JPH0322433U - - Google Patents

Info

Publication number
JPH0322433U
JPH0322433U JP8214089U JP8214089U JPH0322433U JP H0322433 U JPH0322433 U JP H0322433U JP 8214089 U JP8214089 U JP 8214089U JP 8214089 U JP8214089 U JP 8214089U JP H0322433 U JPH0322433 U JP H0322433U
Authority
JP
Japan
Prior art keywords
light
level
difference
switch
outputs
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
JP8214089U
Other languages
English (en)
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 JP8214089U priority Critical patent/JPH0322433U/ja
Publication of JPH0322433U publication Critical patent/JPH0322433U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electronic Switches (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る遮光式スイツ
チの構成を示す断面図、第2図は第1図における
信号処理回路の回路構成図である。 1……筺体、2……透明ガラス板、3,4……
第1及び第2の光検出器、5,6……遮光筒、7
……遮光膜、8……基板、9……信号処理回路、
10……電池、11……レベル差検出回路、12
……レベル比較回路、13……スイツチ信号出力
端子。

Claims (1)

  1. 【実用新案登録請求の範囲】 所定距離離間して設けられた異なる入射光路を
    通して入射される光をそれぞれ検出するように配
    置され、光量に応じた信号を出力する第1及び第
    2の光検出器と、 これら第1及び第2の光検出手段の出力信号の
    差を検出し、その差に応じた信号を出力するレベ
    ル差検出回路と、 このレベル差検出回路の出力信号レベルと所定
    の基準レベルとを比較することにより、スイツチ
    信号を出力するレベル比較回路とを具備してなる
    ことを特徴とする遮光式スイツチ。
JP8214089U 1989-07-14 1989-07-14 Pending JPH0322433U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8214089U JPH0322433U (ja) 1989-07-14 1989-07-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8214089U JPH0322433U (ja) 1989-07-14 1989-07-14

Publications (1)

Publication Number Publication Date
JPH0322433U true JPH0322433U (ja) 1991-03-07

Family

ID=31628687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8214089U Pending JPH0322433U (ja) 1989-07-14 1989-07-14

Country Status (1)

Country Link
JP (1) JPH0322433U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62284521A (ja) * 1986-06-02 1987-12-10 Omron Tateisi Electronics Co 光電スイツチ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62284521A (ja) * 1986-06-02 1987-12-10 Omron Tateisi Electronics Co 光電スイツチ

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