Electrical Power Distribution Patents (Class 700/22)
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Patent number: 7499762Abstract: The future of the utility industry will be defined by how its leaders can transform the grid from a “passive” network of cables, wires, poles, and other hardware to a self-aware and fully controllable grid system—an Intelligent Grid System (IGS). We will discuss a novel set of design guidelines for utilities (and other industries) to build their own Open Intelligent Grid System with the lowest possible risk and cost, while achieving the architectural criteria, technical features and functions required. We will discuss how to avoid the dead ends to which limited design and architecture can lead, and we will lay out the design solutions that will overcome the business and technical challenges posed by an array of technology products and business imperatives. Using IGIN (Intelligent Grid Interface Node), one can integrate or connect hybrid networks for different purposes, such as power electric industry, telecommunication, computer network, and Internet.Type: GrantFiled: March 21, 2006Date of Patent: March 3, 2009Assignee: Digitalogic, Inc.Inventor: Ali Khorramshahi
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Patent number: 7489974Abstract: The information processing apparatus includes: information processing unit configured to process various information; an interface capable of supplying electrical power to and communicating a signal with an electronic device external to the apparatus through a single connector; a power supply unit capable of supplying electrical power to the electronic device through the interface; electronic device detection unit configured to detect connection of the electronic device to the apparatus; external power supply detection unit configured to detect connection of an external power supply to the apparatus; and power supply control unit, when the connection of the electronic device and the external power supply to the apparatus are detected, configured to keep supplying electrical power to the electronic device even after deactivation of the apparatus, in the event an instruction to turn off a power supply of the apparatus or deactivate the apparatus is issued.Type: GrantFiled: August 10, 2005Date of Patent: February 10, 2009Assignee: Kabushiki Kaisha ToshibaInventor: Fujihito Numano
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Patent number: 7489989Abstract: A system for dispatching and controlling generation in an electric power system consisting of a plurality of power units comprises a computer with dispatching optimization module connected by communications means to the power units. According to the invention, in the electric power system consisting of a plurality of subsystems each comprising a plurality of power plants provided with power units, said computer is a higher-layer computer and the specified load dispatching optimization module is designed to determine parameters for an optimal interchange of power and energy between subsystems.Type: GrantFiled: March 10, 2005Date of Patent: February 10, 2009Inventors: Oleg Alexeevich Sukhanov, Yury Vladimirovich Sharov, Vasily Alexeevich Makeechev
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Patent number: 7489975Abstract: A power supply apparatus includes a power converting unit for switching DC power on the basis of a pulse signal having a predetermined ON-pulse time and a predetermined pulse period, as pulse elements, thereafter smoothing the switched power, and outputting a predetermined power voltage, a control unit for calculating a new pulse-element on the basis of an output of the power converting unit, and a pulse generating unit for generating a pulse signal on the basis of the new pulse-element instructed from the control unit. The pulse generating unit generates the pulse signal of the new pulse-element from the instructed timing without waiting for a next pulse-period, even if the timing for instructing the new pulse-element from the control unit is any timing during the pulse period, irrespective of the ON-pulse time and an OFF-pulse time.Type: GrantFiled: May 31, 2006Date of Patent: February 10, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Hirohito Motomiya, Shizuo Morioka
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Publication number: 20090005885Abstract: According to some embodiments, information about a power delivery stage is determined for a plurality of operating condition values. The determined information may then be stored in a dynamic look-up table of an adaptive tracking controller engine according to some embodiments. Other embodiments are described.Type: ApplicationFiled: June 29, 2007Publication date: January 1, 2009Inventors: Jaber Abu Qahouq, Lilly Huang
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Publication number: 20080300828Abstract: Maintenance guidance is provided so that maintenance work is carried out without distinguishing operating state replacement/non-operating state replacement, faulty component replacement/preventive maintenance replacement, or replacement/expansion, and that an operator can carry out maintenance work without operation errors. To achieve such maintenance guidance, there are included: a component selection screen display unit that displays a plurality of components which can be maintenance targets, to allow the operator to select a maintenance target component; lo a state determination unit that determines a power state or an installation state of the maintenance target component selected by the selection screen display unit; and an instruction screen display unit that gives an instruction to carry out maintenance work in accordance with the determination state determined by the state determination unit.Type: ApplicationFiled: August 7, 2008Publication date: December 4, 2008Applicant: FUJITSU LIMITEDInventor: Kazumi KOJIMA
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Publication number: 20080294273Abstract: The present invention relates to combination control systems employing at least one intermediate module between different control modules and, in one embodiment, relates to a system for isolating a load from multiple power sources. The system includes a first power isolation system capable of receiving a first power from a first input port and determining whether the first power is communicated to a first output port, and a second power isolation system capable of receiving a second power from a second input port and determining whether the second power is communicated to a second output port. The system further includes an intermediate module connected with the first and second power isolation systems, where the intermediate module allows for at least one intermediate control signal to be provided to both of the power isolation systems.Type: ApplicationFiled: August 4, 2008Publication date: November 27, 2008Inventor: Michael Scharnick
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Patent number: 7453353Abstract: Disclosed is a method and apparatus for reducing inbound interference in a broadband powerline communication system. Data modulated on first and second carrier frequencies is received via respective first and second lines of the powerline system. A characteristic of at least one of the carrier signals (e.g., phase or amplitude) is adjusted at the receiver in order to reduce the effects of inbound interference on the transmission system. The adjustment parameters may be determined by adjusting the parameters, during a period of no data transmission, until the output of a differential receiver is zero.Type: GrantFiled: May 3, 2006Date of Patent: November 18, 2008Assignee: AT&T Intellectual Property II, L.P.Inventor: Paul Shala Henry
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Publication number: 20080281437Abstract: The present disclosure relates to monitoring of electromechanical oscillations in electric power systems, and their identification by an adaptive algorithm based on a repeatedly measured and evaluated signal. In order for an estimation of parameters of a model of the power system to reasonably converge, proper initialization of the recursive calculation is required, including the definition of tuning parameters constraining the model and the calculation. Initialization for a second signal to be exploited can then be simplified by copying the set of tuning parameters tuned previously for a different signal. A conditioning gain multiplying the second signal establishes compatibility between the different signals, and a signal pre-filter in turn discards contributions beyond a frequency band comprising typical electromagnetic oscillations.Type: ApplicationFiled: April 29, 2008Publication date: November 13, 2008Applicant: ABB Research LtdInventors: Petr Korba, Marek Zima, Mats Larsson
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Patent number: 7451018Abstract: A control apparatus for a plurality of devices, especially circuit breakers. The control apparatus includes activation circuitry for each device, and a power supply for supplying electrical power to the activation circuitry. The control apparatus adds a respective electrical signature component to the supplied electrical power upon detection that a respective device has operated. The signature components allow analysis equipment to determine which device has operated by analysing the supplied electrical power.Type: GrantFiled: October 8, 2004Date of Patent: November 11, 2008Assignee: Kelman LimitedInventor: Robert Watson
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Patent number: 7444208Abstract: Each of connection data 11, . . . , or 15, of the downstream side of a socket 1, . . . , or 5 or a panel board 6, 7, or 8 in a power supply direction, is generated in a tap 16, a UPS 25 and 35, or a terminal 24 or 34, and each of the connection data is transmitted to a electrical system wiring diagram generating terminal 36. Then, a wiring diagram is generated, based on connecting information 91 of the upstream side, which is registered in the generating terminal 36, and the plural connection data of the downstream sides.Type: GrantFiled: September 10, 2001Date of Patent: October 28, 2008Assignee: Densei-Lambda K.K.Inventors: Hirokazu Kadoi, Fujitaka Togashi, Akinori Miyazaki, Kazuhiko Takano
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Publication number: 20080234838Abstract: An electrical power distribution system includes a data bus, separate from the main aircraft data bus, internal to the aircraft electrical power distribution system and an electric power control unit (EPCU) in communication with the internal data bus. Primary and emergency power distribution subsystems include line replaceable modules (LRM) connected in the aircraft electrical power distribution system as electrical load control units (ELCU), each having a common supervisory control interface in communication with the internal data bus, while a secondary power distribution subsystem includes LRMs connected in the aircraft electrical power distribution system as solid state power control (SSPC) units, each having the common supervisory control interface in communication with the internal data bus. The common supervisory control interfaces all execute a common supervisory control logic for receiving commutation commands from the EPCU and providing status back to the EPCU.Type: ApplicationFiled: January 23, 2008Publication date: September 25, 2008Inventors: Milind Ghanekar, Randy J. Fuller, Zhenning Z. Liu, Ted J. Gayowsky
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Patent number: 7412338Abstract: An energy measurement system including a radio frequency (“RF”) device powered by a solar panel. The RF device comprising a wireless communication port operative to transmit and receive communication over a wireless network of additional RF devices. The energy measurement system able to transmit energy parameters of the RF device over the wireless network.Type: GrantFiled: March 18, 2005Date of Patent: August 12, 2008Assignee: Power Measurement Ltd.Inventors: Arthur B. Wynans, Daniel Alan Cumming, Michael E. Teachman, Eric K. Haight, Daniel N. Loewen, Martin A. Hancock, Colin N. Gunn
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Patent number: 7406365Abstract: In some embodiments, a power manager may be coupled to a load circuit and configured to receive an input signal indicating a line disturbance on a power supply line and to reduce a load requirement of the load circuit in accordance with the received signal. The power manager may be configured to selectively reduce power to components with low entrance latency while continuing to provide full power to components with high entrance latency. Other embodiments are disclosed and claimed.Type: GrantFiled: March 31, 2006Date of Patent: July 29, 2008Assignee: Intel CorporationInventors: Annabelle Pratt, Eugene Gorbatov, Pavan Kumar, Tomm V. Aldridge
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Patent number: 7406364Abstract: A method to calculate energy demand in an energy generation, transmission and distribution network including one or more power plants based on different energy source types including renewable energy, a communications system and one or more local consumption metering units. A customer demand profile for one or more customers is provided. A customer-specified proportion of power demand to be supplied from a given energy source type is registered. A total predicted energy demand dependent is calculated in part on an accumulated demand for the given energy source type.Type: GrantFiled: September 12, 2002Date of Patent: July 29, 2008Assignee: ABB ABInventors: Anders Andrén, Peter Löfgren, Markku Rissanen, Gang Zhou
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Patent number: 7397228Abstract: Disclosed herein is a system for controlling power supply voltage to an on-chip power distribution network. The system incorporates a programmable on-chip sensing network that can be selectively connected to the power distribution network at multiple locations. When the sensing network is selectively connected to the power distribution network at an optimal sensing point, a local voltage feedback signal from that optimal sensing point is generated and used to adjust the power supply voltage and, thus, to manage voltage distribution across the power distribution network. Additionally, the system incorporates a policy for managing the voltage distribution across the power distribution network, a means for profiling voltage drops across the power distribution network and a means for selecting the optimal sensing point based on the policy and the profile. Another embodiment of the system can further control power supply voltages to multiple power distribution networks on the same chip.Type: GrantFiled: January 12, 2006Date of Patent: July 8, 2008Assignee: International Business Machines CorporationInventors: Corey K. Barrows, Douglas W. Kemerer, Douglas W. Sinut, Peter A. Twombly
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Patent number: 7392099Abstract: A system comprises power management logic and an electrical load coupled to the power management logic. The electrical load is configurable to operate in accordance with any of a plurality of power states. The power management logic forces the electrical load to operate in a reduced power state if an operating voltage for the system is between two thresholds.Type: GrantFiled: December 12, 2003Date of Patent: June 24, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventors: Lee W. Atkinson, Barry N. Carroll
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Patent number: 7386744Abstract: A rack equipment power pricing plan control system and method is presented. In one embodiment of the present invention, a power pricing plan rack equipment control method is utilized to control operation of rack equipment. A power pricing plan for operating the rack equipment is established. The rack equipment is operated in accordance with the power pricing plan.Type: GrantFiled: March 15, 2004Date of Patent: June 10, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventors: Andrew Harvey Barr, Kirk Michael Bresniker, Ricardo E. Espinoza-Ibarra
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Patent number: 7385503Abstract: A network includes a plurality of wirelessly interconnected self-organizing network (SON) devices for relaying signals in a self-organizing network and a field device for originating output signals. The sensor is configured to transmit the output signals to at least one of the SON devices, and the SON devices do not originate signals but only relay signals originated externally. At least one of the SON devices is self-powered by harvesting energy from an adjacent energy source.Type: GrantFiled: August 3, 2006Date of Patent: June 10, 2008Assignee: Rosemount, Inc.Inventors: Christopher Ashley Wells, Robert J. Karschnia
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Publication number: 20080103609Abstract: Embodiments of determining power are disclosed.Type: ApplicationFiled: October 12, 2006Publication date: May 1, 2008Inventor: David E. Smith
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Patent number: 7366924Abstract: A power adapter comprises a power supply to output power for powering a powered device when the powered device is coupled to the power adapter. The power adapter further comprises a disable throttle indicator that, when the powered device is coupled to the power adapter, indicates to the powered device that the powered device need not reduce an amount of power used by the powered device in order to keep the power adapter within regulation.Type: GrantFiled: April 25, 2005Date of Patent: April 29, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventors: Paul M. Hupman, Michael D. Batchelor
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Publication number: 20080086222Abstract: An intelligent electronic device having an audible and visual interface for providing audible and visual instructions to a user in an event of an alarm or trouble indication in the electrical power system. The intelligent electronic device includes at least one sensor configured for measuring at least one power parameter of an electrical circuit and generating at least one analog signal indicative of the at least one power parameter; at least one digital to analog converter for receiving the at least one analog signal and converting the at least one analog signal to at least one digital signal; a processor configured for receiving the at least one digital signal and detecting at least one event occurring in the electrical circuit; and an interface configured for providing instructions associated to the at least one detected event. The instructions may be in the form of text, audio and/or video.Type: ApplicationFiled: October 30, 2006Publication date: April 10, 2008Applicant: Electro Industries/Gauge Tech.Inventor: Erran Kagan
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Publication number: 20080077280Abstract: A dynamically configurable electrical distribution system is provided for selectively connecting an electrical power source to load devices. The system comprises an electrical distribution panel and a plurality of switching devices mounted in the panel each electrically connected between an electrical power source and an associated load device for selectively delivering electrical power to the associated load device. A control system is mounted to the panel for controlling operation of the switching devices. The control system comprises a programmed controller for commanding operation of the switching devices. A memory stores configuration information relating to operation of the switching devices. The control system further comprises a user interface device. The program controller is programmed to implement a configuration routine enabling a user to define operation of the switching devices using the user interface.Type: ApplicationFiled: December 7, 2006Publication date: March 27, 2008Inventors: John DeBoer, Seshagiri R. Marellapudi, Ravikumar Balasubramaniam, Scott Knarich
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Publication number: 20080067997Abstract: A power feeding system includes a power feeding apparatus and a power line communication unit. The power feeding apparatus feeds power from a power line to an external apparatus. The power line communication unit communicates via the power line, which is a communication medium. The power feeding apparatus includes an acquisition unit, a restriction unit and a determination unit. The acquisition unit acquires restriction information used to restrict the feeding of the power to the external apparatus. The restriction unit restricts the feeding of the power to the external apparatus to which the power feeding apparatus is to feed the power. The determination unit determines as to whether or not the restriction unit has to restrict the feeding of the power, based on the restriction information acquired by the acquisition unit.Type: ApplicationFiled: March 27, 2007Publication date: March 20, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Masahiko Miyata, Seiji Honda
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Patent number: 7337183Abstract: According to one embodiment of the invention, a computerized method of providing information to a customer in the power industry includes automatically receiving data representing a plurality of characteristics of a power plant device associated with a power plant of the customer based on monitoring of the power plant device, in which the data is received at a location remote from the power plant, processing the data, generating one or more outputs representative of the processed data, displaying, by a web page of a website, at least one of the outputs in response to a request by the customer, and displaying, by the web page, diagnostic information related to the displayed output.Type: GrantFiled: November 19, 2002Date of Patent: February 26, 2008Assignee: Siemens Power Generation, Inc.Inventor: Lee A. Near
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Patent number: 7337081Abstract: A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes stepping down the secondary waveform and generating a corresponding output signal; operating on the corresponding output signal for generating a corresponding first digital signal having a value proportional to the corresponding output signal and within a first range; and operating on the corresponding output signal for generating a corresponding second digital signal having a value proportional to the corresponding output signal and within a second range. The method further includes processing the first digital signal and outputting a corresponding first output signal; processing the second digital signal and outputting a corresponding second output signal; processing the first and second output signals; and generating output corresponding to the processing of the first and second output signals.Type: GrantFiled: January 27, 2006Date of Patent: February 26, 2008Assignee: Electro Industries/Gauge TechInventor: Erran Kagan
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Patent number: 7336201Abstract: A remote energy meter system and method is provided having a meter server and a client module located remotely from the meter server. The meter server communicates with the client via a wireless communications link to recover energy production parameter values. The remote energy meter system preferably provides real-time and automated monitoring of, at least, energy production and system failure parameters.Type: GrantFiled: July 8, 2005Date of Patent: February 26, 2008Inventors: Ezra Green, Robert Dockweiler, William O'Connor
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Patent number: 7333880Abstract: A method and system for controlling distributed energy resources is provided. Notification of an upcoming regional power distribution event is received and a distributed energy resource affected by the upcoming event is determined or identified. A first notification message is sent to an affected distributed energy resource asset owner or other administrator to notify the distributed energy resource asset of the event. An event data process is initiated to monitor and collect data associated with the event and an event control process is initiated to control one or more affected distributed energy resource asset during the event. The event control process and the event data process are terminated at the end of the event.Type: GrantFiled: August 19, 2005Date of Patent: February 19, 2008Assignee: EnerNOC, Inc.Inventors: David B. Brewster, Timothy G. Healy
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Patent number: 7333860Abstract: A semiconductor power supplying apparatus driven by a power source includes at least two driven circuits for performing prescribed data processing when electric power is supplied. An electric power supplying circuit is provided so as to convert power from the power source as needed to supply at least two driven circuits with electric power in accordance with voltages that the driven circuits need. A driven circuit power supplying condition signal generating device is provided so as to generate a driven circuit power supplying condition signal for determining a power supplying condition of all of the at least two driven circuits. A power supplying control signal generation circuit is also provided so as to generate a power supplying control signal for controlling operation of the power supplying circuit.Type: GrantFiled: September 23, 2005Date of Patent: February 19, 2008Assignee: Ricoh Company, Ltd.Inventor: Tatsuya Fujii
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Patent number: 7319908Abstract: A system that facilitates managing resources (e.g., functionality, services) based at least in part upon an established context. More particularly, a context determination component can be employed to establish a context by processing sensor inputs or learning/inferring a user action/preference. Once the context is established via context determination component, a power/mode management component can be employed to activate and/or mask resources in accordance with the established context. The power and mode management of the device can extend life of a power source (e.g., battery) and mask functionality in accordance with a user and/or device state.Type: GrantFiled: October 28, 2005Date of Patent: January 15, 2008Assignee: Microsoft CorporationInventors: Michael J. Sinclair, David W. Williams, Zhengyou Zhang, Zicheng Liu
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Patent number: 7286905Abstract: A method for calculating availability in line power systems composed of power circuit modules determines power circuit parameters associated with the power circuits, accepting input from central databases. The method calculates a required number of power circuits to complete the line power system, and calculates the total power to be delivered over the power system, based on a power calculator. The method calculates individual power circuit availabilities based on the power circuit compositions and external variables. The method then calculates an overall system availability based on the power circuit availabilities and other external variable inputs. The method may compare the calculated line power system availability with a target availability, revise the power circuit parameters, and recalculate the system availability to meet the target availability.Type: GrantFiled: November 16, 2005Date of Patent: October 23, 2007Assignee: AT&T Knowledge Ventures, L.P.Inventors: David L. Kimble, Arvind R. Mallya
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Publication number: 20070239288Abstract: A power system is provided to include a powerbox having a first storing module and a second programmable storing module for storing program segments. The program segments is for setting the on/off schedule of the powerbox. The first storing module and the second storing module are connected to each other. An input device is connected to the powerbox for input of commands thereto. The first storing module stores a program for identifying and executing the commands and running the program segments in the second storing module according to the commands. A display device is connected to the powerbox for showing results of executing the commands. A work flow of the power system is provided for controlling a powerbox to be powered on or off alternately, includes receiving a command via the input device, determining type of the command, and executing the commands according to the content thereof.Type: ApplicationFiled: July 14, 2006Publication date: October 11, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Ping Liu, Li-Ping Chen
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Patent number: 7260487Abstract: A histogram difference method and system for power/performance measurement and management has low data storage requirements while supporting multiple monitoring applications having different update rates. Histogram data for power usage and/or performance mode is collected at a predetermined rate and the histogram data is read out at periodic intervals by the monitoring applications. The monitoring applications subtract the histogram data from previously read histogram data set to determine a interval difference histogram. The minimum and maximum values for the interval are the lowest-valued and highest-valued bin in the interval difference histogram that have a count greater than zero. The average value for the interval is the mean of the interval difference histogram. A conservative bound of the maximum and minimum values for a system can be determined by adding the values of the maximum and minimum values determined for each subsystem in the system.Type: GrantFiled: November 29, 2005Date of Patent: August 21, 2007Assignee: International Business Machines CorporationInventors: Thomas M. Brey, Charles R. Lefurgy, Mark A. Rinaldi, Malcolm S. Ware
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Patent number: 7257466Abstract: A control device operates to selectively provision power. The control device can be implemented as part of an electrical apparatus, such as a computer, television, VCR, hairdryer or other device which operates on AC power. The control device can be also implemented as part of a common power outlet or breaker system typically found in businesses and households.Type: GrantFiled: December 2, 2004Date of Patent: August 14, 2007Assignee: AT&T Intellectual Property, Inc.Inventor: Barrett Kreiner
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Publication number: 20070185590Abstract: System and method for providing a programmable power supply. The programmable power supply may include a programmable hardware element (PHE) that couples to a power supply (DC-DC converter) and which in turn couples to a linear regulator. The PHE may implement a PID control algorithm that receives a measurement of the output power and may use PID and/or non-linear control to ensure that the power supply and the linear regulator maintain similar power levels. The PHE may be configured based on a graphical program, thus enabling fast and efficient modifications to the programmable power supply.Type: ApplicationFiled: January 8, 2007Publication date: August 9, 2007Inventors: Kenneth A. Reindel, George C. Topala, Gustavo Jesus Castro
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Publication number: 20070176731Abstract: An in vehicle device transfers connection information to a power management device, the connection information indicating whether the in-vehicle device can communicate with the power management device. The in-vehicle device either transfers condition information to the power management device, the condition information indicating that the in-vehicle device is ready for turning off, or sets the in-vehicle device to not communicate with the power management device when a predetermined condition is met, the predetermined condition indicative of an inability of the in-vehicle device to transfer information to the power management device. The power management device requests the connection information from the in-vehicle device and requests the condition information from the in-vehicle device.Type: ApplicationFiled: January 11, 2007Publication date: August 2, 2007Applicant: AISIN AW CO, LTD.Inventor: Hiroyuki Asai
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Patent number: 7249267Abstract: A method and system is provided for programming the digital filter compensation coefficients of a digitally controlled switched mode power supply within a distributed power system. The distributed power system comprises a plurality of point-of-load (POL) regulators each comprising at least one power switch adapted to convey power to a load and a digital controller adapted to control operation of the power switch responsive to a feedback measurement. The digital controller further comprises a digital filter having a transfer function defined by plural filter coefficients. A serial data bus operatively connects each of the plurality of POL regulators. A system controller is connected to the serial data bus and is adapted to communicate digital data to the plurality of POL regulators via the serial data bus. The digital data includes programming data for programming the plural filter coefficients. The system controller further comprises a user interface adapted to receive the programming data therefrom.Type: GrantFiled: July 12, 2004Date of Patent: July 24, 2007Assignee: Power-One, Inc.Inventor: Alain Chapuis
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Patent number: 7236099Abstract: A household appliance, includes an appliance cabinet, an appliance user interface having multiple settings. Each setting has multiple selection options. There is a bi-color LED associated with each of the selection options. The bi-colored LEDs are used to indicate the current settings of the appliance and the availability of appliance selection options. The bi-colored LEDs can also be used to provide feedback during programming of the settings of the household appliance.Type: GrantFiled: April 1, 2005Date of Patent: June 26, 2007Assignee: Maytag CorporationInventor: Denise L. Schult
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Patent number: 7216021Abstract: A system for managing energy consumption has a data storage module, a calculation module and an operation planning module. The data storage module stores an operational past record of a unit belonging to a facility to be managed by the system. The calculation module calculates wasteful energy consumption for the unit based on the operational past record stored in the data storage module. The operation planning module generates an operational plan for the unit belonging to the facility based on the wasteful energy consumption calculated by the calculation module.Type: GrantFiled: July 30, 2004Date of Patent: May 8, 2007Assignee: Hitachi, Ltd.Inventors: Masahiro Matsubara, Yasushi Harada, Yasuo Sato, Nobuhisa Kobayashi, Junichi Yamada
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Patent number: 7196487Abstract: The present invention discloses a system and method for confining a robot to a particular space. The system includes a portable barrier signal transmitter that produces a barrier signal primarily along an axis, and a mobile robot capable of avoiding the barrier signal upon detection of the barrier signal. In the preferred embodiment the barrier signal is emitted in an infrared frequency and the robot includes an omni-directional signal detector. Upon detection of the signal, the robot turns in a direction selected by a barrier avoidance algorithm until the barrier signal is no longer detected.Type: GrantFiled: September 8, 2005Date of Patent: March 27, 2007Assignee: iRobot CorporationInventors: Joseph L. Jones, Philip R. Mass
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Patent number: 7188003Abstract: A power management architecture for an electrical power distribution system, or portion thereof, is disclosed. The architecture includes multiple intelligent electronic devices (“IED's”) distributed throughout the power distribution system to manage the flow and consumption of power from the system. The IED's are linked via a network to back-end servers. Power management application software and/or hardware components operate on the IED's and the back-end servers and inter-operate via the network to implement a power management application. The architecture provides a scalable and cost effective framework of hardware and software upon which such power management applications can operate to manage the distribution and consumption of electrical power by one or more utilities/suppliers and/or customers which provide and utilize the power distribution system. Security mechanisms are further provided which protect and otherwise ensure the authenticity of communications.Type: GrantFiled: January 5, 2004Date of Patent: March 6, 2007Assignee: Power Measurement Ltd.Inventors: Douglas S. Ransom, David A. Chivers, J. Bradford Forth, David W. Giles, Michael E. Teachman, Jeffrey W. Yeo, Chuen Shan Simon Ki
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Patent number: 7188004Abstract: Quick recovery or recovery support of a faulty power generating facility by real time diagnoses such as facility failure diagnosis, supervision for failure symptoms, facility diagnosis by evaluation of performance using databases between the power generating facilities and an operation control system. The operation control system transfers information on operating status and secular characteristic changes of apparatus from power generating facilities or information from operators of selected power generating facilities. The level of a failure of a power generating facility which has a failure is evaluated and repairing information (e.g. recovery procedures, processes, required parts, inventory of the parts, possible failure causes, etc.) is automatically created from repairing information prepared in advance for each evaluation condition. The repairing information is then sent to the operation supporting section of the power generating facility.Type: GrantFiled: January 29, 2004Date of Patent: March 6, 2007Assignee: Hitachi, Ltd.Inventors: Naoyuki Nagafuchi, Yasushi Iwai, Hiraku Ikeda
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Patent number: 7181293Abstract: A system and method for enabling home power management. The method includes polling a plurality of power managed appliances in a network to determine a power state for each of the power managed appliances. Based on a corresponding power rating for the power state of each of the power managed appliances, determining an overall power utilization for the network. If policy has been enacted for updating the power state of any of the plurality of power managed appliances, adjusting the power state of the power managed appliances to provide an optimized power management network.Type: GrantFiled: December 27, 2004Date of Patent: February 20, 2007Assignee: Intel CorporationInventors: Michael A. Rothman, Vincent J. Zimmer
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Patent number: 7166930Abstract: A UPS includes a UPS circuit that selectively supplies power to a load from first and second power sources, and a display (e.g., an LCD) coupled to the UPS circuit and operative to provide display graphical and/or textual information pertaining thereto. The UPS apparatus further comprises a backlight circuit coupled to the UPS circuit and operative to provide different backlightings of the display responsive to respective states of the UPS circuit.Type: GrantFiled: July 21, 2003Date of Patent: January 23, 2007Assignee: Eaton Power Quality CorporationInventor: Brian R. Young
