2022
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Invention
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System and method for electric meter outage time detection.
A method identifies a duration of po... |
2020
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Invention
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Device and method for data preservation and power loss recovery in an electric meter. An electric... |
2019
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Invention
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Detection of deteriorated electrical connections in a meter using temperature sensing and time va... |
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Invention
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Method for detecting a meter maintenance condition using winding resistance. A method determines ... |
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Invention
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System and method for electric meter outage time detection. A method identifies a duration of pow... |
2018
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Invention
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Wide range power supply for use in meters and other devices. A power conversion arrangement inclu... |
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Invention
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Electric meter contact arc detector employing dual-purposed inductive components. An electricity ... |
2017
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Invention
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Method and system for hot socket detection and tampering detection in a utility meter. A fault de... |
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Invention
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System and method for filtering harmonic frequencies in an electrical energy meter. An electrical... |
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Invention
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Detection of deteriorated electrical connections in a meter using temperature sensing and time-va... |
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Invention
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Detection of deteriorated electrical connections in a meter using adjusted temperature sensing. A... |
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Invention
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Method and system for hot socket detection in a utility meter. An arrangement for use in a utilit... |
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Invention
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Load-side sense with floating ground reference. An electricity meter includes a disconnect switch... |
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Invention
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External access to meter display.
A utility meter comprises a measurement circuit configured to ... |
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Invention
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Self-shielded di/dt transformer for a meter. A sensor includes a core, first and second windings,... |
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Invention
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Detecting current measurement tampering by current transformer parallel impedance. A method detec... |
2016
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Invention
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Method and arrangement for electrical service disconnect. An electrical utility meter includes me... |
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Invention
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Method and arrangement for detecting a meter maintenance condition using winding resistance. A me... |
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Invention
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Temperature profiling in an electricity meter.
An arrangement includes a plurality of electricit... |
2015
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Invention
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Arrangement for detecting a meter maintenance condition using winding resistance. An arrangement ... |
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Invention
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Utility meter having data logging with power loss recovery. A method for storing information with... |
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Invention
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Magnetic tampering detection and correction in a utility meter. An arrangement for use in an elec... |
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Invention
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Voltage booster for utility meter. A utility meter configured for connection to an AC power line ... |
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Invention
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Method and apparatus for detecting and compensating measurement errors due to transformer saturat... |
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Invention
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Electronic meter seal arrangement and method. A method is used in a utility meter having an arm b... |
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Invention
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Cover removal switch having lever-arm. A meter cover removal detection arrangement includes a swi... |
2014
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Invention
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Load side voltage sensing for utility meter. An arrangement for use in a utility meter includes a... |
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Invention
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Method and apparatus for offline switch mode power supply with dithered switching frequency. A ci... |
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Invention
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Service switch with high current arc protection. An arrangement for use in a utility meter includ... |
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Invention
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Fault tolerant service switch operation in a utility meter. A method for controllably disconnecti... |
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Invention
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Apparatus and method for measuring real time clock accuracy in an electricity meter. An arrangeme... |
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Invention
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Method for improving common mode rejection in a rogowski coil-based circuit. A sensor includes a ... |
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Invention
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Electronic tamper detection in a utility meter using magnetics. An arrangement for use in a utili... |
2013
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Invention
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Electricity meter isolated physical layer ethernet interface. A metering arrangement includes at ... |
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Invention
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Element resistance measurement in an electricity meter. A method measures a resistance of an elem... |
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Invention
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Magnetic tampering detection in a utility meter. A method of detecting a magnetic coupling in a m... |