JPS58138895U - Optical safety device - Google Patents
Optical safety deviceInfo
- 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
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
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57136600U (en) * | 1981-02-17 | 1982-08-26 |
-
1982
- 1982-03-16 JP JP3592582U patent/JPS58138895U/en active Granted
Patent Citations (1)
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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