JPS58138895U - Optical safety device - Google Patents

Optical safety device

Info

Publication number
JPS58138895U
JPS58138895U JP3592582U JP3592582U JPS58138895U JP S58138895 U JPS58138895 U JP S58138895U JP 3592582 U JP3592582 U JP 3592582U JP 3592582 U JP3592582 U JP 3592582U JP S58138895 U JPS58138895 U JP S58138895U
Authority
JP
Japan
Prior art keywords
light
safety device
receiving elements
receiving
predetermined number
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
JP3592582U
Other languages
Japanese (ja)
Other versions
JPH0419279Y2 (en
Inventor
實井　来三郎
Original Assignee
国際制御株式会社
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 by 国際制御株式会社 filed Critical 国際制御株式会社
Priority to JP3592582U priority Critical patent/JPS58138895U/en
Publication of JPS58138895U publication Critical patent/JPS58138895U/en
Application granted granted Critical
Publication of JPH0419279Y2 publication Critical patent/JPH0419279Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案による安全装置の回路構成及び第２図は
本考案の別の実施例を示す。 ２・・・比較回路。FIG. 1 shows the circuit configuration of a safety device according to the present invention, and FIG. 2 shows another embodiment of the present invention. 2... Comparison circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 投光部からの入射光を感知するために配街れた複数個の
受光素子と、これらの受光素子のそれぞれの受光出力信
号を入力とする加算回路と、その加算出力と所定数の受
光出力信号に対応する基準レベルとを比較する比較回路
とを有することにより、入射光のしゃ断された受光素子
の数が所定数に達すると警報信号が発せられることを特
徴とする光線式安全装置。A plurality of light-receiving elements arranged in order to sense the incident light from the light projector, an adder circuit that receives the light-receiving output signals of each of these light-receiving elements, and the addition output and a predetermined number of light-receiving outputs. 1. A light beam safety device comprising a comparison circuit that compares the signal with a corresponding reference level so that an alarm signal is emitted when the number of light-receiving elements whose incident light is cut off reaches a predetermined number.
JP3592582U 1982-03-16 1982-03-16 Optical safety device Granted JPS58138895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3592582U JPS58138895U (en) 1982-03-16 1982-03-16 Optical safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3592582U JPS58138895U (en) 1982-03-16 1982-03-16 Optical safety device

Publications (2)

Publication Number Publication Date
JPS58138895U true JPS58138895U (en) 1983-09-19
JPH0419279Y2 JPH0419279Y2 (en) 1992-04-30

Family

ID=30047386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3592582U Granted JPS58138895U (en) 1982-03-16 1982-03-16 Optical safety device

Country Status (1)

Country Link
JP (1) JPS58138895U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136600U (en) * 1981-02-17 1982-08-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136600U (en) * 1981-02-17 1982-08-26

Also Published As

Publication number Publication date
JPH0419279Y2 (en) 1992-04-30

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