JPH0295885U - - Google Patents

Info

Publication number
JPH0295885U
JPH0295885U JP11144889U JP11144889U JPH0295885U JP H0295885 U JPH0295885 U JP H0295885U JP 11144889 U JP11144889 U JP 11144889U JP 11144889 U JP11144889 U JP 11144889U JP H0295885 U JPH0295885 U JP H0295885U
Authority
JP
Japan
Prior art keywords
light
reflected
adjusting means
receiver
modulated
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.)
Granted
Application number
JP11144889U
Other languages
English (en)
Other versions
JPH0531584Y2 (ja
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 JP11144889U priority Critical patent/JPH0531584Y2/ja
Publication of JPH0295885U publication Critical patent/JPH0295885U/ja
Application granted granted Critical
Publication of JPH0531584Y2 publication Critical patent/JPH0531584Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る光電スイツチのふかん図
、第2図は他の実施例による同ふかん図、第3図
は動作説明を示す波形図である。 1……投光器。2……受光器。3……光学系。
4……壁面。D1,D2……発光素子。R1,R
2……受光素子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 投光器より発した光を物体で反射させ、この反
    射光を受光器で受光し、この受光量の変化を検出
    して信号を出す反射型光電スイツチおいて、投光
    器は、光学系の焦点もしくは焦点の近くに、互い
    に逆位相の変調光を発する2個の発光素子を配置
    し、これらの変調光を壁面等へ向けて投射するよ
    うにし、受光器は、壁面等で反射する前記変調光
    を受光し、この光が直流成分だけであるか、交流
    成分を含むのかを判別する手段により識別し、受
    光器の方向調整手段と発光素子の発光強度調整手
    段の少なくとも一方の調整手段を備え、受光状態
    を調整可能としたことを特徴とする反射型光電ス
    イツチ。
JP11144889U 1989-09-22 1989-09-22 Expired - Lifetime JPH0531584Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11144889U JPH0531584Y2 (ja) 1989-09-22 1989-09-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11144889U JPH0531584Y2 (ja) 1989-09-22 1989-09-22

Publications (2)

Publication Number Publication Date
JPH0295885U true JPH0295885U (ja) 1990-07-31
JPH0531584Y2 JPH0531584Y2 (ja) 1993-08-13

Family

ID=31349505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11144889U Expired - Lifetime JPH0531584Y2 (ja) 1989-09-22 1989-09-22

Country Status (1)

Country Link
JP (1) JPH0531584Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545463A (ja) * 1991-08-09 1993-02-23 Inax Corp 人体検知装置の検知距離設定方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003091784A (ja) * 2001-09-19 2003-03-28 Optex Co Ltd 多段式能動型赤外線センサ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545463A (ja) * 1991-08-09 1993-02-23 Inax Corp 人体検知装置の検知距離設定方法

Also Published As

Publication number Publication date
JPH0531584Y2 (ja) 1993-08-13

Similar Documents

Publication Publication Date Title
JPH0295885U (ja)
JPS59221610A (ja) 距離測定装置
JPH0317583U (ja)
JPH0314478U (ja)
JPH0454412A (ja) 光学式距離測定装置
JPH0336985U (ja)
JPH0380943U (ja)
JPS5866879A (ja) 反射型光電スイツチ
JPS6355629U (ja)
JPH0360994U (ja)
JPH0391988U (ja)
JPH0289622U (ja)
JPS6390331U (ja)
JPS62160382U (ja)
JPH01102710U (ja)
JPH0449893U (ja)
JPH0358837U (ja)
JPS63185517U (ja)
JPS6253375U (ja)
JPH0248852U (ja)
JPS6253417U (ja)
JPH0287343U (ja)
JPH0327308U (ja)
JPS63110994U (ja)
JPH01162651U (ja)