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US20150048776 Concentrator-Driven, Photovoltaic Power Generator  
A concentrator-driven, photovoltaic power generator system and method for capturing and transmitting electromagnetic radiation utilizing a reflector having a concave reflecting surface for...
US20130342175 POWER SOURCE GENERATION CIRCUIT AND INTEGRATED CIRCUIT  
A power source generation circuit includes a regulator circuit which receives an external power source voltage VDDA from an external power source, and generates a predetermined internal power...
US20120062185 POWER SOURCE GENERATION CIRCUIT AND INTEGRATED CIRCUIT  
A power source generation circuit includes a regulator circuit which receives an external power source voltage VDDA from an external power source, and generates a predetermined internal power...
US20130141078 POWER MEASUREMENT SYSTEM AND POWER TEMPERATURE CONVERTER  
A power measurement system includes: a power temperature converter attached to a power supply line of an electric instrument and having a temperature changed corresponding to a current flowing...
US20150115900 SELECTABLE UPPER VOLTAGE RANGE MONITORING CIRCUIT  
A battery voltage measuring circuit for an implantable cardiac device is presented. Since the usable battery voltage for the device is limited to an upper range of voltages, the need for measuring...
US20140217967 SYSTEMS AND METHODS FOR OPTIMALLY DELIVERING PULSED WIRELESS POWER  
A transmitter assembly is useful in optimizing in the delivery of wireless power to a plurality of receivers. Each receiver measures its own battery need for power and transmits that measurement...
US20120280664 CAPACITIVE POWER SUPPLY FOR HANDHELD DEVICE  
A handheld device includes an electronic instrument and a capacitive power supply for storing and delivering power to the electronic instrument. The capacitive power supply includes at least one...
US20130106341 HYBRID BATTERY SYSTEM FOR PORTABLE ELECTRONIC DEVICES  
A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable...
US20150207356 CALIBRATION OF A BST CAPACITOR CONTROL CIRCUIT  
A circuit for controlling a capacitor having a capacitance settable by biasing, including at least one terminal for receiving a digital set point value depending on the value desired for the...
US20120229100 OPTIMIZED SOFTWARE-DRIVEN SOFT-START ALGORITHM  
A soft-start charging method, computer-readable medium, and apparatus for controlling charging of at least one capacitor by obtaining a zero-crossing time, which is a time when a zero-crossing of...
US20110199057 Battery protection circuit and method for energy harvester circuit  
Power management circuitry (7-2,3,4) for converting a harvested voltage (Vhrv) to an output voltage (VBAT) applied to a battery (6) includes an inductor (L0) having a first terminal (3) coupled to...
US20140042987 LIGHTNING ENERGY STORAGE SYSTEM  
Embodiments of the present invention relate to an apparatus and method for collecting and/or storing electrical energy in lightning. A specific embodiment provides a lightning energy storage...
US20090309538 ENERGY STORAGE AND MANAGEMENT CIRCUIT  
An energy storage and management circuit includes an energy harvester, a switch coupled to the energy harvester, a first energy storage device coupled to the switch, and a second energy storage...
US20120161745 POWER SUPPLY DETECTION CIRCUIT  
Power supply detection circuit. The power supply detection circuit includes an input circuit responsive to a core power supply voltage to generate a first output voltage at a first node. The power...
US20110309803 Method for Switching an Electrical Load in a Bridge Branch of a Bridge Circuit, and Bridge Circuit  
In one embodiment, a method for switching an electrical load having at least one capacitive component and one inductive component in a bridge branch of a bridge circuit comprises a charging of the...
US20140125293 STORED ELECTRIC POWER DISCHARGING CIRCUIT FOR INVERTER  
A stored electric power discharging circuit for an inverter device includes a plurality of series resistors configured to be connected in parallel to a plurality of main circuit capacitors in a...
US20110204722 VOLTAGE EQUALIZATION CIRCUIT FOR ELECTRIC ENERGY STORAGE DEVICE  
The present invention is aimed at providing a simple and inexpensive device for equalizing voltage between electric energy storage cells such as batteries or capacitors connected in serial in an...
