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| Number | Title | Issue Date |
| 7994656 | Power supply system and method A power supply system includes a power supply, a daughterboard, and a motherboard. Output currents of power connectors of the motherboard and impedances of copper foils between every two adjacent power connectors of the motherboard are obtained via simulation. A vol... | 08/09/2011 |
| 7977818 | Safety device for plug and play solar energy system An apparatus and system for preventing branch circuit current overload in a non-dedicated branch circuit where current is supplied at least in part by a co-generation power system through an electrical receptacle or outlet. Co-generation systems of this type are typ... | 07/12/2011 |
| 7964991 | Converter channelized uniform power distribution system A channelized uniform distribution power system controls individual channels of power converters with each channel of power converters having uniform output power as the channels are controlled by voltage control signals from respective controllers that are intercon... | 06/21/2011 |
| 7923861 | Method of controlling hybrid DC power supply system A fuel cell vehicle has a motor driven by an inverter and hybrid DC power supplies including a battery and a fuel cell for supplying electric power to the motor. For preventing a fuse connected to the battery from being blown out, when a motor current Im increases, ... | 04/12/2011 |
| 7667349 | Providing power to a load by controlling a plurality of generating devices An apparatus for controlling provision of power to a load by a plurality of generating devices in a plurality of phased signals during a first operating condition includes: (a) a sensing unit coupled with the load for presenting an indicator relating to load current... | 02/23/2010 |
| 7646112 | Parallel supply current sharing using thermal feedback The current sharing using thermal feedback, in accordance with various embodiments, includes controlling an amount of current output from each of a plurality of power modules based on the thermal characteristics of each respective power module. ... | 01/12/2010 |
| 7456517 | Methods and apparatus for controlled solid oxide fuel cell (SOFC)/turbine hybrid power generation A method for operating a pressurized solid oxide fuel cell/turbine (SOFC/turbine) hybrid power generation system in which the hybrid power generation system includes an SOFC generator and a turbine generator includes controlling airflow to the SOFC/turbine hybrid po... | 11/25/2008 |
| 7323794 | Independent control of output current balance between paralleled power units An information handling system power supply system has a plurality of power supply units (PSUs) with outputs connected in parallel and a current balancing circuit for equalizing current from these outputs. A pseudo output current value may be added to the actual out... | 01/29/2008 |
| 7301313 | Multiple voltage regulators for use with a single load Multiple voltage regulators for use with a single load. The present invention allows power to be supplied to an electrical load using multiple voltage regulators based on the operating environment of the load. In one embodiment, a primary voltage regulator that is b... | 11/27/2007 |
| 7276815 | Power management system A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the electrical system and calculating a threshold power value for the en... | 10/02/2007 |
| 7263476 | High speed information processing and mass storage system and method, particularly for information and application servers A high speed, microcomputer based, Fibre Channel compatible and fault tolerant information processing and mass storage system especially suited for information servers and application servers. A unique and extremely versatile system architecture, including a dual lo... | 08/28/2007 |
| 7209357 | Universal modular power supply carrier A universal modular power supply carrier mounts different sized power supplies within a substantially rectangular body designed for thermal and electromagnetic emissions control. The power supplies are preferably secured within the carrier body. Input connectors may... | 04/24/2007 |
| 7154748 | Cooling structure of electronic equipment and information processing equipment using the cooling structure A cooling structure of an electronic equipment includes substrate housing parts, an upstream side duct, a downstream side duct, an exhaust device and an air adjusting part. The substrate housing parts detachably house therein one or plurality of substrate units, and... | 12/26/2006 |
| 7095138 | Controller for plural supplies driving single load A controller is disclosed for determining that the currents from the two AC power sources are correctly phased. Required circuitry can be disposed within a housing from which extend power cables having single phase 240V AC, 50 A male connector plugs connected at rem... | 08/22/2006 |
| 7075977 | Circuit for a transceiver output port of a local area networking device A driving circuit for a transceiver output port of a local area networking device is provided, including first and second current sources coupled to the ground, first and second resistors coupled to the supply voltage with the resistances of the first and second res... | 07/11/2006 |
| 7053503 | Cross current compensation control system for a power system Across current compensation control system includes a cross current detection compensator having an input terminal to which a cross connection line that cross-connects the secondary sides of auxiliary current transformers (CTs) are connected, and an output terminal ... | 05/30/2006 |
| 7000122 | Managing system and synchronization method for a plurality of VRM-type modules A managing system manages a plurality of VRMs associated with a plurality of microprocessors and connected in parallel together between first and second voltage references, the VRMs having output terminals connected together and arranged to communicate over a common... | 02/14/2006 |
| 6961242 | System fan management based on system loading options for a system having replaceable electronics modules An electronic system has independently coolable first and second zones. The electronic system includes a first zone having a first zone fan and a plurality of first zone connectors for connecting electronic modules and a second zone having a second fan zone and a pl... | 11/01/2005 |
| 6947287 | Universal modular power supply carrier A universal modular power supply carrier mounts different sized power supplies within a substantially rectangular body designed for thermal and electromagnetic emissions control. The power supplies are preferably secured within the carrier body. Input connectors may... | 09/20/2005 |
