Matches 1 - 50 out of 68 1 2 >


Match Document Document Title
US20120280822 POWER RECEPTACLE CURRENT DISPLAYING AND ALERT DEVICE FOR DETECTING CURRENT STATE OF POWER RECEPTACLE AND RECEPTACLE HAVING THE SAEM  
A power receptacle current displaying and alert device comprises a panel; a current sensor being a C silicone steel sheet; a coil winding around the C silicone steel sheet for sensing the current...
US20110298626 BATTERY SYSTEM AND MANAGEMENT METHOD  
A system and method for monitoring the status of a system of battery strings is described. The system includes a current sensor for each of the battery strings, and a controller configured to...
US20110221604 EXTERNAL POWER SOURCE VOLTAGE DROP COMPENSATION FOR PORTABLE DEVICES  
A portable electronic device has a connector with a first pin and a second pin, and a battery charging circuit having an input coupled to receive current through the second pin to charge a battery...
US20140022083 METHOD AND APPARATUS OF LOCATING CURRENT SENSORS  
An energy monitoring system for a power conductor includes a base unit; a sensor cable; and a current sensor electrically connected to the base unit by the sensor cable. The base unit includes a...
US20090039070 SEMICONDUCTOR EQUIPMENT AND BREAKDOWN PRECAUTIONARY SYSTEM AND METHOD THEREOF  
A breakdown precautionary system of a semiconductor equipment includes a semiconductor equipment with a coil heater, at least a voltage/current detector, and an alarm system. The voltage/current...
US20110232585 Radial-shape wireless dog fence system and method  
A radial-shaped wireless fence system is provided that contains one or more dogs in a user-defined area without the need for a physical fence or underground wire. The system includes a base unit...
US20100295693 GROUND TERMINAL BLOCK FAULT INDICATOR  
An electrical ground terminal block assembly and arrangement to make ground fault situation accessible comprise a ground terminal housing to hold the wire linking elements and a characterized...
US20120256753 ARC FAULT CIRCUIT INTERRUPTER TESTER  
An arc fault circuit interrupter test circuit is disclosed. The test circuit incorporates a controller along with at least one power transistor, a current sense circuit and a voltage sense...
US20100019915 Industrial universal electrometer  
An electrometer for use in measuring current is provided. The electrometer includes an enclosure capable of containing various components of the electrometer. A pre-amplifier is present and is one...
US20090002183 SURGE CURRENT ALARM CIRCUIT  
An exemplary surge current alarm circuit includes a detecting circuit to detect a surge current and convert the surge current into a digital signal with a pulse width corresponding to a duration...
US20090295591 VERIFYING SPEAKER OPERATION DURING ALARM GENERATION  
The patent discloses a method of verifying that a dialysis machine audio alarm has been sounded. The method senses a waveform of electric power, such as a waveform of the current or voltage that...
US20110304471 MULTI-FUNCTIONAL INFRARED THERMOMETER  
A multi-functional infrared thermometer having an infrared sensor device, a sensing device and a light-emitting diode (LED) light source is provided, wherein the infrared sensor device and the...
US20130076521 CONNECTOR CAPABLE OF SHOWING CHARGING STATUS  
The present invention is a novel connector capable of showing charging status without turning on the device under charge. The connector contains a casing, a connection element, and a status...
US20150002302 CURRENT-COORDINATING SYSTEM SUITABLE FOR THE REDUNDANCY OF ELECTRICAL EQUIPMENT  
The present invention relates to a system comprising an electric current supply device, said device in turn comprises a main outlet, where main electrical equipment is connected, and at least one...
US20080136655 Over-current alerting circuit and method thereof  
An over-current alerting circuit used in a hand held device includes a current sensor module, a photo sensor module and an alerting module. The current sensor module is used for sensing a loading...
US20120019392 USB Charger  
A USB charger comprises a power input, a microprocessor, a resistor network, and a USB port for charging electronic devices through the USB port. The USB charger defaults to provide 2000 mA when...
US20120286962 INPUT DEVICE AND INDICATOR THEREOF  
An input device including a control unit and an indicator is illustrated. The indicator further includes an indicating unit and a driving unit. The control unit is configured to receive a control...
US20100013649 LOAD CONTROL DEVICE HAVING AUDIBLE FEEDBACK  
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a non-visual, haptic sensory output structure for producing a variable...
US20090115620 Current switch with automatic calibration  
A current switch is automatically calibrated when a flow of electric current is initiated in a power cable.
US20130194101 SYSTEM AND METHOD FOR HEALTH MONITORING OF POWER CABLES  
A shield of a power cable diverts leakage current to ground. During normal operation, the leakage current is steady. An increase in leakage current can lead to a failure mode of the power cable....
US20080239668 OUTSIDE PLANT TELECOMMUNICATIONS CABINET DIRECT AIR COOLING SYSTEM  
An outdoor equipment cabinet includes a housing with an equipment compartment therein. An intake air vent and an exit air vent are formed in the housing. A fan is mounted within the housing for...
US20100283599 Power management for wireless devices  
A method and apparatus for wireless device power management is provided. The method comprises providing a charge to an intermediate power cell by electrically connecting the intermediate power...
US20090128348 Overload alarm device and method thereof  
An overload alarm device is provided. The device is disposed in an electric auxiliary system for avoiding overload of the system. The device includes a current detection unit, a voltage comparison...
US20100134314 POWER SWITCH  
A power switch, in which one end is electrically connected to a power supply terminal, while another end is electrically connected to an electronic device, and the power switch is used to switch...
US20140354439 ELECTRICAL SENSOR WITH CONFIGURABLE SETTINGS AND A DISPLAY  
An electrical sensor is described. The electrical sensor including an electrical signal input configured to receive an electrical signal, an alarm, one or more inputs configured to set a...
US20080054007 SYSTEM AND METHOD FOR DISTRIBUTING MEDICATION AND MONITORING MEDICATION PROTOCOL COMPLIANCE  
A system and method of distributing supplements and medicines while monitoring compliance with a medicine protocol describing a schedule of when the individual doses are to taken. By way of...
US20090028551 DYNAMIC DIGITAL DIAGNOSTIC ALERTS  
Alerts, such as laser driver current alarms, are triggered in an optoelectronic device based on dynamic digital diagnostics, such as operating temperature. Optoelectronic devices may execute...
US20080150741 Device for Detecting Current-Impressed Signals in Security Systems  
A device and method for detecting current-impressed useful signals, added to a DC supply current, for a digital alarm line security system are described. To operate the alarm system using high DC...
US20110043351 method of visually representing the variation over time of a current difference between a real value and an optimum value for a parameter, using at least three activatable light signals  
The invention relates to a method of visually representing the variation over time of a difference between a real value of a parameter and an optimum value thereof using at least three activatable...
US20050231376 Lighting system condition monitoring method and system  
A system for monitoring the condition of a lighting system comprises a lamp assembly where a lamp is disposed in a housing and a lens is disposed adjacent to the lamp, a conductor disposed on the...
US20110181432 EXTERNAL DEVICE HAVING LOW POWER DETECTION AND PROTECTION AND METHOD THEREOF  
When an external device connects to a connecting port of a host, a current detection circuit of the external device detects if the current provided by the host is less than the working current...
US20090323233 APPARATUS AND METHOD OF DETERMINING INSULATION RESISTANCE IN AN UNGROUNDED MOBILE VEHICLE ELECTRICAL BUS SYSTEM  
An insulation resistance detection system for use with a vehicle having a chassis. The system includes an electrical power source, an electrical system, and a detection circuit. The electrical...
US20140009299 INDIRECT MEASUREMENT METHOD AND SYSTEM FOR MONITORING AND REPORTING LEAKAGE CURRENTS  
A system and method are provided for monitoring and reporting leakage currents caused by a load that is coupled to an AC supply line. A sensor positioned adjacent to an AC supply line senses an...