US20130049692 REFUELABLE STORAGE BATTERY  
A reversible storage system for electric energy, including charging or discharging surfaces as a positive collector terminal and a charging or discharging area as a negative collector terminal and...
US20120274288 PROVIDING IN RUSH CURRENT TOLERANCE TO AN ELECTRONIC DEVICE  
According to one embodiment, an apparatus (100) for providing in rush current tolerance to an electronic device comprises a bulk capacitor (140), a resistor network (150), and a power switch...
US20150115901 Quick Discharge Circuit  
A quick discharge circuit includes a reference voltage source, a power supply voltage monitoring circuit, a control circuit, and a discharge circuit. The reference voltage source provides a...
US20150218913 POWER SYSTEM FOR HIGH TEMPERATURE APPLICATIONS WITH RECHARGEABLE ENERGY STORAGE  
A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of...
US20130181685 Charging Circuit for Capacitor  
A charging circuit for a capacitor includes a current mirror module including a first branch circuit, a second branch circuit and a third branch circuit for supplying a plurality of output...
US20150028820 Activate Circuit and Electronic Device  
An activate circuit for an electronic device includes a first node, a first transistor including a source coupled to a ground, a drain coupled to the first node, and a gate coupled to a battery...
US20130335038 BLEEDING CIRCUIT AND METHOD FOR REDUCING POWER CONSUMPTION OF AN EMI FILTER  
A bleeding circuit and method for an electromagnetic interference filter detect whether or not an AC power source connected to the electromagnetic interference filter is removed, establish a...
US20150102781 Fast Charging High Energy Storage Capacitor System Jump Starter  
A fast charging high energy storage capacitor system jump starter is described. The jump starter apparatus incorporates a method of using reserve energy from a depleted electrical system such as...
US20110233184 Capacitor Powered Personal Care Devices  
A handheld electronic personal care device (with or without an applicator head) comprising a fast charging capacitor, and one or more electric load elements. The device may or may not be designed...
US20110241625 CIRCUIT TOPOLOGY FOR PULSED POWER ENERGY HARVESTING  
An energy harvesting circuit harvests energy from a voltage source and charges a storage element with the harvested energy. The energy harvesting circuit includes an energy source, a storage...
US20110074434 END OF LIFE DETECTION FOR A BATTERY  
One particular implementation conforming to aspects of the present invention takes the form of a method for detecting the end of life of a battery for an electronic device. The method may include...
US20120176430 CAPACITIVE LOAD DRIVE CIRCUIT AND INKJET HEAD DRIVE CIRCUIT  
According to one embodiment, a drive circuit of a capacitive load adjusts an impedance of at least one of the switches that are turned on to discharge a charge stored in the capacitive load back...
US20140230684 CHARGED PROJECTILES AND RELATED ASSEMBLIES, SYSTEMS AND METHODS  
Charged projectile assemblies include a housing and an electronic assembly configured to produce an electric field about at least a portion of the housing of the projectile. Cartridge assemblies...
US20140306645 RENEWAL ENERGY POWER GENERATION SYSTEM  
Provided is a renewable energy power generation system (10) having a renewable energy power generating apparatus (12) arranged to generate electric power; and a hydrogen power generation module...
US20140197806 CAPACITOR CHARGING CIRCUIT WITH LOW SUB-THRESHOLD TRANSISTOR LEAKAGE CURRENT  
A capacitor charging circuit has input, output and control nodes, first and second series connected primary FETs, and first and second leakage current reduction FETs. All of the FETs have their...
US20110079263 Systems and Methods to Provide Enhanced Diode Bypass Paths  
Systems and methods are herein disclosed for efficiently allowing current to bypass a group of solar cells having one or more malfunctioning or shaded solar cells without overwhelming a bypass...
US20140084875 ELECTRIC MOTOR DRIVES FOR RECAPTURING ELECTRICAL ENERGY  
A set of electric motor drives for recapturing otherwise unused electrical energy from electric motors and methods of using same are disclosed that provide electrical energy in addition to...
