Method and Apparatus for an Electric Meter
First Claim
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1. A method of processing and acquiring data comprising:
- executing a sampling and storing interrupt procedure that includes a microcomputer (MCU) sampling and storing a group of external analog signals and storing as digital data in a memory buffer;
executing a processing interrupt procedure on at least some of the stored digital data; and
the MCU performing less time dependent processing tasks on the sampled data stored in the memory buffer.
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Abstract
An improved meter and its operation is described. The meter can be a part of a larger automated meter reading process that allows for remote reading of the meter though power line communication. Using a microcomputer core, the meter processes incoming analog data and can calculate several relevant data values need by utility providers. The meter can also be used to monitor and detect tampering dry connect/voltage free devices, such as gas and water meters, connected to the meter.
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Citations
24 Claims
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1. A method of processing and acquiring data comprising:
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executing a sampling and storing interrupt procedure that includes a microcomputer (MCU) sampling and storing a group of external analog signals and storing as digital data in a memory buffer; executing a processing interrupt procedure on at least some of the stored digital data; and the MCU performing less time dependent processing tasks on the sampled data stored in the memory buffer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer-readable storage medium containing instructions for a microcomputer (MCU) comprising:
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a sampling and storing interrupt procedure that includes a microcomputer (MCU) sampling and storing a group of external analog signals and storing as digital data in a memory buffer; a processing interrupt procedure on at least some of the stored digital data; and other procedures for the MCU performing less time dependent processing tasks on the sampled data stored in the memory buffer. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification