Class / Patent application number | Description | Number of patent applications / Date published |
307035000 | Limit control | 39 |
20080217997 | 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 applying power to the loads; a power detecting unit detecting a power type; a micom controlling the load driving unit according to the power type detected by the power detecting unit to drive the load using a current flowing into the load within an allowable value; and at least one current limiting unit connected to at least one control line connecting the micom and the load driving unit and limiting a current of the load driving unit connected to the control line when the micom malfunctions by using a control signal of the micom and a signal of the power type detected from the power detecting unit as an input signal. | 09-11-2008 |
20080224539 | Accessory Power Distribution Module - A power distribution module for conveying power to one or more accessories is disclosed. The power distribution module includes a constant-hot power bus; an ignition-hot power bus; and at least one output terminal for conveying power to said one or more accessories, wherein the at least one output terminal is selectively capable of providing one of ignition-hot power to said one or more accessories from the ignition-hot power bus, and constant-hot power to said one or more accessories from the constant-hot power bus. | 09-18-2008 |
20080238198 | CHARGE PUMP FOR BUS-POWERED DEVICE - A charge pump can be used with a bus-powered device connected to a bus. The charge pump is formed of a power connection from the bus carrying a DC power signal constrained to not exceed a given current limit and a given voltage limit, a DC-to-DC step-down voltage converter, a capacitor, and a DC-to-DC step-up voltage converter. The step-down converter has an input connected to the power connection and produces an intermediate signal having a voltage the same or less than the voltage of the power signal. The capacitor is connected to the output of the step-down converter. The step-up converter has an input connected to the output of the step-down converter and to the capacitor, and produces a final output signal having a voltage greater than the given voltage limit. The output of the step-up converter is connected to and provides DC power to the device. | 10-02-2008 |
20080252141 | ENERGY MANAGEMENT SYSTEM AND METHOD - An energy management system comprises at least one energy consuming device and an energy controller. The energy controller supplies energy to the energy consuming device and transmits an energy curtailment signal in response to an energy over-consumption condition. In one embodiment, the curtailment signal can be directed to a predetermined class of energy consuming device. In another embodiment, the energy consuming device can determine whether to curtail energy consumption in response to the curtailment signal. The energy controller can be in the form of a power strip. | 10-16-2008 |
20080290731 | Energy Efficient Power Supply - There is disclosed a power supply, a system, and method. A power supply may include a power converter for converting AC primary power into DC power, an internal load, and a DC power plug for delivering DC power from the power supply to a load external to the power supply. The power converter may include a standby circuit to place the power converter into a low power quiescent operating mode. A switch may be integrated into the DC power plug, the switch having an operate state and a standby state. The switch may control the flow of power from the power converter to the internal load. | 11-27-2008 |
20090008998 | Electrical Power Distribution and Control System - The invention relates to an electrical power distribution and control system adapted to accept electrical power from one or more electrical power supply sources and meter and monitor consumption of this power by a user. The system can be programmed with a time period and an electrical power allowance for both critical and non critical loads for this period of time, and it can shut-off power supply to non-critical loads if the allowance for these has been exceeded before the time period has elapsed. | 01-08-2009 |
20090058185 | Intelligent Infrastructure Power Supply Control System - Systems and methods for managing a power grid by controlling individual power outlets with respect to a premises. The outlets are each assigned a priority level and when management is necessary, the system operates to activate/deactivate the outlets by changing the priority level. The outlets then each respond according to their individual programming. In one embodiment, certain devices, or certain outlets in a chain of outlets, may remain activated under control of auxiliary power even when the outlet is deactivated. In one embodiment, the auxiliary power is common to a group of devices. | 03-05-2009 |
20090273239 | SEMICONDUCTOR POWER DISTRIBUTION AND CONTROL SYSTEMS AND METHODS - A system for dynamic integrated circuit power distribution and control is disclosed. The system includes an external power consumption target generator configured to generate a power dissipation target for one or more integrated circuits. The system also includes a first integrated circuit that includes an IC power control unit coupled to the external power consumption target generator. The first integrated circuit also includes a first plurality of functional units, each functional unit of the first plurality including a unit power level control and a first power control grid coupling the IC power control unit to one or more of the first plurality of functional units. The IC power control unit is configured to generate a mode control signal which places at least one of plurality of functional units into a first mode of operation based upon the power consumption target. | 11-05-2009 |
