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| Number | Title | Issue Date |
| 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 power sources and another DC power source from one or a plurality of... | 04/03/2012 |
| 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 first input line of the dual line and a second position connecting a sec... | 03/20/2012 |
| 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 plurality of power consumption devices at a specified location. The comp... | 02/07/2012 |
| 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 the switchover element. The controller may be configured to determine... | 01/10/2012 |
| 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 (FET), which allows current to be transmitted to a powered device (P... | 09/27/2011 |
| 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 switch and a delay element to delay an operation of the first power sw... | 08/30/2011 |
| 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 input and output terminals of a conventional, generic distribution pan... | 08/09/2011 |
| 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” device which controls the power allocation for all of the switches. In ano... | 07/19/2011 |
| 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 communication devices having different priorities acquired by the prio... | 05/31/2011 |
| 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 module has a changeover switching device to disconnect the peripheral mod... | 05/17/2011 |
| 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 switch element and a control device. The first switch element has a fir... | 04/26/2011 |
| 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 power supply, and a second switch unit. When the first power supply stop... | 09/21/2010 |
| 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 control voltage. A rectifier circuit is operably coupled with the volt... | 05/25/2010 |
| 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 manufacturers and having different functions by selecting a tip having a... | 04/20/2010 |
| 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 an input power receptacle for receiving at least one of AC power and ... | 04/20/2010 |
| 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 the alternating-current power transmission based on a state of the alte... | 04/20/2010 |
| 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 (FET), which allows current to be transmitted to a powered device (P... | 04/13/2010 |
| 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 electronic apparatuses when each of the electronic apparatuses is started; ... | 12/15/2009 |
| 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 purpose is the coordination, optimization and efficient control, regu... | 11/03/2009 |
| 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 distributor unit (14). The control unit (12... | 10/13/2009 |
| 7595567 | Thermostat device with line under frequency detection and load shedding capability An under frequency protection thermostat-type device includes a thermostat-type housing, a transformer, a line under frequency (LUF) detection and measurement module, a microcontroller, and a load switch. The transformer is adapted to be electrically connected to a ... | 09/29/2009 |
| 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, each of the normal power supply units supplies power via a normal path t... | 07/07/2009 |
| 7504744 | Classification mechanism in system for supplying power over communication link System and methodology for providing classification of a load in a power supply system for providing power over a communication link. The power supply system has a classification engine for probing the load to determine a characteristic of the load. The classificati... | 03/17/2009 |
| 7479712 | Configuration for N consumers of electric energy, of which M consumers are simultaneously supplied with energy The invention relates to a configuration for several consumers of electric energy, with these consumers having either the same electric power or different electric powers. Since, as a rule, not all consumers need to be supplied simultaneously with electric energy, f... | 01/20/2009 |
| 7439635 | Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system Regarding output suppression control of a plurality of dispersed power sources linked to a high-voltage-to-low-voltage transformer of a commercial power system, the partiality of the output suppression of a plurality of dispersed power sources is eliminated and, cos... | 10/21/2008 |
| 7420294 | Smart power switch for broadband communications network A power switching module provides power to a line amplifier in a broadband telecommunications network. The switch includes a first input port for connection to a first power source, a second input port for connection to a second power source, an input/output port fo... | 09/02/2008 |
| 7417336 | Combination current hysteresis and voltage hysteresis control for a power converter Consistent with an aspect of the present disclosure, a method is provided for controlling an AC signal, which is supplied to a load and selectively supplied to a utility grid. In response to a fault in the utility grid, the method includes decoupling the AC signal f... | 08/26/2008 |
| 7412304 | Power system for area containing a set of power consumers There is provided a power system for an area containing a set of power consumers which can be applied to a collective housing consisting of a single or more buildings and can prevent power supply stop of a supply line having a higher priority. The system includes: m... | 08/12/2008 |
| 7400062 | Rack level power management A system for rack level power management, the system comprising: at least one power source; a management module; and a plurality of power managed modules in communication with the management module and connected to draw power from the at least one power source, each... | 07/15/2008 |
| 7394172 | Systems and methods for switching to a back-up power supply Systems and methods for switching to a back-up power supply are provided. One such system includes a threshold detector circuit; a first switching circuit for enabling access to a first power source, the first switching circuit comprising at least a first transistor... | 07/01/2008 |
| 7385310 | Electronic ballasts which can be connected in parallel on the basis of the type of lamp The invention relates to the supply of lamps (8″, 8′″) of at least two different lamp types, of which a first lamp type (8′″) has a wattage which is approximately a whole multiple of the wattage of a second lamp type (8″), whereby th... | 06/10/2008 |
| 7385311 | Voltage controller implemented in a low operation voltage device When a low operation voltage device is idle and a voltage of an external power supply is larger than a predetermined voltage, a transistor with a high threshold voltage is turned on to provide electric power to the low operation voltage device. When the low operatio... | 06/10/2008 |
| 7373527 | System and method for interleaving point-of-load regulators A system and method for providing interleaving point-of-load (POL) regulators such that each regulator's switching cycle is phase displaced with respect to those of other POL regulators in the array is disclosed. As a result, the aggregate input and/or output reflec... | 05/13/2008 |
| 7366929 | Combined serial and parallel port for high speed controls Methods and apparatus for selecting one of a plurality of N-bit digital values stored in a table, via a parallel interface having a bus width less than N is provided. The plurality of N-bit digital values stored in the table may be loaded via a serial interface.... | 04/29/2008 |
| 7358620 | Methods and apparatus for ride-through operation of a complementary device to a transient power source In accordance with certain exemplary embodiments, the present technique provides methods and apparatus for providing operating power to a complementary device to an induction device based uninterruptible power source (UPS) via a direct current (dc) bus. In one embod... | 04/15/2008 |
| 7355302 | 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 distributor unit (14). The control unit (12... | 04/08/2008 |
| 7355301 | Load control receiver with line under voltage and line under frequency detection and load shedding A method for detecting line under voltage (LUV) events and initializing load shedding of loads located near the electrical disturbance without customer and utility intervention. In one example embodiment, the LUV detection system samples a primary voltage source at ... | 04/08/2008 |
| 7349766 | Systems and methods for remote power management using 802.11 wireless protocols Systems and methods are disclosed for using 802.11 based wireless protocols in various energy management applications wherein a host controller uses various types of communication networks to distribute information to an on-premise processor that in turn uses 802.11... | 03/25/2008 |
| 7348688 | Low power, scalable multichannel high voltage controller A low voltage control circuit is provided for individually controlling high voltage power provided over bus lines to a multitude of interconnected loads. An example of a load is a drive for capillary channels in a microfluidic system. Control is distributed from a c... | 03/25/2008 |
| 7345378 | Power supply circuit containing multiple DC—DC converters having programmable output current capabilities A power supply circuit contains a plurality of DC-DC converter control loops that provide respectively different control signals. A plurality of output driver stages of given current drive capabilities have their inputs programmably connectable via a set of switches... | 03/18/2008 |