US20080272743 Driver Circuit Arrangement  
The invention relates to a driver circuit arrangement (1′) for driving a plurality of individually switchable electrical subsystems (A′, B′, C′), such as (arrangements of) LEDs (9-A, 9-B, 9-C)....
US20110221398 Impedence Balancer  
An impedance balancer for power cell balancing using changes in impedance is provided. The apparatus may include a rail capacitor that is switchably connected to a first capacitor and switchably...
US20120313590 RECHARGEABLE BATTERY  
A rechargeable battery is disclosed. The rechargeable battery of the invention includes a high density capacitor and an integrated circuit. The high density capacitor is connected to a ground...
US20070001651 Distributed networks of electric double layer capacitor supervisory controllers and networks thereof  
Disclosed is an electric double layer capacitor, having a multiplicity of cells occupying a single package, wherein the individual cells are managed and balanced by networkable embedded circuitry...
US20140176086 CAPACITOR CHARGER SYSTEM, POWER MODULATOR AND RESONANT POWER CONVERTER  
A capacitor charger system has a resonant power converter to connect to a capacitor via a rectifier. The resonant power converter has a switch-based bridge network, an internal transformer, a...
US20090108815 Energy Capture Circuit  
An energy capture circuit for capturing energy in response to an input pulse. The circuit is constructed and arranged to transfer input energy in time divided portions among subcircuits. This...
US20150102779 Device and Method for Charging a Battery  
A method for charging a battery is provided, wherein current pulses are supplied to the battery, wherein each pulse is followed by a rest period during which no current is supplied to the battery,...
US20120268080 AUXILIARY POWER SUPPLY AND USER DEVICE INCLUDING THE AUXILIARY POWER SUPPLY  
Auxiliary power supplies include a capacitor (e.g., super capacitor) and a capacitor charging circuit, which is configured to provide a charging current to a first terminal of the capacitor....
US20110057626 POWER SUPPLY AND CHARGING CIRCUIT FOR HIGH ENERGY CAPACITORS  
A switched mode power supply is disclosed for charging a load such as a high energy capacitor. The power supply is adapted to operate in a substantially constant power mode and includes a flyback...
US20120169298 SYSTEM AND METHOD FOR ELECTROCHEMICAL DEVICE WITH METAL CONTAINING IONIC LIQUID ELECTROLYTES  
Provided are a system and method for storing electrical power with an electrochemical device with a ionic liquid electrolyte having a metal coordination cation. More specifically, the device...
US20130257389 Supercapacitor with Hexacyanometallate Cathode, Activated Carbone Anode, and Aqueous Electrolyte  
A supercapacitor is provided with a method for fabricating the supercapacitor. The method provides dried hexacyanometallate particles having a chemical formula AmM1xM2y(CN)6.pH2O with a Prussian...
US20110057627 Discharge circuit for high-voltage networks  
A device for discharging an electric network or a capacitive component includes a switchable resistor. The discharge circuit has a particularly low power loss and operates reliably when the...
US20140139194 SYSTEM FOR PRE-CHARGING A CAPACITOR BY A BATTERY  
There is provided a system for pre-charging a capacitor by means of a battery, including a switch and an element for limiting charging current of the capacitor, said switch and said limiting...
US20090243558 ELECTRONIC BALLAST WITH HOLD-UP ENERGY STORAGE  
An electronic ballast is provided, which includes an energy hold-up circuit that maintains operation of an AC discharge load, such as a gas discharge lamp, during at least a portion of a utility...
US20080129268 Dual Voltage Power Supply  
A power supply for an integrated circuit has first and second energy storage elements and a regulator. The first energy storage element stores energy for application to the integrated circuit. The...
US20130154573 Method and Apparatus Pertaining to Powering a Movable Barrier Operator Remote Controller  
A movable barrier operator remote controller can comprise a vibration-powered electrical generator, a user interface, and a wireless transmitter configured to transmit a movable barrier operator...