Patent ID: 8441373
Filing Date: 2013-05-14
Classification: G01D,H04Q,Y02B,Y04S

Abstract:
1. A method of measuring utility usage, the method comprising: receiving pulses from a utility meter, wherein the pulses are emitted dependent on usage of a utility measured by the utility meter; counting a first number of the pulses emitted during a first period of time; determining a first usage of the utility by a device during the first period of time by communicating with the device; counting a second number of the pulses emitted during a second period of time; determining a second usage of the utility by the device during the second period of time by communicating with the device; and calculating a usage per pulse based on a difference in the first usage and the second usage, and a difference in the first number of the pulses and the second number of the pulses; wherein the device is in a different state during the first period of time than during the second period of time.