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7623041 |
Portable partial discharge detection apparatus and method thereof
A portable partial discharge detection apparatus and method thereof are provided. The portable partial discharge detection apparatus includes a detection unit, a control unit and an alarm unit. The...
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7619535 |
Power monitoring apparatus of fan
A power monitoring apparatus of a fan is for receiving an input voltage from external. The power monitoring apparatus includes a starting unit and a voltage detecting unit. The starting unit...
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7612684 |
Dual mode RF power amplifier
Briefly, in accordance with one or more embodiments, a dual mode power amplifier is capable of operating in either linear mode such as class A operation, or a non-linear mode such as class F...
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7605712 |
Power generator and power generator auxiliary monitoring
A generator monitoring system and method includes a plurality of sensors ( 12 ) disposed within a generator enclosure ( 18 ) to sense health conditions of a generator ( 10 ) housed within the...
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7602282 |
Audio system end of line load module providing a load on the audio circuit in response to a test signal
An end-of-line module provided at the end of the line of an audio circuit provides a load in response to a test signal. The load is detectable by an announcement control system so that a fault...
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7598880 |
Wireless battery monitoring system and method
A wireless battery monitoring system and method include a receiver and a plurality of wireless transmitters. The transmitters are connectable to a corresponding battery and are encoded to identify...
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7592924 |
Intelligent life testing methods and apparatus for leakage current protection
An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a...
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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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7586420 |
Outage notification device and method
An outage notification system for detecting a power outage at a customer location is provided. The outage notification system comprises a first outage notification device operably coupled to a...
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7580695 |
Power management for a handheld measurement system
A method and system suitable for managing the power consumption of a handheld measurement system that combines a handheld computer, measurement sled, and sensors is provided. The handheld computer...
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7577534 |
Risk assessment of metal vapor arcing
A method for assessing metal vapor arcing risk for a component is provided. The method comprises acquiring a current variable value associated with an operation of the component; comparing the...
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7573393 |
Integrated fault output/fault response delay circuit
A time delay fault device includes an integrated circuit (IC) having an electronic circuit having a fault indicator signal output and a time delay circuit having an input connected to the fault...
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7567185 |
Circuit for power indicator
A circuit for a power indicator, comprises an indicator ( 10 ), a power source (V 1 ), a first MOSFET ( 20 ), a first controlling circuit ( 40 ), a second MOSFET ( 50 ), and a second controlling...
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7565267 |
Life prediction and monitoring of components
A counting unit counts a current supplying duration for a component which determines a life of a device. A prediction unit predicts the device life based on an integrated current supplying duration...
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7561059 |
Anti-tamper electronic obscurity using E-fuse technology
A circuit that employs an anti-tamper sensor includes a circuit element that is responsive to a first input and to a second input. A selective coupling element couples the circuit element to the...
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7561058 |
Warning system and method for electrical devices
An externally powered temperature calibration device includes a system that provides a warning of high temperatures within the device after the device has been disconnected from the external power....
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7557725 |
Event signature apparatus, systems, and methods
An apparatus and a system, as well as a method and article, may operate to compare a circuit operational condition with a specified condition, to record an out-of-specification condition, and to...
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7557724 |
Device for detecting a fault current in an electronic apparatus
A device for detecting a fault current in an electronic apparatus has a first and at least one second electric conductor, the first electric conductor carrying a first electric potential and the at...
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7554455 |
Method and apparatus for powering remote devices
A method and apparatus for powering one or more remotely-situated devices. In accordance with some embodiments of the invention, energy is added (at a convenient location) to a medium that the...
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7554454 |
Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches
An apparatus for detecting the power state of a circuit breaker switch is disclosed. The apparatus comprises a detector circuit, a processor and an indicator. The processor is coupled to the...
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7552367 |
Fault recording and sequence of events recording device capable of recording communication-based signals related to electrical power systems
A method for recording analog signals and digitally encoded information associated with primary and secondary devices of an electric power system includes: receiving a plurality of analog output...
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7551097 |
Indicator device for machine
An indicator device is used in a machine for indicating the operation status of the machine. The indicator device includes a body detachably mounted to the machine, a plurality of circuit boards,...
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7550874 |
System and method for a power supply device
A power supply apparatus is disclosed herein. The power supply apparatus includes a power output, a first power source selectively connectable to the power output, and a second power source...
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7548157 |
Battery backed service indicator aids for field maintenance
A self-contained backup power source such as a battery is provided for components within an electrically powered device such as a storage controller, photocopier or the like, to maintain diagnostic...
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7541939 |
Mounted shock sensor
This application is directed to a shock sensor mounted in an electronic device. The shock sensor includes both active and passive shock detection methods that allow a technician to determine...
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7535373 |
Security techniques for electronic devices
Systems and methods for protecting electronic and other sensitive devices in the event of security breaches such as physical intrusion or access, tampering, and attempts at reverse engineering. One...
