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Match Document Document Title
US20140159489 WHEELCHAIR SOLAR CANOPY  
Systems, methods and apparatus are provided through which in some implementations a solar canopy for a motorized wheelchair includes a solar panel fitted into a recess in the solar canopy and a...
US20110148123 Zero-Emission Power Plant  
There is provided a power plant in which a fossil fuel is used to generate power. An exemplary power plant includes a generator and a turbine that drives the generator, which generates...
US20130002031 Enclosure and Message System of Smart and Scalable Power Inverters  
An enclosure design is disclosed to accommodate and support the unique features and capabilities of the Smart and Scalable Power Inverters or Mini-Inverters that have multiple input channels to...
US20110279090 PORTABLE POWER SUPPLY  
A portable power system for handheld battery-powered device comprises a power source containing a universal, non OEM battery, a power cord connected to the power source forming an electrical...
US20110221274 Photovoltaic Grounding  
A photovoltaic power system can include a switched grounding system.
US20140217825 VOLTAGE SCALE-DOWN CIRCUIT  
A circuit for scaling down first and second input voltages includes first and second voltage scale-down circuits that scale down the first and second input voltages, respectively. The first...
US20120086273 DYNAMIC THERMOSTATIC CONTROL OF SMALL-SCALE ELECTRICAL LOADS FOR MATCHING VARIATIONS IN ELECTRIC UTILITY SUPPLY  
A method of dynamically controlling a small-scale electrical load receiving energy from an electricity grid that includes sources of renewable generation causing variations in electricity supply...
US20130169056 MULTI-MODULE INVERTERS AND CONVERTERS FOR BUILDING INTEGRABLE PHOTOVOLTAIC MODULES  
Provided are multi-module inverters and/or converters for connecting to a set of building integrable photovoltaic (BIPV) modules that are interconnected in series and arranged into photovoltaic...
US20140339898 INTEGRATED SOLAR AND BATTERY INVERTER  
A circuitry arrangement includes two-pole connectors for connecting a battery and a further voltage source. The plus pole of one connector and the minus pole of the other connector are directly...
US20110029788 Power Limiting In Redundant Power Supply Systems  
A redundant power supply system includes power limit logic and plural power supplies. The power limit logic is configured to impose a first power limit threshold on the power supply system during...
US20140203643 Energy Harvesting Scheme  
A system adapted to generate, collect and store electrical energy is described. The system includes: a set of sources; each source in the set adapted to generate heat energy, convert the generated...
US20140265595 Smart and Scalable Lunar Power Inverters  
A method and apparatus is disclosed for solar power generation when irradiance is low and unstable due to sunrise, sunset, clouding, partial shading, warped solar module surfaces, moving solar...
US20110303258 SYSTEM FOR RECLAMATION OF WASTE THERMAL ENERGY  
A waste heat reclamation device absorbs waste heat from a heat generating object. A thermocouple loop is used to convert thermal energy into electrical energy which may be utilized to provide...
US20120074783 PASSIVE IMPEDANCE MATCHING  
Methods, devices, and systems for passive impedance matching are provided. An example of a method of passive impedance matching includes providing a substantially equivalent impedance between a...
US20120256489 ENERGY CONSERVING (STAND-BY MODE) POWER SAVING DESIGN FOR BATTERY CHARGERS AND POWER SUPPLIES WITH A CONTROL SIGNAL  
A system is described that turns off a high power, power supply when a device no longer needs high power. A low power, power supply or a rechargeable battery provides power to determine when the...
US20140077599 Multiple Hybrid Integration  
A power platform for a motorized work device that includes hybrid power sources is disclosed. The hybrid power system may include a hydraulic power source that provides power and stores power, an...
US20130134784 Ping-Pong Type Battery Management system  
Disclosed is an Ping-Pong Type Battery Management system. The Ping-Pong Type Battery Management system includes first and second battery packs, first and second battery switches, a sensing and...
