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Document Title |
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6512358 |
Measuring device for measuring a process variable
The invention is directed to a measuring device for measuring an industrial process variable with a predetermined maximum power consumption by the measuring device. More specifically, the invention...
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6445188 |
Intelligent, self-monitoring AC power plug
Disclosed is an electronic circuit assembled onto a miniature printed circuit board and assembled into an AC plug body such that the AC mains connect to terminals on or connected to the printed...
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6429642 |
Programmable monitoring device for electric consumption
A monitoring device which can monitor automatically and in real time the electric consumption in a house, in premises or any other building while controlling the total consumption of the complete...
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6392399 |
Device for measurement of the electrical consumption of a portable data- or signal-processing terminal
The device for measurement of current exchanged between a battery (1) and electrical circuits (19) of a portable telephone includes a current sensor (21), connecting the battery (1) to the circuits...
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6239589 |
Method and device for compensating for angle errors when measuring electrical power
In order to obtain a simple circuit structure for a measuring device with high measuring accuracy, it is provided that current and voltage signals of a load are fed to a multiplexer and, after...
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6198403 |
Power line meter/monitor with LED display
In this micro-controller-based line voltage meter/monitor instrument, an AC signal-under-test is sensed from the line voltage via a broadband isolation transformer, and processed to provide RMS and...
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6115676 |
Methods and apparatus for performing load profile and load control
An electronic energy meter register which, in one aspect, is configured to perform load profile recording in a manner which eliminates a need for a back-up battery is described. In other aspects,...
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