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7535371 |
Ground fault circuit interrupter with end-of-life protection
A circuit interrupter with end-of-life protection has four components: 1) a control circuit to activate an electromagnetic unit upon detecting a predetermined condition; 2) a fuse coupled between...
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7535370 |
Removable memory media with integral indicator light
A flash memory module includes an integral indicator light. The module alternatively includes a plurality electrical contacts which electrically interface to a host digital device. The module...
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7528734 |
System and method for automatically detecting power supply voltage
A system for automatically detecting power supply voltage includes a voltage divider connected to a power supply, an A/D converter connected to the voltage divider, a detection module connected to...
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7518715 |
Method for determination of efficient lighting use
A method for receiving light from a plurality of light sources using an apparatus configured to analyze the time dependence of the light intensity to determine a type of light bulb and light...
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7514932 |
Method of recognizing signal mis-wiring of a three-phase circuit
A signal analyzer for calculating the power consumption and power factor of a three-phase power system driving a motor includes logic that determines whether the analyzer's own input terminals are...
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7511628 |
Status indicator circuit for a dimmer switch
A load control device for controlling the amount of power delivered to an electrical load from an AC power source comprises a semiconductor switch having a control input, a triggering circuit, a...
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7508314 |
Low battery warning silencing in life safety devices
A life safety device can include a battery monitoring module configured to measure a voltage level of a battery, an alarm module configured to provide an alarm when the voltage level is less than...
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7499832 |
Control unit that manages the usage of electrical devices
A control unit is disclosed for controlling the usage of an electrical device, such as a television. The control unit maintains a plurality of time accounts for a plurality of users. The control...
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7499815 |
Machine radial stack gap generation and clearance management system and method
A system and method for readily generating radial clearance data for a radial clearance between locations on at least two parts in a rotating machine includes rendering an image of a cross section...
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7493224 |
Event tracing with time stamp compression and history buffer based compression
An improved method, apparatus, and computer instructions for generating trace data. In response to detecting a trace event, a determination is made as to whether identifiers for the trace event...
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7492269 |
Self diagonostic flame ignitor
Techniques for monitoring operation of a flame ignitor are provided. In one embodiment, multiple inputs are received. The inputs are received from at least one of a first group of inputs and a...
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7482941 |
Physical key to facilitate an inactive mode for a state-of-charge indicator within a battery
The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a...
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7482930 |
Limiter for controlling overvoltage and RFID tag having the same
A limiter for controlling an overvoltage and an RFID tag having the same are provided. The limiter includes a first limiter part and a second limiter part serially connected to the first limiter...
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7467068 |
Method and apparatus for detecting dependability vulnerabilities
The present invention is a method and an apparatus for detecting dependability vulnerabilities in production IT environments. In one embodiment, a method for detecting a dependability vulnerability...
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7463140 |
Systems and methods for testing wireless devices
Systems and methods are disclosed for parallel testing one or more wireless devices using a single wireless command, each device including a processor and memory coupled to the processor. The...
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7457106 |
Power distribution unit and methods of making and use including modular construction and assemblies
Described herein are various embodiments of a power distribution unit having modular components. For example, according to one embodiment, a power distribution unit can include a component portion...
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7453368 |
Surge protector life cycle monitor system and method
A system and method are provided for determining an expected life of an electric surge protection component. The system and method monitors preferably each surge that an electric surge protection...
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7446665 |
Method for automatically detecting and isolating a power outage in a communication network
Systems and methods for detecting power outages in communication networks are described. In one implementation, an alarm associated with a network error is detected. Attempts are made to contact...
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7446658 |
Identification (ID) system and method of operation thereof
An identification (ID) tag, in one exemplary embodiment of the invention, includes a motion sensor that generates a trigger signal upon sensing motion. The trigger signal is used to place the ID...
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7443309 |
Self testing ground fault circuit interrupter (GFCI)
A self testing fault detector having a line side and a load side and a conductive path there between, said apparatus is provided. The self testing fault detector includes a controller, adapted to...
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7439874 |
Load status indicator
A load status indicator is disclosed for determining whether power is available to, and current is flowing through, a load. A first visual status indicator may light up when power is available to...
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7439868 |
Drive circuit for driving indicator in computer system
A circuit for indicating status of a component of a computer system includes a first indicator (D 1 ), a second indicator (D 2 ), a power supply (V), a first transistor (Q 1 ), and a second...
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7433164 |
Ceiling fan motor control module
A ceiling fan motor control module includes a digital core controller coupled to a brushless motor for computing, processing, transmitting and controlling signals and providing a soft start and...
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7432818 |
Printing apparatus including components equipped with RFID wear monitoring devices
A device for monitoring wear in a component, including a radio frequency identification chip attached with the component and a sensor configured to monitor wear of the component, the sensor being...
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