20090322150 | INTERVENTION OF INDEPENDENT SELF-REGULATION OF POWER CONSUMPTION DEVICES - Methods and apparatuses for intervening in the self power or thermal regulations of a plurality of independent power consumption devices are described herein. The novel methods may include monitoring power consumption and thermal conditions of the plurality of power consumption (i.e., power/heat dissipation) devices that are configured to independently self-regulate their power/thermal production. A determination may then be made as to whether an aggregate of the power and/or thermal production of the plurality of power consumption devices exceed a threshold. And if the aggregate of the power or thermal production of the power consumption devices was determined to exceed the threshold, terminating, at least partially, the independent self-regulating of the thermal production and intervening in the thermal regulation of one or more of the power consumption devices. In contrast, if the aggregate of the power and/or thermal production of the plurality of power consumption devices is determined to be below the threshold then the power consumption devices may be allowed to self-regulate their power consumptions, and in some instances, one or more of the individual power clamps for the one or more of the power consumption devices may be relaxed or raised. | 12-31-2009 |
20100052421 | NETWORK-CENTRIC SCHEDULED POWER PROVISIONING METHOD - A particular technique provides power to a plurality of Power over Ethernet powered devices. The technique involves operating, during a first time interval, an initial set of Power over Ethernet powered devices (i.e., one or more powered devices) in a higher power consuming mode and the remaining Power over Ethernet powered devices of the plurality of Power over Ethernet powered devices that are not in the initial set in a lower power consuming mode to maintain total power consumption below a predetermined total power threshold. The technique further involves operating, during a second time interval after the first time interval, a different set of the Power over Ethernet powered devices in a higher power consuming mode and the remaining Power over Ethernet powered devices of the plurality of Power over Ethernet powered devices that are not in the different set in a lower power consuming mode to maintain total power consumption below the predetermined total power threshold. | 03-04-2010 |
20100060079 | METHOD AND SYSTEM FOR ORGANIZING AND OPTIMIZING ELECTRICITY CONSUMPTION - A method and system for managing power consumption by electrical appliances, is provided. One implementation involves obtaining power consumption information for a use cycle of a each of multiple appliances; and automatically scheduling a time slot for an operation cycle of a selected appliance as a function of power consumption by appliance cycles scheduled in that time slot, such that an upper limit of power consumption is not exceeded by the collective power consumption for scheduled appliance cycles in the time slot. | 03-11-2010 |
20100156178 | METHOD AND ARRANGEMENT FOR LIMITING ELECTRIC POWER REQUIRED BY ELECTRIC LOADS - A method and arrangement for limiting an electric power required by at least two electric loads, each of which has a predetermined priority level, the arrangement comprising means ( | 06-24-2010 |
20100156179 | CHARGING AND POWER SUPPLY FOR MOBILE DEVICES - Charging and power supply for mobile devices is disclosed. A USB-compliant charging and power supply circuit includes switch-mode battery charging circuitry for receiving power from an external power source and for supplying output power through an output node to an electronic system of an electronic communication device and a battery. Battery isolation circuitry includes a semiconductor switch connecting the output node to the battery. The battery isolation circuitry senses voltage at the output node and variably restricts current to the battery when the voltage is below a minimum voltage value by operationally controlling the semiconductor switch as current passes through it. During variable current restriction the electronic system is supplied required power with said battery being supplied any additional available power. | 06-24-2010 |
20100219686 | PROTECTIVE DEVICE AGAINST ABNORMALITY FOR POSITIVE AND NEGATIVE DUAL POWER SUPPLY CIRCUIT - This invention mainly involves in the consumer electronic product fields, especially in the protective devices against abnormality for positive and negative power circuits of TV and audio technology field. In one embodiment, in the last stage output port load (RL) circuit of the dual power supply, a series current negative feedback resistor R | 09-02-2010 |
20100244563 | UNDER FREQUENCY/UNDER VOLTAGE DETECTION IN A DEMAND RESPONSE UNIT - A demand response unit (DRU) interposed between a utility's electrical power line (PL) and at least one load (L | 09-30-2010 |
20110127834 | INTERVENTION OF INDEPENDENT SELF-REGULATION OF POWER CONSUMPTION DEVICES - Methods and apparatuses for intervening in the self power or thermal regulations of a plurality of independent power consumption devices are described herein. The novel methods may include monitoring power consumption and thermal conditions of the plurality of power consumption (i.e., power/heat dissipation) devices that are configured to independently self-regulate their power/thermal production. A determination may then be made as to whether an aggregate of the power and/or thermal production of the plurality of power consumption devices exceed a threshold. And if the aggregate of the power or thermal production of the power consumption devices was determined to exceed the threshold, terminating, at least partially, the independent self-regulating of the thermal production and intervening in the thermal regulation of one or more of the power consumption devices. In contrast, if the aggregate of the power and/or thermal production of the plurality of power consumption devices is determined to be below the threshold then the power consumption devices may be allowed to self-regulate their power consumptions, and in some instances, one or more of the individual power clamps for the one or more of the power consumption devices may be relaxed or raised. | 06-02-2011 |
