | 1983-01-26 |
Family
ID=29900769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10626581U Pending JPS5812547U (en) | 1981-07-16 | 1981-07-16 | Paper detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5812547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529255A (en) * | 1978-08-19 | 1980-03-01 | Denki Onkyo Co Ltd | Fly-back transformer |
| JPS607085U (en) * | 1983-06-24 | 1985-01-18 | 松尾電機株式会社 | Mark detection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413735U (en) * | 1977-06-29 | 1979-01-29 |
-
1981
- 1981-07-16 JP JP10626581U patent/JPS5812547U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413735U (en) * | 1977-06-29 | 1979-01-29 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529255A (en) * | 1978-08-19 | 1980-03-01 | Denki Onkyo Co Ltd | Fly-back transformer |
| JPS607085U (en) * | 1983-06-24 | 1985-01-18 | 松尾電機株式会社 | Mark detection device |
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