Electronic power meter
First Claim
1. An electric power meter having a digital sampler for sampling a voltage and a current at a sampling point comprising:
- a processor coupled to said digital sampler and configured to execute a plurality of different tasks related to said sampled voltage and current and running independently from one another in response to a plurality of concurrent requests submitted by multiple users;
a memory coupled to said processor for storing network protocol conversion algorithms; and
a network interface configured to simultaneously provide said multiple users each with a result of a respective one of said plurality of different tasks;
wherein said processor performs at least one power calculation and converts at least one of the sampled voltage, the sampled current and the power calculation to at least one network protocol using one of said network protocol conversion algorithms, said at least one network protocol being provided through said network interface.
1 Assignment
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Reexamination
Accused Products
Abstract
An electric power meter having a digital sampler for sampling a voltage and a current at a sampling point and having a processor for processing at least one of the sampled voltage and the sampled current. A memory is provided for storing network protocol conversion algorithms. The electric utility power meter has a network interface. The processor performs at least one power calculation and converts at least one of the sampled voltage, the sampled current and the power calculation to at least one network protocol using said network protocol conversion algorithms, said at least one network protocol provided through said network interface.
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Citations
12 Claims
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1. An electric power meter having a digital sampler for sampling a voltage and a current at a sampling point comprising:
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a processor coupled to said digital sampler and configured to execute a plurality of different tasks related to said sampled voltage and current and running independently from one another in response to a plurality of concurrent requests submitted by multiple users;
a memory coupled to said processor for storing network protocol conversion algorithms; and
a network interface configured to simultaneously provide said multiple users each with a result of a respective one of said plurality of different tasks;
wherein said processor performs at least one power calculation and converts at least one of the sampled voltage, the sampled current and the power calculation to at least one network protocol using one of said network protocol conversion algorithms, said at least one network protocol being provided through said network interface. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electric power meter, comprising:
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a digital sampler for digitally sampling voltage and current;
a memory for storing said digitally sampled voltage and current;
at least one processor for performing power calculations on said digitally sampled voltage and current, and converting said calculations and said digitally sampled voltage and current into at least one network protocol, said at least one processor being configured to simultaneously execute a plurality of different tasks related to said stored voltage and current in response to a plurality of concurrent requests related to results of said different tasks and submitted by multiple users; and
a network interface for interfacing with an external network. - View Dependent Claims (8, 9, 10, 11, 12)
an external device interface for connecting an external device to said electric power meter, wherein said external device transmits packet data to said electric power meter to be processed by the processor and provided through said network interface.
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Specification