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Patent number: 7167806Abstract: A present invention provides real-time temperature and power mapping of fully operating electronic devices. The method utilizes infrared (IR) temperature imaging, while an IR-transparent coolant flows through a specially designed cell directly over the electronic device. In order to determine the chip power distributions the individual temperature fields for each heat source of a given power and size on the chip (as realized by a scanning focused laser beam) are measured under the same cooling conditions. Then the measured chip temperature distribution is represented as a superposition of the temperature fields of these individual heat sources and the corresponding power distribution is calculated with a set of linear equations.Type: GrantFiled: August 17, 2004Date of Patent: January 23, 2007Assignee: International Business Machines CorporationInventors: Hendrik F. Hamann, James A. Lacey, Martin P. O'Boyle, Robert J. von Gutfeld, Jamil A. Wakil, Alan J. Weger
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Patent number: 7154253Abstract: A digitally controlled hybrid power module is controlled by a programmable controller. The hybrid power module includes a digitally controlled switching supply with an output coupled to an input of a digitally controlled linear voltage regulator. Independent control of switching supply and the linear regulator is provided by the programmable controller, which may be a field programmable gate array (FPGA), microcontroller, or digital signal processor (DSP). The programmable controller may independently control one or more power modules. Each power module may also include enable switching and an associated current clamp for capacitive loads. An output voltage transient suppressor may also be used to control transients, such as those produced under fast switching conditions.Type: GrantFiled: March 22, 2005Date of Patent: December 26, 2006Assignee: Inovys CorporationInventor: Andre Gunther
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Patent number: 7133729Abstract: Power line monitoring is disclosed. The monitoring can be performed in conjunction with an automation system designed to control and monitor devices and sensors. Model-based power line monitoring uses a model of acceptable power line activity. Activity that does not conform to the model is tagged as indicating a potential problem. Pattern-based power line monitoring uses patterns of unacceptable power line activity. Activity that matches one of the patterns is also tagged as indicating a potential problem.Type: GrantFiled: August 17, 2000Date of Patent: November 7, 2006Assignee: Microsoft CorporationInventors: Yi-Min Wang, Wilf G. Russell, Anish K. Arora
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Patent number: 7123215Abstract: A glasses type display that is connected to an information communication terminal via a wire line or a wireless line, in which the operation by the user is made simple by preventing error operation and the power consumption is decreased by not consuming the unnecessary power, is provided. The glasses type display provides lenses, a main frame, side frames, a microphone, a speaker(s), open and closed state detecting sensors, wearing state detecting sensors. When the user opened the side frames, the open and closed state detecting sensors react, and the wearing state detecting sensors become the on state. When the user put on the glasses type display, the lenses automatically become the on state by that the wearing state detecting sensors detected the wearing state. And when the reaction from a part of the wearing state detecting sensors was turned off, caused by some vibration, the lenses are not immediately turned off. Therefore, an error operation is avoided.Type: GrantFiled: November 26, 2003Date of Patent: October 17, 2006Assignee: NEC CorporationInventor: Suguru Nakada
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Patent number: 7111181Abstract: The invention is directed to techniques for discovering a powerability condition of a computer network such as the existence of a remotely powerable device attached to a connecting medium of the computer network. Such detection can then control whether a remote power source (e.g., a data communications device such as a switch) provides remote power (e.g., phantom power) to the computer network. One arrangement of the invention is directed to an apparatus for discovering a powerability condition of a computer network. The apparatus includes a signal generator, a detector and a controller which is coupled to the signal generator and the detector. The controller configures the signal generator to provide a test signal to a connecting medium of the computer network, and configures the detector to measure a response signal from the connecting medium of the computer network.Type: GrantFiled: January 14, 2004Date of Patent: September 19, 2006Assignee: Cisco Technology, Inc.Inventor: Robert Bell
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Patent number: 7110863Abstract: A generation unit general monitor-control system for generally monitoring and controlling electric power generation units (A-3 etc.), the general monitor-control system allocating relations between the electric power generation units and interface devices (11) for monitoring and controlling the generation units.Type: GrantFiled: March 28, 2003Date of Patent: September 19, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Toshihiko Tanaka, Hiroshi Fukuda, Jin Murata, Toshihiro Yamada