Patent ID: 9390600
Filing Date: 2016-07-12
CPC Classification: G08B,H04W

Claim Text:
1. A power state monitor comprising: one or more individual sensors and a centralized alarm device; wherein the power state monitor is adapted for use with one or more appliances; wherein each individual sensor is adapted to detect a light generated by a power indication light of an appliance selected from the one or more appliances; wherein each individual sensor communicates with the centralized alarm device; wherein each individual sensor communicates a first message when the power indication light of an appliance selected from the one or more appliances changes from dark to light; wherein each individual sensor communicates a second message when the power indication light of an appliance selected from the one or more appliances changes from light to dark; wherein the centralized alarm device monitors an elapsed time since a receipt of the first message for each individual sensor; wherein when the centralized alarm device determines that the elapsed time since the receipt of the first message from an individual sensor is greater than a previously determined threshold value, the centralized alarm generates a visual alarm, and an audible alarm.