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8847777 Voltage supply droop detector  
A built-in self-test (BIST) circuit for detecting power supply droops is disclosed. In one embodiment, the BIST circuit includes a transition circuit configured to launch logical signals into a...
8803533 Noncontact determination of interface trap density for semiconductor-dielectric interface structures  
Embodiments of the subject method and apparatus relate to a sequence of noncontact Corona-Kelvin Metrology that allows the determination and monitoring of interface properties in dielectric/wide...
8575916 Method, system, and apparatus for detecting an arc event using breaker status  
A power equipment protection system includes a first circuit monitoring device configured to monitor a first circuit, a second circuit monitoring device configured to monitor a second circuit that...
8531175 Monitoring device for an electric power system  
A monitoring device for an electric power system includes a detection unit and a display unit. The detection unit has a power module, a current detecting module and a transmission module. The power...
8513941 Power detection regulation device  
A power detection regulation device including a power detection signal generator, a power state detector and a regulated output unit is disclosed. The power detection signal generator receives the...
8493053 System and device for measuring voltage in a conductor  
A system and device for measuring voltage in a conductor having a voltage provides a first electrode surrounding and spaced from the conductor, and a second electrode surrounding and spaced from...
8461861 Energy usage monitor for a household appliance  
An energy usage monitor for a household appliance, and a method of monitoring energy usage of a household appliance, are provided. The system and method include a system and an energy usage monitor...
8421439 Current detecting and indicating device  
A current detecting and indicating device includes a detection unit and a display unit. The detection unit has a power module, a current detecting module, a multiplexer module and a transmission...
8410772 Bias circuit generating bias from supply and threshold voltages  
A bias circuit generates a bias voltage. The bias circuit includes a first, a second, and a third detection circuit and a summing circuit. The first detection circuit generates a first...
8395389 Lamp with metering device  
A generator generates electricity by non-combustion means. A battery stores the generated electricity. An electrical appliance is powered by the stored electricity. A metering device tallies an...
8194076 Auto-scaling strip chart  
Systems and methods are disclosed for displaying a strip chart on an electronic display. A furthest extremum value of the measured quantity is recorded over a period of time and a plurality of...
8164480 Remote module for utility meters  
The present invention relates to a remote display module (RDM) for display a resource consumption value synchronized with a resource consumption value indicated by a meter metering resource...
8159210 System for automatically detecting power system configuration  
There is disclosed a method of detecting the configuration of a network having a feeder line with a plurality of feeder meters and distribution transformer meters (DTMs) coupled thereto and with...
8004271 Self contained kilowatt-hour meter integral to standard load center  
The present invention relates generally to a load center. More particularly, the invention encompasses a self contained kilowatt-hour meter which is integral to a standard load center. The present...
8004527 Self-centering zoom bar graph  
A self-centering zoom system includes a display device to indicate a measured quantity, and first and second bar graphs displayed on the display device. The first bar graph displays both a current...
7940039 Transformer meter and system for using same  
A meter for recording voltage and current on a transformer has current sensors positioned on a housing such that the meter can be mounted to the terminals of the transformer. The device also...
7899630 Metering device with control functionality and method thereof  
A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes...
7898261 Lamp with metering device  
A lamp includes a generator that generates electricity. A battery stores the generated electricity. A light source produces light from the stored electricity. A metering device tallies an operating...
7782226 Communication nodes for use with a wireless ad-hoc communication network  
Communication nodes for use with a wireless ad-hoc communication network are disclosed. In an embodiment of the present invention, the communication node comprises a transducer, which generates a...
7723992 Detector for an ultraviolet lamp system and a corresponding method for monitoring microwave energy  
A detector for an ultraviolet lamp system of the type having a microwave generator includes a first circuit that is configured to detect the microwave energy generated from the microwave generator....
7667482 Inductively powered power bus apparatus  
An apparatus for a power bus includes an inductive power harvesting unit structured to provide a first power output arising from current flowing in the power bus, an energy storage unit structured...
7656148 Over-power detector  
An over-power detector for detecting an over-power condition of an electronic apparatus powered by power from an AC power source. The over-power detector includes an over-current detector for...
7609051 Energy metering system  
An energy consumption meter includes a first input for providing a first input signal derived from a voltage, a first analog-to-digital (A/D) converter electrically connected to the first input to...
7590499 Recording and conveying energy consumption and power information  
Aspects of the invention provide apparatuses, methods, and systems that support measuring and conveying energy consumption by an electrical device. An apparatus includes an energy sensor that...
7486082 Anomaly detection in inverter system  
An inverter system which converts DC input into AC output and supplies the AC output to a load such as an FL tube detects change in a circuit current due to anomaly such as discharge without...
7397389 System and method for retrofitting utility meter reading modules  
The system and methods of the present invention generally include retrofitting at least one shrouding device that is associated with a meter reading module drive shaft that operates within a meter...