US20110057808 OVERCURRENT PROTECTION CIRCUIT  
An overcurrent protection circuit connected between a voltage input and a voltage output of an electronic device to protect against excessive current is disclosed. The overcurrent protection...
US20110025519 NON-INTRUSIVE UTILITY MONITORING  
A method of outputting to a user an indication of the usage of a utility, the method comprising: obtaining data indicating, for each of a plurality of appliances, a respective current level of...
US20130057410 SOLAR BATIERY CHARGING CONTROLLER  
Battery charging circuitry is provided. A charge controller receives electrical energy from a photovoltaic panel. A first timer provides a stream of clock pulses. A second timer is triggered by...
US20090115400 Status indicator  
The sensitivity and accuracy of a status indicator for sensing a current in an electrical circuit is improved by shifting the reference level of the transformer output to maximize the input signal...
US20110089902 CIRCUITRY FOR BALANCING CHARGING OF SERIES CONNECTED BATTERY CELLS  
A circuit for preventing overcharging a battery cell is disclosed. The circuit comprises a voltage detector for monitoring a voltage across a battery cell. The voltage detector is configured to...
US20080255782 Devices, Systems, and Methods for Monitoring Energy Systems  
Certain exemplary embodiments can provide a system, which can comprise a set of electrical energy monitoring devices. Each of the set of electrical energy monitoring devices can be adapted to be...
US20120286963 MONITORING DEVICE FOR DE-ENERGIZED CATENARY SYSTEMS OR OVERHEAD LINES  
A monitoring device for de-energized catenary systems having bearer cables, contact wires, droppers, grounding lines, overhead lines and cable systems, during new construction or servicing work,...
US20100176960 Branch current monitor with an alarm  
A power meter for monitoring current in a power cable annunciates an alarm if the current transgresses one or more alarm current limits. False alarms are avoided by delaying the activation of the...
US20100188241 Current detection and precaution alarm device  
The present invention discloses a current detection and precaution alarm device consisting of a current sensing device, a current voltage converter, an alarm device, a selection adjusting button...
US20050151659 Transmission/distribution line fault indicator with remote polling and current sensing and reporting capability  
The present invention includes a fault indicator for an electrical transmission line comprising: a fault indicator circuit; and a remote communicator operatively coupled to the fault indicator...
US20120306657 ISOLATED RESISTIVE CURRENT SENSOR  
An isolated current-sensing system for use with a resistive current sense element includes an analog front-end configured to receive a voltage from the resistive current sense element, and to...
US20120176248 METHODS, SYSTEMS AND APPARATUS FOR DETECTING MATERIAL DEFECTS IN COMBUSTORS OF COMBUSTION TURBINE ENGINES  
A method for detecting defects in a combustion duct in a combustion system of a turbine engine while the turbine engine operates, wherein the combustion duct comprises an inner surface, which,...
US20130162437 ELECTRONIC DEVICE AND METHOD FOR DETECTING CURRENT LEAKAGE OF ELECTRONIC COMPONENTS IN THE ELECTRONIC DEVICE  
A method for detecting current leakage of electronic components in an electronic device determines a target electronic component that needs to be analyzed for current leakage in response to a user...
US20080012720 CURRENT MONITORING DEVICE FOR HIGH VOLTAGE ELECTRIC POWER LINES  
A current monitoring device (CMD) with a set of electromagnetic field sensors located within one or more grounded housings positioned within the combined electromagnetic fields generated by one or...
US20130285825 DEVICES FOR SENSING CURRENT  
Devices for sensing current are described herein. One device includes a first magnetic sensor configured to determine a first magnetic field associated with a current conductor while the current...
US20070236359 Time coordinated energy monitoring system utilizing communications links  
A method, system and device for synchronizing a time period over which energy measurements are accumulated for an energy monitoring system including a plurality of energy monitoring devices is...
US20080068212 Coupling point temperature and current measuring system  
A system for measuring temperature and current at coupling points in an electric distribution network. A monitor device is connected to a series of measuring devices using radio waves. The monitor...

Matches 1 - 50 out of 68 1 2 >