| 6922337 | Circuit card divider to facilitate thermal management in an electronic system A divider for separating integrated circuit cards in a card cage comprises a planar member, at least one engagement edge disposed on the planar member and capable of engaging a slot in the card cage, and at least one aperture formed in and extending fully through th... | 07/26/2005 |
| 6608402 | Circuits and methods for controlling load sharing by multiple power supplies Circuits and methods for controlling load sharing by multiple power supplies are provided. In preferred embodiments, load share controllers utilize multiple voltage control loops to monitor the output voltages that are being provided by multiple power sup... | 08/19/2003 |
| 6465909 | Circuits and methods for controlling load sharing by multiple power supplies Circuits and methods for controlling load sharing by multiple power supplies are provided. In preferred embodiments, load share controllers utilize multiple voltage control loops to monitor the output voltages that are being provided by multiple power sup... | 10/15/2002 |
| 6320278 | Power supply circuit A power supply device of the present invention includes an electric double layer capacitor connected to, e.g., an HDD (Hard Disk Drive), CD-ROM (Compact Disk Read Only Memory) drive, floppy disk drive or similar motor-driven equipment, and another electri... | 11/20/2001 |
| 6005368 | Charging system for computer with docking station A portable computer and docking station combination, comprising first and second batteries and first and second battery charging circuit portions, with automatic sequencing of charging between the batteries. The system includes means for charging a first ... | 12/21/1999 |
| 5672958 | Method and apparatus for modifying feedback sensing for a redundant power supply system A feedback sensing system including a control circuit for detecting power failure of either power supply, and for controlling first and second switch circuits to modify the feedback sensing path of the other supply to the output load. In this manner, when... | 09/30/1997 |
| 5471099 | Modular enclosure apparatus Disclosed herein is a modular enclosure apparatus for personal computers and/or work stations having a plurality of removable and replaceable modules. These modules include a cooling module for cooling the enclosure; a memory storage device module having ... | 11/28/1995 |
| 5428524 | Method and apparatus for current sharing among multiple power supplies An apparatus and method for current sharing among multiple power supplies is disclosed. The output current of each power supply is compared in an amplifier which produces an output signal. This signal controls a transistor used to enable or disable curren... | 06/27/1995 |
| 5208485 | Apparatus for controlling current through a plurality of resistive loads Disclosed is an electrical control circuit (10) for controlling current through a plurality of resistive loads (14(1), 14(2) . . . 14(N)). The control circuit includes a plurality of current control stages (12(1), 12(2), . . . 12(N)), a comparator circuit... | 05/04/1993 |
| 5200643 | Parallel electric power supplies with current sharing and redundancy An electric power system having power supplies connected in parallel to a common bus includes a voltage feedback and current feedback loop for each supply. A voltage feedback signal and a current feedback signal are combined with a reference signal to pro... | 04/06/1993 |
| 5157269 | Load current sharing circuit A load current sharing circuit is disclosed that allows multiple independent power modules, either switching or linear, to be connected in a parallel configuration such that each module delivers only its proportionate share of the load current. Each modul... | 10/20/1992 |
| 5103109 | Ground-loop interruption circuit An output circuit (62) for generating a signal in the form of a voltage between an output signal node and an output reference node (60) receives power from a pair of voltage regulators (Q1 and 68, Q2 and 70). The regulators are connected in power-circuit ... | 04/07/1992 |
| 5038265 | Power supply with multiple outputs and load balancing A power supply with multiple outputs including at least two power converters, each with multiple outputs, a first output of a first power converter being connected in parallel with a first output of a second converter to provide a first load with current.... | 08/06/1991 |
| 4973857 | Current divider circuit A current divider circuit includes a node (22) which receives a signal current (I) and divides the signal current (I) between one or more first current paths formed by a first type of impedance element (T1' to TN') and one or more second current paths (28... | 11/27/1990 |
| 4866295 | Power supply control systems A power supply control system controls at least two variable power supplies feeding a common load connected to a common output terminal. A sensor monitors the current drawn by each power supply in dependence upon the difference detected in a sense to redu... | 09/12/1989 |
| 4814631 | Electrical power supply having a variable output An electrical power supply having a variable output, the power supply comprising one pair of sources of e.m.f., these sources being interconnected in parallel, each portion of the parallel circuit comprising the source being connected in series with a dio... | 03/21/1989 |
| 4748340 | Load share system A load share system which connects to the power outputs of two power supplies to determine any deviation of the output currents relative to each other and provides a correction signal representative of the deviation. The system generates two balance signa... | 05/31/1988 |
| 4729086 | Power supply system which shares current from a single redundant supply with multiple segmented loads A power supply system includes a plurality of dedicated power supplies, each of which has a separate output terminal for furnishing output current to just one respective load. Each dedicated power supply has a switch for turning the supply on and off inde... | 03/01/1988 |
| 4717833 | Single wire current share paralleling of power supplies Each of a plurality of parallel connected power supplies is controlled by a parallel control circuit which measures the output current from each power supply and compares this output current to the average output current produced by all the power supplies... | 01/05/1988 |
| 4641372 | Power feeding submarine telecommunications systems An optical undersea telecommunications system has a main cable (1) which branches (BU1) near a landfall to two separate stations. Each branch (71,81) supplies half the current of the main cable (1) for powering the regenerators. In the event of a fault in... | 02/03/1987 |
| 4609828 | Single wire current share paralleling of power supplies Each of a plurality of parallel connected power supplies is controlled by a parallel control circuit which measures the output current from each power supply and compares this output current to the average output current produced by all the power supplies... | 09/02/1986 |
