JPH0316630U - - Google Patents

Info

Publication number
JPH0316630U
JPH0316630U JP7846189U JP7846189U JPH0316630U JP H0316630 U JPH0316630 U JP H0316630U JP 7846189 U JP7846189 U JP 7846189U JP 7846189 U JP7846189 U JP 7846189U JP H0316630 U JPH0316630 U JP H0316630U
Authority
JP
Japan
Prior art keywords
light
measured
receiving element
light receiving
optical path
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
JP7846189U
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 JP7846189U priority Critical patent/JPH0316630U/ja
Publication of JPH0316630U publication Critical patent/JPH0316630U/ja
Pending legal-status Critical Current

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  • Switches Operated By Changes In Physical Conditions (AREA)

Description

【図面の簡単な説明】
第1図はこの考案に係る三角測距式光電スイツ
チの構成を示した説明図、第2図は従来スイツチ
の構成を示す説明図、第3図は従来スイツチにお
いて鏡面をした測距対象物の変位を測定する場合
の説明図である。 1…投光素子、2…投光用レンズ、3…受光用
レンズ、4…受光素子、5…偏光フイルタ、6…
偏光フイルタ、7…測距対象物、O…中心点、P
…重心位置、Q…重心位置。

Claims (1)

    【実用新案登録請求の範囲】
  1. 投光素子から測距対象物に照射された光線ビー
    ムの反射光を受光素子上に集光させ、受光素子上
    の光量分布の重心位置変化量から測距対象物の変
    位量を検出する三角測距式光電スイツチにおいて
    、投光素子から測距対象物までの光路および測距
    対象物から受光素子までの光路上に偏光方向が互
    いに直交する偏光フイルタをそれぞれ配置したこ
    とを特徴とする三角測距式光電スイツチ。
JP7846189U 1989-07-03 1989-07-03 Pending JPH0316630U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7846189U JPH0316630U (ja) 1989-07-03 1989-07-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7846189U JPH0316630U (ja) 1989-07-03 1989-07-03

Publications (1)

Publication Number Publication Date
JPH0316630U true JPH0316630U (ja) 1991-02-19

Family

ID=31621754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7846189U Pending JPH0316630U (ja) 1989-07-03 1989-07-03

Country Status (1)

Country Link
JP (1) JPH0316630U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001181438A (ja) * 1999-12-24 2001-07-03 Achilles Corp スポンジクリーナー
JP2003102442A (ja) * 2001-09-27 2003-04-08 Nhk Spring Co Ltd 吸・排水体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001181438A (ja) * 1999-12-24 2001-07-03 Achilles Corp スポンジクリーナー
JP2003102442A (ja) * 2001-09-27 2003-04-08 Nhk Spring Co Ltd 吸・排水体

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