JPH0230076U - - Google Patents
Info
- Publication number
- JPH0230076U JPH0230076U JP10833088U JP10833088U JPH0230076U JP H0230076 U JPH0230076 U JP H0230076U JP 10833088 U JP10833088 U JP 10833088U JP 10833088 U JP10833088 U JP 10833088U JP H0230076 U JPH0230076 U JP H0230076U
- Authority
- JP
- Japan
- Prior art keywords
- light
- signal
- output
- counting
- pulse signal
- 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
- 238000007493 shaping process Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Handling Of Sheets (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Controlling Sheets Or Webs (AREA)
Description
図面は本考案の一実施例を説明するためのもの
で、このうち第１図は受光センサのブロツク図、
第２図はこの受光センサでミシン目入りの連続用
紙を検出した場合の各部の波形変化を説明するた
めの説明図である。
１２……発光ダイオード、１３……フオトトラ
ンジスタ、１７……サンプリング回路、２１……
出力制御回路、３１……ミシン目。
The drawings are for explaining one embodiment of the present invention, of which Figure 1 is a block diagram of a light receiving sensor;
FIG. 2 is an explanatory diagram for explaining changes in waveforms at various parts when perforated continuous paper is detected by this light receiving sensor. 12... Light emitting diode, 13... Phototransistor, 17... Sampling circuit, 21...
Output control circuit, 31... perforation.
Claims (1)
出力される光を受光する受光素子と、 この受光素子の出力を２値化する信号整形手段
と、 この信号整形手段によつて整形された後の信号
が一方のレベルの間、一定周期でパルス信号を発
生させるパルス信号発生手段と、 このパルス信号発生手段から出力されるパルス
信号の連続する個数を計数する計数手段と、 この計数手段の計数値が所定の値以上のときセ
ンサ検出信号としてこれを出力する信号出力手段
とを具備することを特徴とする受光センサ。[Claims for Utility Model Registration] A light-emitting element; a light-receiving element arranged at a distance from the light-emitting element to receive light to be output; a signal shaping means for binarizing the output of the light-receiving element; A pulse signal generating means for generating a pulse signal at a constant period while the signal after being shaped by the signal shaping means is at one level, and counting the number of consecutive pulse signals output from the pulse signal generating means. 1. A light-receiving sensor comprising: a counting means that performs the following steps; and a signal output means that outputs the counted value as a sensor detection signal when the counted value of the counting means is equal to or greater than a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10833088U JPH0230076U (en) | 1988-08-19 | 1988-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10833088U JPH0230076U (en) | 1988-08-19 | 1988-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230076U true JPH0230076U (en) | 1990-02-26 |
Family
ID=31343558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10833088U Pending JPH0230076U (en) | 1988-08-19 | 1988-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230076U (en) |
-
1988
- 1988-08-19 JP JP10833088U patent/JPH0230076U/ja active Pending
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