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8179094 Device and method for improved battery condition learn cycle  
Embodiments of the invention include a device and method for improved battery learn cycles for battery backup units within data storage devices. The backup unit includes a first battery pack, a...
8148844 Power supply system including alternative sources  
A power supply system for a residential or a commercial unit is disclosed. The system comprises an AC power source from a power grid, a DC power source from one or a plurality of remote alternative...
8138625 Dual line active automatic transfer switch  
A dual line active automatic transfer switch (ATS) is provided. A first switch structure is connected to a first PSU of the plurality of PSUs, and operable between a first position connecting a...
8110941 Power demand management method and system  
A power demand modification method and system. The method includes detecting and monitoring by a computing system, a frequency signal associated with an input voltage signal used for powering a...
8108695 System for minimizing the power consumption of a device in a power down mode  
A system is disclosed for reducing power drain of a component when the component is in a powered down state. The system comprises a power input configured to receive power, a power output to the...
8093749 Sharing redundant power supply modules among physical systems  
A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with...
8093748 Universal power inlet system for power distribution units  
The Universal Power Inlet System, or UPIS, is a method of providing universal attachment of 3 different types of electrical power systems into the input circuitry of a Power Distribution Unit, or...
8082453 Power sharing between midspan and endspan for higher power PoE  
Methods and systems for higher power PoE are provided. Embodiments overcome system limitations to PSE power scaling by using an endspan-midspan configuration which allocates power to the PD from...
8065542 Distributed table-driven power mode computation for controlling optimal clock and voltage switching  
A method for computing the optimal power mode for a system-on-chip (SoC) in which both the clock and Vdd settings are controlled. Information from hardware blocks is synthesized into a global power...
8050061 Control circuit for switching power supply  
A control circuit for a switching power supply (SPS) includes power input and output interfaces, a relay, a relay driving circuit, a microprocessor, and an alternating current/directing current...
8026635 Power over ethernet power sourcing equipment architecture for variable maximum power delivery  
A power over Ethernet (PoE) power sourcing equipment (PSE) architecture for variable maximum power delivery. PoE PSE subsystems rely on some control to “turn on” a power field effect transistor (FE...
8008802 Bi-level switching with power packs  
An electrical power pack may include a first power switch and a cycle control to cycle between the first power switch and a second power switch. An electrical power pack may include a first power...
8006132 Storage subsystem and power supply system  
The present invention includes a plurality of disk units for storing data from a host computer, a plurality of power supply apparatuses for supplying DC power to each of the disk units via main...
7999483 Circuit arrangement and method for actuating an electrical load  
A circuit arrangement (1) for driving an electrical load (13) comprises a first and a second terminal (2, 3) for feeding a first and a second control signal (S1, S2), a first output (23), to which...
7994653 Pluggable power management module for a power distribution panel  
One aspect provides a pluggable power management module, comprising a module housing having input and output pluggable connectors extending therefrom configured to be couplable to a corresponding...
7992027 Power supply device and storage control device  
The power supply device of the present invention supplies power individually to a plurality of disk drives by rendering a plurality of DC/DC converters redundant. One redundant power supply...
7982336 Power sharing with stackable switches  
Power is automatically allocated among a plurality of network switches, such as a plurality of stackable switches. In one embodiment, one device in the network is designated as a “master” dev...
7952227 Feed intermediate apparatus, feeding system, and feed intermediate method  
A feed hub includes a priority receiving unit that acquires priority indicating degree of need of electricity feed, for each of plural terminals, a feed relation determining unit that selects two...
7944084 Peripheral module and peripheral system for an automation system  
There is described a peripheral module which in addition to the connection terminals for the process data supply has connection terminals for the supply of voltage. Furthermore, the peripheral...
7933694 Power supply system and vehicle including the same, and method of controlling power supply system  
A CD mode electric power allocation ratio calculation unit calculates an electric power allocation ratio between a first power storage device and a power storage device connected to a second...
7932631 Power allocating apparatus  
A power allocating apparatus has a plurality of power supply modules coupled to a plurality of loads via a plurality of power lines, respectively. The power allocating apparatus includes a first...
7933689 Method for controlling at least one load connected to a primary and a backup power supply  
A method for controlling at least one load connected to a primary and a backup power supply having sensor for sensing a voltage on the primary power supply with a first voltage sensor; sensor for...
7923866 Power supply system and vehicle including the same, and method of controlling the same  
When power storage units and are both in a normal condition, system relays are maintained in an ON state. A converter performs a voltage conversion operation in accordance with a voltage control...
7890776 Use of priority information to intelligently allocate power for personal computing devices in a Power-over-Ethernet system  
A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In an enterprise environment made up of one or more personal...
7859130 Device for supplying power to equipment with varying requirements for the power supply  
The invention relates to a device for supplying power to equipment disposed in a space, with varying requirements for the power supply, comprising a main distributor which can be connected to a...
