JPS59142848U - Photo sensor circuit - Google Patents
Photo sensor circuitInfo
- Publication number
- JPS59142848U JPS59142848U JP3550883U JP3550883U JPS59142848U JP S59142848 U JPS59142848 U JP S59142848U JP 3550883 U JP3550883 U JP 3550883U JP 3550883 U JP3550883 U JP 3550883U JP S59142848 U JPS59142848 U JP S59142848U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photo sensor
- sensor circuit
- optical output
- emitting
- 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図は本考案の一実施例によるフォトセンサ回路を示
す図であり、第2図は第1図の動作を示すタイムチャー
ト図である。第3図は本考案の他の実施例によるフォト
センサ回路を示す図である。
符号の説明、1及び26・・・ANDゲート、2・・・
8ビツトカウンタ、3・・・8ビツトDAコンバータ、
4・・・トランジスタ、5・・・センサ信号アンプ、6
・・・コンパレータ、7・・・フォトセンサ、8〜15
・・・抵抗、16・・・フリップフロップ、17・・・
電源、18・・・センサ出力信号、19・・・クロック
信号、20・・・設定開始信号、21・・・警告信号、
22・・・カウンタ入力信号、23・・・コンパレーク
入力信号、・24・・・カウンタホールド信号、26・
・・モノステーブルマルチバイブレータ、27・・・パ
ワーオン、リセット信号。FIG. 1 is a diagram showing a photosensor circuit according to an embodiment of the present invention, and FIG. 2 is a time chart showing the operation of FIG. 1. FIG. 3 is a diagram showing a photosensor circuit according to another embodiment of the present invention. Explanation of symbols, 1 and 26...AND gate, 2...
8-bit counter, 3...8-bit DA converter,
4...Transistor, 5...Sensor signal amplifier, 6
... Comparator, 7... Photo sensor, 8 to 15
...Resistance, 16...Flip-flop, 17...
Power supply, 18...Sensor output signal, 19...Clock signal, 20...Setting start signal, 21...Warning signal,
22...Counter input signal, 23...Comparator input signal, 24...Counter hold signal, 26.
... Monostable multivibrator, 27... Power on, reset signal.
Claims (1)
に於いて、受光素子の電気的出力を発光・ 素子側の
デジタルカウンタおよびDAコンバータより構成される
光出力保持回路にフィードバックし、任意の時期に光出
力を再設定できる回路を設けたことを特徴とするフォト
センサ回路。In a photosensor circuit consisting of a light-emitting element and a second light-receiving element, the electrical output of the light-receiving element is fed back to an optical output holding circuit consisting of a digital counter and a DA converter on the light-emitting/element side, and can be stored at any time. A photosensor circuit characterized by being provided with a circuit that can reset optical output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3550883U JPS59142848U (en) | 1983-03-14 | 1983-03-14 | Photo sensor circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3550883U JPS59142848U (en) | 1983-03-14 | 1983-03-14 | Photo sensor circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59142848U true JPS59142848U (en) | 1984-09-25 |
Family
ID=30166206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3550883U Pending JPS59142848U (en) | 1983-03-14 | 1983-03-14 | Photo sensor circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59142848U (en) |
-
1983
- 1983-03-14 JP JP3550883U patent/JPS59142848U/en active Pending
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