JPH0193508U

JPH0193508U -

Info

Publication number: JPH0193508U
Application number: JP19020487U
Authority: JP
Priority date: 1987-12-15
Filing date: 1987-12-15
Publication date: 1989-06-20

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の浮遊容量を含んだ回
路図、第２図は同上の動作説明用のタイムチヤー
ト、第３図は従来の光電スイツチの受光部の回路
構成図、第４図は複数の受光素子を用いた別の従
来の光電スイツチの受光部の回路構成図、第５図
は従来例の受光信号選択回路の回路図、第６図は
同上の動作説明用の浮遊容量を含んだ回路図、第
７図は同上の動作説明用のタイムチヤートである
。Ｃ_１〜Ｃｎ……アナログメモリ素子、Ｓ_１〜Ｓ
ｎ，Ｓｒ……スイツチ、ＡＰ……バツフアアンプ
である。 Fig. 1 is a circuit diagram including stray capacitance of an embodiment of the present invention, Fig. 2 is a time chart for explaining the operation of the same, Fig. 3 is a circuit diagram of the light receiving section of a conventional photoelectric switch, and Fig. 4 5 is a circuit diagram of the light receiving section of another conventional photoelectric switch using a plurality of light receiving elements, FIG. 5 is a circuit diagram of a conventional light receiving signal selection circuit, and FIG. The included circuit diagram, FIG. 7, is a time chart for explaining the operation of the same. C ₁ -Cn...analog memory element, S ₁ -S
n, Sr...switch, AP...buffer amplifier.

補正昭６３．３．４実用新案登録請求の範囲を次のように補正する
。Amendment March 4, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】複数の受光素子と、各受光素子に対応して設け
られ受光素子からの信号電流を電圧変換した後、
ＡＣ―ＤＣ変換を施した電圧信号を蓄えた複数の
アナログメモリ素子と、各アナログメモリ素子に
対応して設けられ対応するアナログメモリ素子に
一端を直列接続するとともに他端を共通接続した
複数のスイツチと、該スイツチの共通接続点と、
各アナログメモリ素子の他端を共通接続した点と
の間に別のスイツチを挿入し、対応するアナログ
メモリ素子に一端を直列接続した上記スイツチを
選択投入することにより当該アナログメモリ素子
に対応する電圧信号を出力することを特徴とする
光電スイツチの受光信号選択回路。[Scope of Utility Model Registration Claim] A plurality of light receiving elements and a signal current provided corresponding to each light receiving element and after converting the signal current from the light receiving element into voltage,
A plurality of analog memory elements that store voltage signals subjected to AC-DC conversion, and a plurality of switches that are provided corresponding to each analog memory element and have one end connected in series to the corresponding analog memory element and the other end connected in common. and a common connection point of the switch,
By inserting another switch between the point where the other ends of each analog memory element are connected in common, and selectively turning on the above switch whose one end is connected in series to the corresponding analog memory element, the voltage corresponding to the analog memory element is applied. A light receiving signal selection circuit for a photoelectric switch characterized by outputting a signal.

Claims

[Scope of utility model registration request]

After converting the signal current from the plurality of light-receiving elements and the light-receiving element provided corresponding to each light-receiving element into voltage,
A plurality of analog memory elements that store voltage signals subjected to AC-DC conversion, and a plurality of switches that are provided corresponding to each analog memory element and have one end connected in series to the corresponding analog memory element and the other end connected in common. , insert another switch between the common connection point of the switch and the point where the other end of each analog memory element is commonly connected, and select and turn on the above switch whose one end is connected in series to the corresponding analog memory element. 1. A light reception signal selection circuit for a photoelectric switch, which outputs a voltage signal corresponding to the analog memory element.