Physical condition monitoring system for detection in remote places
First Claim
1. A monitoring system comprising:
- a constant voltage power source,a circuit means connected to said power source for generating detection mode alternation signals,an AND means having first and second input terminals, means applying said detection mode alternation signals to said first input terminal,a display portion coupled to the output of said AND means,a receiving means comprising a switching means connected to said power source, said switching means having a control terminal, the output terminal of said switching means being connected to the second input terminal of said AND means,a detecting means connected to said power source for detecting a predetermined physical quantity through the electrical power of said power source, anda detection device connected to said detecting means and having an output control means with an output control terminal, said detection device being connected to apply an output corresponding to the physical quantity detected by said detecting means on the control terminal of said switching means, the output control terminal of said output control means being connected to receive the output of said detection mode alternation signal generation means.
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Accused Products
Abstract
A monitoring system having physical condition detectors arranged at places remote from a central receiving device so as to detect changes in the physical condition of a matter to be observed such as temperature, light and smoke. The central receiving device impresses detection mode signals on the output portions of detectors to control the outputs thereof. When said receiving device receives an output fed from said detectors by one of detection mode signals, said receiving device displays a physical condition of matter responding to the detection mode signal, thereby enabling the physical condition of matter to be continuously observed responding to detection mode signals and according to the lapse of time.
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Citations
4 Claims
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1. A monitoring system comprising:
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a constant voltage power source, a circuit means connected to said power source for generating detection mode alternation signals, an AND means having first and second input terminals, means applying said detection mode alternation signals to said first input terminal, a display portion coupled to the output of said AND means, a receiving means comprising a switching means connected to said power source, said switching means having a control terminal, the output terminal of said switching means being connected to the second input terminal of said AND means, a detecting means connected to said power source for detecting a predetermined physical quantity through the electrical power of said power source, and a detection device connected to said detecting means and having an output control means with an output control terminal, said detection device being connected to apply an output corresponding to the physical quantity detected by said detecting means on the control terminal of said switching means, the output control terminal of said output control means being connected to receive the output of said detection mode alternation signal generation means. - View Dependent Claims (2, 3, 4)
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Specification