20110163600 | POWER SUPPLY AND METHOD RELATED THERETO - Some embodiments include an electrical system. In many embodiments, the electrical system can include a power input. In the same or different embodiments, the electrical system can include at least one power output configured to be electrically coupled to at least one load. In the same or different embodiments, the electrical system can include a first user input device configured to provide a start up input. In the same or different embodiments, the electrical system can include a second user input device configured to provide a time select input. In the same or different embodiments, the electrical system can include an internal assembly. In many embodiments, the internal assembly can include a power switch module, a power conserve module, a power supply module, and a control module. | 07-07-2011 |
20110193411 | APPARATUS AND METHOD FOR PROVIDING POWER FROM A POWER SOURCE TO A PORTABLE ELECTRICAL DEVICE - An apparatus for providing power from a vehicle power source to at least one portable electrical device includes: (a) a power interface unit for coupling with the vehicle power source; (b) a power converter unit coupled with the power interface unit; (c) at least one first voltage output connection structure coupled with the power converter unit; the at least one first voltage connection structure presenting at least one first voltage output; the at least one first voltage output connection structure being configured for effecting universal serial bus coupling; and (d) first short-circuit protection circuitry coupled with the power converter unit and the at least one first voltage output connection structure. | 08-11-2011 |
20110234003 | INHERENTLY SAFE MODULAR CONTROL SYSTEM - A modular system for transmitting power and data between a control processor that receives and transmits signals along a trunk of a distributed control network, and one or more field devices located in a hazardous area includes a backplane bus and a trunk module connected to the backplane and interconnecting the trunk and backplane. Intrinsically safe spur modules are removably attached to the backplane. | 09-29-2011 |
20120074780 | LOAD CONTROL APPARATUS WITH PEAK REDUCTION IN AGGREGATE BEHAVIOR - When load control is activated by a local or remote mechanism to control a load, the method and system use a usage profile of the load and one or more of (1) interval start times, (2) ON/OFF or OFF/ON cycling and (3) predefined periods during which load must not be allowed to run (e.g., dead zones) to determine when a particular piece of equipment is allowed to shed or run thereby reducing the probability of occurrence of cyclical and non-cyclical aggregate peaking of usage wherein cyclical peaking is manifested as an artifact of the local load control rules during a load control event. | 03-29-2012 |
20120193985 | WASHING MACHINE AND METHOD OF CONTROLLING THE SAME - A washing machine and a method of controlling the same include a motor to rotate a rotary tub including laundry, a heater to heat water contained in the rotary tub, a communication unit to receive an energy saving signal having information regarding an energy saving start time from an energy management system (EMS), and a controller, upon receiving the energy saving signal, to determine which one of the motor and the heater is a load having highest power consumption in a process to be executed at the energy saving start time, and reduce the operation rate of the determined load. Before current power rates exceed reference power rates, the load operation rate of the washing machine is changed so that power consumption is greatly reduced. | 08-02-2012 |
20120261988 | ELECTRICAL SYSTEM WITH CIRCUIT LIMITER - An electrical power distribution system automatically limits the number of substantially similar or identical power cable assemblies that are electrically energizable from a power source. A control unit is connected between the power source and the power cable assemblies, and limits the number of power cable assemblies that can be energized in the system by sensing the voltage in a sensing circuit. An applied voltage in the sensing circuit changes in a predictable manner corresponding to the number of power cable assemblies that are electrically connected in the circuit. Each power cable assembly includes an impedance element that is added to the sensing circuit when the corresponding power cable assembly is coupled to the system, and once the detected voltage is beyond a predetermined threshold value, the control unit will ensure that the power cable assemblies are not energized by the power source. | 10-18-2012 |
20120261989 | ELECTRIC POWER CONSUMPTION CONTROL SYSTEM - Disclosed is an electric power consumption control system for a factory where a plurality of machine tools are installed. A machine tool is provided with a control device whereby either the rotational acceleration/deceleration for the motor for the machine tool and/or the rotational speed thereof is controlled on the basis of information regarding electric power consumption in the factory so that electric power consumption will not exceed a specified value. This electric power consumption control system is also provided with electric power detection instruments and an electric power monitoring instrument which measure the electric power consumption of all the machine tools installed in the factory, thereby obtaining the electric power consumption of the factory, and provide information regarding the electric power consumption to the control device of the machine tool equipped with the control device. | 10-18-2012 |