US20140091625 OPEN FUSE DETECTION SYSTEM FOR A SOLAR INVERTER  
A photovoltaic power circuit is provided and includes a plurality of strings of connected photovoltaic panels operable to generate DC current from solar radiation. Each of the strings is connected...
US20120161519 SYSTEM AND METHOD FOR HOT-SWAPPING OF POWER SOURCES IN PORTABLE ELECTRONIC DEVICES  
A method of hot-swapping in a portable electronic device having at least two power sources comprising determining one of the at least two power sources requires replacement; confirming that the...
US20120049627 CURRENT COLLECTING BOX FOR PHOTOVOLTAIC POWER GENERATION  
A current collecting box for photovoltaic power generation comprising a ground fault detector detecting a ground fault in photovoltaic strings; a switch disposed for each of the photovoltaic...
US20120222997 Power Supplies for Pool and Spa Equipment  
Power supplies for pool and spa equipment are disclosed. In one embodiment, the power supply includes a buoyant housing, a peripheral float, at least one solar cell positioned on the buoyant...
US20140028104 SYSTEMS AND METHODS FOR PHOTOVOLTAIC MICRO-INVERTER POWER HARVESTING EFFICIENCY INCREASE IN SHADED CONDITIONS  
A method and system are disclosed for producing electricity from solar radiation using a solar panel that efficiently produces electricity and is protected against cell burnout in partial shaded...
US20110001485 ENERGY MANAGEMENT FOR AN ELECTRONIC DEVICE  
Energy management of an electronic device using multiple electric power sources. The electric power sources may include a parasitic electric power source, a rechargeable electric power source, an...
US20140354053 Hybrid wind power generator and concentrator with solar panel for improved power generation  
This alternative hybrid wind concentrator generator (the “device”) provides low wind environments with improved added capabilities for various power generation applications. A hybrid solar power...
US20110175449 POWER SUPPLY CIRCUIT  
A power supply circuit generates the internal power supply voltage intVCC from a first power supply capable of supplying a first power supply voltage V1 and a second power supply capable of...
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...
US20150026890 EMERGENCY POWER SUPPLY DEVICE FOR AN ELECTROMOTIVE FURNITURE DRIVE FOR A PIECE OF FURNITURE, ELECTROMOTIVE FURNITURE DRIVE, AND A CORRESPONDING PIECE OF FURNITURE  
The invention relates to an emergency power supply device (200) for an electromotive furniture drive (100) of a piece of furniture (1), comprising a housing in which at least one energy...
US20110065161 BIPOLAR SOLID STATE MARX GENERATOR  
A high-voltage bipolar rectangular pulse generator using a high efficiency solid-state boosting front-end and an H-bridge output stage is described. The topology of the circuit generates...
US20120091806 POWER CONDITIONER FOR FEEDING SYSTEM  
A power conditioner for a feeding system which stabilizes a load of active power is provided. A power conditioner for a feeding system comprises a first AC-DC and DC-AC converter for performing...
US20110293970 SECONDARY BATTERY PROTECTING CIRCUIT AND HYBRID POWER SOURCE EQUIPMENT  
Disclosed herein is a secondary battery protecting circuit connected in parallel with a nonaqueous secondary battery, the secondary battery protecting circuit including: a first voltage detecting...
US20140035357 Battery, Battery Management System, and Method to Control a Battery  
The invention relates to a battery, a battery management system, and a method to control a battery. According to an embodiment, a system includes a plurality of batteries. Each battery includes an...
US20120175956 DC POWER SUPPLY FEEDING SYSTEM  
According to one embodiment of a DC power supply feeding system, the system includes a DC voltage power supply that outputs a specified voltage by using a commercial AC power supply, a varying...
US20130216921 PORTABLE METAL-AIR BATTERY ENERGY SYSTEM FOR POWERING AND/OR RECHARGING ELECTRONIC DEVICES  
A system is provided for delivering energy to an electronic device, where the system comprises a metal-air battery having one or more metal-air cells within a housing, a first surface having at...
US20130082525 Shared Power System with Multiple Inputs  
A shared power system includes a power router; a plurality of power input devices respectively connected to the power router; a first diode coupled between the power router and an output; a second...
US20130009473 Oscillator Circuit  
Devices are provided comprising oscillator circuits coupled to a supply voltage via an adjustable resistance. Corresponding methods to control adjustable resistances are also provided.
US20140333135 High Performance Voltage Compensation  
An apparatus for producing a compensated voltage output comprising: a first power source or power sink coupled between a first node and a reference node; a second power source or power sink...
US20130020875 BATTERY PACK FOR AN ELECTRONIC DEVICE  
A battery pack for providing power to an electronic device which includes a rechargeable battery, a non-power line power source, and a circuit configured to selectively deliver direct current (DC)...
US20140354055 HIGH EFFICIENCY SOLAR POWER GENERATOR FOR OFFSHORE APPLICATIONS  
A dual-type solar power generator comprising a dual capture panel. The dual capture panel comprises a reflective surface configured to reflect solar radiation having a reflecting wavelength and an...
US20110101908 PORTABLE POWER SUPPLY DEVICE POWERED BY CELL PHONE BATTERY  
A portable power supply device powered by a cell phone battery essentially includes a base, at least one receiving recess, a charging element, and at least one electrical connection element,...
US20130062946 HIERARCHICAL BALANCING SYSTEM  
An example hierarchical balancing system is described that performs balancing amongst power packs comprising an arrangement of power cells, while the power packs separately perform cell-level...
US20120007427 NO BREAK POWER TRANSFER WITH SOLID STATE POWER CONTROLS  
A method of controlling a power system provides at least two alternative sources of power delivering power to a power bus. Switches are provided between each of the at least two sources of power...
US20140203654 SECONDARY BATTERY, SECONDARY BATTERY MODULE, METHOD FOR CHARGING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, METHOD FOR DISCHARGING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, METHOD FOR OPERATING THE SECONDARY BATTERY AND THE SECONDARY BATTERY MODULE, POWER STORAGE SYSTEM, AND METHOD FOR OPERATING THE POWER STORAGE SYSTEM  
Degradation of a secondary battery or the like is prevented. A reduction in the capacity of a secondary battery or the like due to charging or discharging is prevented. A secondary battery module...
US20140084689 BATTERY SYSTEM AND ENERGY STORAGE SYSTEM INCLUDING THE SAME  
A battery system includes at least one battery unit, and a first battery management system that is operable to control the at least one battery unit. The first battery management system includes a...
US20130257155 PHOTOVOLTAIC SYSTEMS WITH LOCAL MAXIMUM POWER POINT TRACKING PREVENTION AND METHODS FOR OPERATING SAME  
A photovoltaic system includes solar cells and an inverter configured to convert direct current generated by the solar cells to alternating current. The photovoltaic system includes a maximum...
US20140159636 SOLAR ENERGY HARVESTING SKYLIGHTS AND WINDOWS WITH INTEGRATED ILLUMINATION  
This disclosure provides systems, methods and apparatus that can generate PV power and simultaneously provide artificial lighting. The devices disclosed herein include a first optical structure...
US20140070614 Household Grid-Connected Inverter Applied to Solar Power Generation System with Maximum Power Tracking Function  
A household Grid-Connected inverter applied to a solar power generation system with maximum power tracking function includes a solar power module; a MPPT power converter connected to the solar...
US20130026978 POWER SUPPLY FOR DOWNHOLE INSTRUMENTS  
A power supply for a downhole instrument is provided. The power supply includes high temperature rechargeable energy storage, power generation capabilities and provides for operation in high...
US20120248863 Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations  
A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in...
US20120139343 SAFETY MECHANISMS, WAKE UP AND SHUTDOWN METHODS IN DISTRIBUTED POWER INSTALLATIONS  
A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in...
US20140097686 LOW/HIGH VOLTAGE SELECTOR  
A voltage selector circuit is described. The voltage selector circuit includes a first voltage input, a second voltage input, and a voltage comparison input. The voltage selector circuit also...

Matches 1 - 50 out of 420 1 2 3 4 5 6 7 8 9 >