Micro Weiss Electronics

Gerald T Bodner

John M Weiss

A system for detecting the existence of a hazardous condition in an area includes a number of battery-powered detecting units whereby each detecting unit is respectively located within a zone within the area and each detecting unit includes a sensing circuit, a battery level monitoring circuit and a transmitting circuit. The sensing circuit senses the existence of a hazardous condition within that respective zone and generates a hazardous condition alert signal in response thereto. The battery level monitoring circuit monitors the level of the battery powering the detecting unit and generates a battery status signal when the battery is at an acceptable level. The transmitting circuit transmits the hazardous condition alert signal and/or the battery status signal. The system also includes a receiving unit which is responsive to the detecting units and includes a receiving circuit, a battery status indicating circuit and a hazard condition alert circuit. The receiving circuit receives the hazardous condition alert signals and/or the battery status signals. The battery status indicating circuit is responsive to the battery status signals and includes a number of visual indicators, corresponding to the number of detecting units, which are respectively responsive to the battery status signals such that each indicator provides a first visual indication when the respective battery status signal corresponding thereto is received and a second visual indication when the respective battery status signal is not received. The hazardous condition alert circuit is responsive to the hazardous condition alert signals such that the alert circuit respectively activates the visual indicators corresponding to one of the detecting units when an alert signal is received therefrom. The battery status signals are preferably periodically transmitted by the detecting units to the receiving unit.

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Manhasset, NY, United States of America

Gerald T Bodner