7831843 Apparatus and methods for managing power in an information handling system  
A method of controlling power supplies in an information handling system, comprising measuring a power consumption of each of a plurality of electrical devices in the information handling system...
7825536 Intelligent power system  
An intelligent power system includes one or more common power sources and one or more subsystem components interconnected with the common power sources. Each common power source includes a...
7800246 Electronic device with redundant fan control function  
An electronic device with redundant fan control function includes a first fan, a first control module, a first power supply, a first switch unit, a second fan, a second control module, a second...
7795848 Method and circuit for generating output voltages from input voltage  
A power supply circuit that accurately generates output voltages with the same regulator includes a regulator for generating a first output voltage from an input voltage. A first switch circuit,...
7750501 System and method of over voltage control for a power system  
A system and method for preventing over voltages in a power system coupled to an electric machine are disclosed. Briefly described, one embodiment is a method comprising detecting an operating...
7750499 Device for limiting current of electric appliance  
Provided is a device for limiting a current of electric appliance. The current limiting device includes: at least two loads; at least two load driving units connected to the loads to control...
7732943 Method and a device for selecting and dimensioning measures in a case of instability in an electrical power system  
A method for determining/dimensioning measures for restoring an electrical power system, which experiences or is heading for a voltage instability, to a steady-state condition, wherein there is no...
7723864 AC-to-DC electrical switching circuit  
An electrical circuit and method for switching an input voltage onto a load by way of an AC control voltage is provided. A voltage magnitude reduction circuit is configured to be driven by the AC...
7709978 System interface and installation with the system interface  
It is normal practice in automation to network individual components of an installation via bus lines, with this network carrying out a multiplicity of communication and supply tasks during...
7701083 Portable hybrid applications for AC/DC load sharing  
Portable hybrid applications for AC/DC load sharing includes circuitry for simultaneously using at least one of external AC, internal DC power and/or external DC power. The apparatus also includes...
7701084 Universal power supply apparatus  
The present invention relates to a power supply apparatus, more particularity to a universal power supply apparatus which is applicable to various portable electronics devices made by different...
7701085 Grid interconnection device, grid interconnection system and power control system  
The grid interconnection device connected to the bank where alternating-current power is transmitted and to the power supply device provided to a customer includes: a detector detecting start of...
7696640 Power over Ethernet power sourcing equipment architecture for variable maximum power delivery  
A power over Ethernet (PoE) power sourcing equipment (PSE) architecture for variable maximum power delivery. PoE PSE subsystems rely on some control to “turn on” a power field effect transistor (FE...
7675195 Load control system having a plurality of repeater devices  
A load control system comprises a plurality of control devices, each coupled to one of a plurality of device communication links. The device communication links are each coupled to a one of a...
7663268 Converters for high power applications  
Multilevel high power converters, referred to as hexagram converters, which preferably include a combination of six three-phase converter modules, are provided herein. The three-phase converter...
7642620 Semiconductor apparatus  
It is an object of the present invention to provide a semiconductor apparatus for solving a trade-off between the area, power consumption, noise and accuracy of correction of a variation correction...
7633180 Electronic apparatus and starting method of the electronic apparatus  
A starting method of an electronic apparatus wherein power supplies of a plurality of the electronic apparatuses are started in order, the starting method includes the steps of resetting the...
7629784 Voltage supply arrangement and method for production of electrical power  
A voltage supply arrangement is proposed, which provides a voltage from a first power range in a first operating mode and from a second power range in a second operating mode, to a first electrical...
7626365 Charging system and method  
The invention concerns a method (200) and system (100) for charging a battery (110). The method includes the steps of receiving (212) an input power supply signal (300), monitoring (216) the input...
7612466 System and method for coordinated control and utilization of local storage and generation, with a power grid  
Our system improves the efficiency and functionality of a grid-interactive or grid-tied power system that utilizes one or more local power sources and one or more local energy storage devices. The...
7608942 Power management system  
An integrated circuit (103) having a plurality of integrated circuit portions (111, 113, and 115) where each of the plurality of integrated circuit portions receives a corresponding voltage of a...
7605492 Power supply system and method for supplying power to a vehicle  
A power supply system is provided that can operate with energy storage units of varying voltages and temperatures, that can correct voltage and temperature deviations, and that can continue to...
7602081 System and method for providing power and control through a rotating interface  
Embodiments of the present invention provide a system (10) operable to provide power and control through a rotating interface. The system (10) generally includes a control unit (12) and a...
7592715 Multiple sources of operating power to a load  
A system comprises a first power supply, a second power supply, and a load coupled to the first and second power supplies via separate power connectors. The load receives separate operating power...
7557461 Power supply device and power supply method  
The power supply device of the present invention supplies power highly reliably by suppressing an increase in costs even when a multiplicity of load groups are present. When operating normally,...
Matches 1 - 50 out of 229 1 2 3 4 5 >