Patent ID: 8854208
Filing Date: 2014-10-07
Classification: G01N,G01V,G05B,H05B,Y02B

Abstract:
1. A method of wirelessly detecting area changes, the method comprising: storing a plurality of predetermined thresholds in a memory, the plurality of predetermined thresholds comprising time of day, calendar day, and activity, wherein the activity is related to an estimated number of occupants within an area targeted by a wireless sensor; detecting a change in the area targeted by the wireless sensor; executing instructions stored in the memory, wherein execution of the instructions by a processor: wirelessly transmitting information indicating that the detected change meets the at least two thresholds to an associated controller, wherein the associated controller controls power usage of a device associated with the unmasked portion of the area targeted by the wireless sensor, based on the transmitted information; and detecting a change in levels of red-green-blue light in the targeted area, wherein the determination that the detected change meets the two applicable thresholds out of the plurality of predetermined thresholds include: