JPS6068726U

JPS6068726U - photoelectric switch

Info

Publication number: JPS6068726U
Application number: JP16108083U
Authority: JP
Inventors: 川端　勝男
Original assignee: 株式会社山武
Priority date: 1983-10-18
Filing date: 1983-10-18
Publication date: 1985-05-15

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

[Brief explanation of drawings]

第１図は従来の光電スイッチを示す平面図、第２図は表
示灯の動作特性図、第３図は表示灯の他の動作特性図、
第４図はこの考案＆乎おける光電スイッチの一実施例を
示す平面図、第５図はブロック図、第６図は表示灯の動
作特性図である。１・・・投光器、２・・・受光器、３・・・動作表示灯
、４・・・感度調整子、５・・・ディジタル表示器、１
１・・・発振回路、１２・・・発光回路、１３・・・発
光素子、２１・・・受光素子、２２・・・受光回路、２
３・・・増幅回路、２４・・・積分回路、２５・・・検
出回路、２６・・・出力回路、２７・・・アナログ／デ
ィジタル変換回路、２８・・・ディジタル表示回路。第５図第６図Fig. 1 is a plan view showing a conventional photoelectric switch, Fig. 2 is an operating characteristic diagram of an indicator lamp, Fig. 3 is another operating characteristic diagram of an indicator lamp,
FIG. 4 is a plan view showing an embodiment of the photoelectric switch according to the present invention, FIG. 5 is a block diagram, and FIG. 6 is a diagram showing the operating characteristics of the indicator light. 1... Emitter, 2... Light receiver, 3... Operation indicator, 4... Sensitivity adjuster, 5... Digital display, 1
DESCRIPTION OF SYMBOLS 1... Oscillation circuit, 12... Light emitting circuit, 13... Light emitting element, 21... Light receiving element, 22... Light receiving circuit, 2
3... Amplifying circuit, 24... Integrating circuit, 25... Detecting circuit, 26... Output circuit, 27... Analog/digital conversion circuit, 28... Digital display circuit. Figure 5 Figure 6

Claims

[Scope of utility model registration request]

A light emitting circuit 12 driven by the output of the oscillation circuit 11, a light emitting element 13 that generates modulated light by the output of this light emitting circuit, and a light receiving element 21 that receives light from the light emitting element.
and a light receiving circuit 2 driven by the output of this light receiving element.
2, and an amplifier circuit 2 that amplifies the output of this light receiving circuit.
3, an integrating circuit 24 that integrates the output of this amplifier circuit,
A detection circuit 25 that detects the output of this integration circuit, and an output circuit 26 that generates an output signal based on the output of this detection circuit.
A photoelectric switch comprising: an analog/digital conversion circuit 27 for converting the output of the integrating circuit 24 from analog to digital; and a digital display circuit 28 for digitally displaying the output of the conversion circuit.