System and method for identifying appliances by electrical characteristics
First Claim
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1. A method comprising:
- measuring, at first and second times, first and second electrical power signals of at least one electrical circuit;
frequency analyzing first and second electrical signals that are indicative of the measured first and second electrical power signals; and
identifying at least one change in operational state of at least one electrical appliance of the at least one electrical circuit based upon a difference in the first and second frequency analyzed electrical signals.
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Abstract
Illustrative embodiments provide systems, applications, apparatuses, computer software program products, and methods related to identification of electrical appliances by electrical characteristics.
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Citations
60 Claims
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1. A method comprising:
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measuring, at first and second times, first and second electrical power signals of at least one electrical circuit; frequency analyzing first and second electrical signals that are indicative of the measured first and second electrical power signals; and identifying at least one change in operational state of at least one electrical appliance of the at least one electrical circuit based upon a difference in the first and second frequency analyzed electrical signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method for monitoring electrical appliances, the method comprising:
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measuring, at first and second times, first and second electrical power signals of at least one electrical circuit; frequency analyzing first and second electrical signals that are indicative of the measured first and second electrical power signals; identifying at least one change in operational state of at least one electrical appliance of the at least one electrical circuit based upon a difference in the first and second frequency analyzed electrical signals; and monitoring the at least one change in operational state of at least one electrical appliance of the at least one electrical circuit. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. A method comprising:
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measuring, at first and second times, first and second electrical power signals of at least one electrical circuit; frequency analyzing first and second electrical signals that are indicative of the measured first and second electrical power signals; identifying at least one change in operational state of at least one electrical appliance of the at least one electrical circuit based upon a difference in the first and second frequency analyzed electrical signals; and identifying electrical appliances of the at least one electrical circuit based upon the difference in the first and second frequency analyzed electrical signals. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
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60-308. -308. (canceled)
Specification