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
Application number
JP10833088U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10833088U priority Critical patent/JPH0230076U/ja
Publication of JPH0230076U publication Critical patent/JPH0230076U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Handling Of Sheets (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Controlling Sheets Or Webs (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 発光素子と、 この発光素子と間隔を置いて配置されこれから
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.
JP10833088U 1988-08-19 1988-08-19 Pending JPH0230076U (en)

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)

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