20120313434 | Automatic and Dynamic Home Electricity Load Balancing for the Purpose of EV Charging - “A circuit breaker interfaces with a power rail of an electric service panel. The circuit breaker monitors a total present electric current consumption value for electric consumers served by the service panel and not served by the circuit breaker. It compares the present electric current consumption value with a preset maximum current capacity limit, and supplies current to an electric consumer at a level less than a difference between the maximum current capacity limit and a sum of the total present electric current consumption value and a preset current consumption value for an electric consumer coupled to the service panel but that is presently not drawing current.” | 12-13-2012 |
20130082528 | ACTIVE ISOLATED POWER SUPPLY WITH MULTIPLE OUTPUTS - An active isolated power supply with multiple outputs is provided. The power supply includes N transformers T | 04-04-2013 |
20130113285 | Smart circuit breaker - A smart circuit breaker for an AC power supply circuit that has a limited capacity for supplying power to one or more electrical loads. Smart circuit breaker includes a sensing circuit to dynamically determine the available load capacity of the AC power supply circuit. A reporting circuit reports the dynamically available load capacity to a controller, an existing electrical load, and/or a potential electrical load on the AC power supply circuit. The AC power supply circuit, the existing electrical load, and/or the potential electrical load can adjust operations based on the reported availability of load capacity. | 05-09-2013 |
20130140893 | POWER DEMAND MANAGEMENT APPARATUS AND POWER DEMAND MANAGEMENT SYSTEM - A power demand management apparatus comprising a power demand acquiring section acquiring a predicted power demand; a consumer house information holding section that, for each of a plurality of request methods or request conditions, and for each of a plurality of consumer houses, holds a sensitivity indicating a probability that the consumer house will comply with a request; a consumer house selecting section that, when the predicted power demand exceeds a target value, selects a first consumer house whose sensitivity for a first request method or request condition is no less than a first reference value and selects a second consumer house whose sensitivity for a second request method or request condition is no less than a second reference value; and a restriction requesting section that issues requests for power demand restriction to the first and second consumer houses respectively using the first and second request methods or request conditions. | 06-06-2013 |
20130181523 | Chip Level Integration of a Boosted Class-D Amplifier and Integrated LED Flash Driver - A single integrated circuit includes a single boost converter, a first circuit, a second circuit, and a controller. The single boost converter supplies power to the first and second circuits. The controller receives an operational mode signal and in response to the operational mode signal, drives the single boost converter to respectively provide power to the first and second circuits. When the first and second circuits are simultaneously active, the controller manages an operation of the first circuit so that proper operation of the second circuit is maintained. The first circuit may be an LED flash driver, and the second circuit may be an audio amplifier, such as a Class-D audio amplifier. The controller manages an operation of the audio amplifier so that a sufficient amount of current is supplied to the LED flash driver for proper operation of the LED flash driver. | 07-18-2013 |
20130187460 | Active Patch Panel - An active patch panel uses small form factor plus (SFP+) connectivity with a plurality of channels extending between first and second faces of the panel. The channels connect ports on the opposing faces of the panel and are provided with additional electronic elements, such as an equalizer, a clock data recovery element, and a pre-emphasis element. A controller can be connected to the plurality of channels to provide instructions for simultaneous equalization and pre-emphasis of a plurality of cable assemblies in the same channel. | 07-25-2013 |
20130200706 | Energy management system and method for controlling high current draws from variable current devices commonly connectable to an electrical circuit - An energy management controller for controlling and limiting the time during which high current draws may be made by one or more of a plurality of single serve coffee brewers that are commonly connected to the same circuit and which include heater constructions that require and draw high power at certain times during operation, and require and draw lower power at other times. It includes one controller board, connected to the primary brewer to complete a circuit, and which board includes heat and wait timer functions to monitor the power status usage with respect to all of the brewers. | 08-08-2013 |
20130229059 | ELECTRIC POWER CONTROL DEVICE AND ELECTRIC POWER CONTROL SYSTEM USING SAME - A controller installed at each consumer side comprises: a power generation amount acquisition unit acquiring the amount of electricity that has been generated in a solar cell; a power selling amount acquisition unit acquiring the amount of electricity for sale that has been allowed to flow into an electric power system by reverse power flow, among the electricity generated in the solar cell; and a power selling suppression control unit configured to set a threshold value for the amount of the electricity for sale, as proportional to the amount of the generated electricity acquired by the power generation amount acquisition unit, and configured to suppress the reverse power flow into the electric power system so that the amount of the electricity for sale is set to the threshold value or less. | 09-05-2013 |
20140021786 | SYSTEMS AND METHODS FOR ADJUSTING CURRENT CONSUMPTION OF CONTROL CHIPS TO REDUCE STANDBY POWER CONSUMPTION OF POWER CONVERTERS - System and method for regulating a power conversion system. For example, a system controller includes a signal generator and one or more power-consumption components. The signal generator is configured to receive a feedback signal related to an output signal of the power conversion system, a current sensing signal and an input voltage, and to generate a control signal based on at least information associated with the feedback signal, the current sensing signal and the input voltage. The power-consumption components are configured to receive the control signal. The signal generator is further configured to determine whether the feedback signal is smaller than a feedback threshold for a first predetermined period of time, the current sensing signal is smaller than a current sensing threshold for a second predetermined period of time, and the input voltage is smaller than a first threshold for a third predetermined period of time in magnitude. | 01-23-2014 |
20140152104 | Multi-Output Switching Regulator and Multi-Output Power Supply Method - The present invention discloses a multi-output switching regulator and a multi-output power supply method. The multi-output switching regulator includes: a power stage circuit for operating at least a power switch included therein and only one inductor included therein in response to a pulse width modulation (PWM) signal, thereby converting an input voltage to a converted voltage; a multiple outputs circuit for receiving the converted voltage to generate a plurality of output currents; a voltage detecting circuit for generating a feedback signal according to the converted voltage; and a PWM signal generation circuit for generating the PWM signal in response to the feedback signal. | 06-05-2014 |
20140191573 | ENERGY MANAGEMENT SYSTEM - The present invention provides an Energy Management System which can be configured to automatically switch peripheral appliances on or off by detecting master appliances being in standby state, even though these appliances are located far away from each other in a premise, or even in other premises. The system is also capable of detecting whether the included appliances are plugged or unplugged to facilitate simple and efficient management of appliance power consumption for the sake of energy saving. In one embodiment, it also provides a detachable, battery-powered wireless sub-system, supporting dual operation modes, to improve wireless coverage of the system. | 07-10-2014 |
20140217823 | Method and Apparatus for Power Control - According to one embodiment, a power control apparatus includes a receiving unit, an environment-data acquiring unit, and a calculation unit. The receiving unit receives, from a power supplying side, a power-consumption reduction request for reducing power consumption at a power demanding side. The environmental data acquiring unit acquires, from the power demanding side, environmental data representing environmental state of the power demanding side. The calculating unit calculates a power-reduction value based on the environmental data, in response to the power-consumption reduction request. | 08-07-2014 |
20140217824 | POWER MANAGEMENT SYSTEM, POWER MANAGEMENT METHOD, AND UPPER POWER MANAGEMENT APPARATUS - A power management system comprises a plurality of HEMSs | 08-07-2014 |
20140252856 | POWER CONSUMING MANAGEMENT SYSTEM - A power consuming management system installed between a power outlet and at least one load includes an electricity meter connected between the power outlet and the at least one load for detection of power consumption and distribution of power to the at least one load, a charger connected to the power outlet, a power saving element connected to the charger, an energy recovery module connected to the power saving element and the electricity meter and a controller connected to the charger, the power saving element, the energy recovery module and the electricity meter to form a loop. | 09-11-2014 |
20150333526 | Power Supply System, Electronic Device, and Electricity Distribution Method of Electronic Device - A power supply system, an electronic device and an electricity distribution method, which can enhance, with maximum efficiency, power distribution of the electronic device. The power supply system includes a power source unit, an electricity distribution unit connected to the power source unit, a system load power supply unit connected to the electricity distribution unit, and a peripheral power supply unit connected to the electricity distribution unit. The electricity distribution unit includes a power consumption prediction module configured to detect system load power consumption and calculate a variation trend of the system load power consumption and a power consumption control module configured to adjust power supply capacities of the system load power supply unit and the peripheral power supply unit according to the variation trend of the system load power consumption. | 11-19-2015 |
20160013647 | ELECTRICITY MANAGEMENT USING MODULATED WAVEFORMS | 01-14-2016 |