7359809 Electricity metering with a current transformer  
The data storage and processing resources required for an electric meter are reduced by basing the selection and application of phase error correction on a root mean square load current flowing...
7337081 Metering device with control functionality and method thereof  
A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes...
7309979 Utility services usage and demand reporting system  
An electric power usage and reporting system for collecting electric power demand readings from multiple properties which may be either commonly owned or leased by the same company, processing the...
7276915 Electrical service monitoring system  
A system and method that allows a consumer to monitor the electrical power usage in a residence is disclosed. The electrical use may be monitored at the service level, the circuit level, or at the...
7215109 Electric power usage and demand reporting system  
An electric power usage and reporting system for collecting electric power demand readings from multiple properties which may be either commonly owned or leased by the same company, processing the...
7061225 Apparatus and method thereof for measuring output current from primary side of power converter  
An apparatus and method thereof for measuring an output current from a primary side of a power converter are provided. A peak detector is designed to sample a peak value of a converted voltage of a...
7005844 Measuring circuit arrangement for electricity meters for direct connection  
A measuring circuit arrangement (1) for an electricity meter for direct connection is respectively connected, to an input (3) for voltage measurement and an input (4) for current measurement of a...
6987824 Method and system for clock/data recovery for self-clocked high speed interconnects  
A method and system is provided for clock/data recovery for self-clocked high speed interconnects. A data signal is received and then equalized. The equalized data signal then provides the trigger...
6975951 Meter apparatus and method for phase angle compensation employing linear interpolation of digital signals  
A method compensates for phase differences between sampled values of first and second AC waveforms. The method employs a phase angle compensation factor and sequentially samples a plurality of...
6972555 Electronic electricity meter having configurable contacts  
A three-phase electronic electricity meter that includes configurable voltage sensing blades such that the electricity meter can be configured for use with various electrical service types. The...
6972556 System and method for measuring the power consumed by a circuit on a printed circuit board  
A system for measuring power of a circuit on a printed circuit board (PCB) including first and second circuits, a power strip, a power plane, and a calibration strip. The power strip is connected...
6927563 Method and device for current value determination using a current transformer which operates in the core saturation region  
The invention relates to a method for determining a value of a current using a current transformer that operates in the core saturation region. A peak value detector determines a peak value of one...
6906507 Electronic revenue meter with automatic service sensing  
An integral electronic revenue meter system diagnostics package including a microprocessor, storage memory, preselect series of system diagnostic tests, and recording any results which exceed...
6819097 Electric power evaluation system and method thereof  
An electric power evaluation system and a method thereof. The system comprises an input module, a database, an analysis module, a contract generation module, and an output module. In this method,...
6798187 Generator status information display for power transfer switch  
A power transfer arrangement is provided for supplying power from a generator to the electrical system of a building in the event of a utility power interruption. The power transfer arrangement has...
6798190 Compact intelligent electronic device incorporating transformers  
An intelligent electronic device (IED) is disclosed for managing, measuring and controlling the distribution of electric power. The IED includes an enclosure. The enclosure houses electrical...
6798188 Voltage peak measurement with digital memory  
A technique for measuring peak voltages is provided that may be used in RF transceivers or receivers of wireless local area network systems. In an apparatus for measuring a peak value of an analog...
6714016 Method for displaying information concerning power consumption and electronic device  
An intelligent battery pack in an electronic device such as a PC, sends such information as a voltage, a current, etc. related to power consumption to a controller via a line when the PC is driven...
6628113 Surge current measurement  
A novel method of and apparatus for accurately measuring surge currents such as motor-starting inrush currents is provided. An input signal from a current sensor is monitored, and when the input...
6614217 Power supply negative phase detecting circuit  
A power supply negative-phase detecting circuit (10) for electronic equipment (12) using a three-phase AC power supply source includes a pulse generator (13) for generating a first pulse indicating...
6552525 System and method for scheduling and monitoring electrical device usage  
A system for scheduling and monitoring usage of an electrical household appliance includes an electronic controller and at least one sensor connectible to one another and to the appliance to...
6535000 Method and apparatus for determining the internal impedance of a distribution transformer and sensing DC current through an AC power meter  
A method for determining the DC current flowing through an AC power meter. The internal impedance of the distribution transformer is first sensed, then the DC voltage in the AC voltage waveform is...
6531863 Solid-state residential meter including a disk analog display  
A disk analog display for a solid state electricity meter includes a series of segments that illuminate sequentially to indicate the direction of current flowing through the meter and the rate at...
6522124 Snap connecting inner modules for an electric utility meter  
An integrated structure that offers improved casing for an electric utility meter is disclosed. The improved structure uses a minimum number of parts required for proper functionality of a meter...
Matches 1 - 50 out of 341 1 2 3 4 5 6 7 >