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Class 307/38 - Selectively connected or controlled load circuits


Subclass of Class 307 - Electrical transmission or interconnection systems
Definition: Subject matter relating to selectively connected or controlled
No. of patents: 615
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8183713System and method of providing power using switching circuits
In a particular illustrative embodiment, a system is disclosed that includes a first power domain that is responsive to a first power switching circuit and a second power domain that is responsive to a second power switching circuit. The system also includes a logic...
05/22/2012
8138626Power node for energy management
A power node provides energy management features in a networked data communications and control environment. ...
03/20/2012
8134254DC power outlets in fixed power distribution systems in or on wall installations
An electrical power distribution system has fixed stations with AC power to DC power conversion circuitry at these stations. The converter(s) are switchable ON/OFF at outlet ports or sockets where the socket configuration permits. Standardized DC sockets accommodate...
03/13/2012
8129858Remote controlled extension cord with embedded housing for a remote control
A remote controlled extension cord. The extension cord has a wire attached to a plug with an integrated base. The base serves to cradle a remote control, which is used to turn power on/off to the extensions on the cord. The remote control can snap inside the base an...
03/06/2012
8106531Multi-output switching regulator and control method therefor
The present invention discloses a multi-output switching regulator, comprising: a single-input-multiple-output voltage converter converting an input voltage to a first output voltage at a first node and a second output voltage at a second node; an input capacitor co...
01/31/2012
8093750Power strip system
A power strip system includes a master control socket, at least one subsidiary socket of which the power on/off status is decided by a current of the master control socket, a current detecting unit connected with the master control socket for detecting the current o...
01/10/2012
8093751Method and system for controlling power to an electrically powered device
A system and method for remotely controlling power to an electrically powered device in a simple and efficient manner is disclosed herein. The system preferably comprises an apparatus, an electrically-powered device and a controller. The apparatus preferably compris...
01/10/2012
7964989Method and system for controlling power to an electrically powered device
A system and method for remotely controlling power to an electrically powered device in a simple and efficient manner is disclosed herein. The system comprises an apparatus, an electrically-powered device and a controller. The apparatus comprises a cord, an alternat...
06/21/2011
7956492Outlet switch socket device
An outlet switch socket device includes a plug, at least one socket, at least one switch, a power converter, a communication module, a microprocessor and an infrared module. Moreover, the plug is used to receive an alternating current. Each switch is respectively co...
06/07/2011
7948115Controller for a domestic appliance and associated method
A controller for functionally controlling a domestic appliance, such as a dryer, comprises a monitoring device that monitors the correct functioning of the domestic appliance. The domestic appliance has at least one monitoring connection connected to at least one as...
05/24/2011
7928601Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltages
A DC-DC converter for controlling the order for providing a semiconductor integrated circuit device with a plurality of power supply voltages. A switch control circuit controls activation and inactivation of a transistor of the switch circuit based on the comparison...
04/19/2011
7851943Direct current power transmission and distribution system
A direct current (DC) transmission and distribution system includes a system DC link configured for carrying power from a source to a plurality of loads {16} and DC to alternating current (AC) power converter modules coupled in series to the system DC link on a load...
12/14/2010
7839017Systems and methods for remotely controlling an electrical load
Systems and methods for remotely controlling an electrical load are provided. A switch is associated with controlling one or more electricity-consuming devices. After electrically isolating the switch from the electricity-consuming device, an adapter is communicativ...
11/23/2010
7777366Energy saving system for use with swimming pool filter systems
A load control system and apparatus to control the load to different elements is disclosed. The load control system is attached to both an air conditioner and a pool filter system. The pool filter system has a predetermined run time and is only operating when the ai...
08/17/2010
7772717Dual wiring system
A dual wiring system which has improved easy exchangeability and function expandability of function unit, and is capable of constructing a higher-order system by controlling plural function units in a coordinated fashion. A plurality of base units are mounted in wal...
08/10/2010
7768152Automatic sensing power systems and methods
An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power syste...
08/03/2010
7745954Power sampling systems and methods
An automatic sensing power system automatically has a voltage sampling system that samples a voltage from an electrical device, determines a power requirement for the electrical device, converts power to the required level, and outputs the power to the electrical de...
06/29/2010
7714461Apparatus and methods for reducing resonance in multiple inverter systems
Apparatus, systems, and methods for reducing resonance in a multiple inverter system are provided. One apparatus includes an inverter coupled to a decoupling element, wherein the inverter and the decoupling elements are couplable to a power source. A system includes...
05/11/2010
7705485Power source and image forming apparatus
A power source is disclosed. The power source includes a first power source applying a first voltage to a control unit and a second power source applying a second voltage to a unit controlled by the control unit. The power source includes a first power supplying uni...
04/27/2010
7701086Remote controlled extension cord with embedded housing for a remote control
A remote controlled extension cord. The extension cord has a wire attached to a plug with an integrated base. The base serves to cradle a remote control, which is used to turn power on/off to the extensions on the cord. The remote control can snap inside the base an...
04/20/2010
7679214Electronic device incorporating system power supply unit and method for supplying power supply voltage
An electronic device provided with a system main unit including a load powered by operational voltage. A system power supply unit, connected to the system main unit, supplies the load with the operational voltage. The system main unit includes a memory circuit for s...
03/16/2010
7646111Automatic sensing power systems and methods
An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power syste...
01/12/2010
7622822Power saver controller
A power supply control device for supplying power to a number of electrical devices from a single mains supply electrical outlet switch means adapted to connect an electrical supply from the supply electrical outlet to each of the controlled electrical outlets in re...
11/24/2009
7579712Power system protection system
A power system protection system prevents a voltage drop resulting from the reactive power characteristic of a power system. A main device for acquiring a system electric quantity of one or a plurality of upper substations detects a voltage drop resulting from the r...
08/25/2009
7573153Power supply apparatus for field devices
An apparatus for supplying DC power to a field device, such as a motor, starter or actuator, includes a multi-pole main switch and a DC voltage supply device, both of which are connected at their respective AC-voltage input sides to a line voltage via a line protect...
08/11/2009
7550871Power adapter featuring multiple power outputs
In a power adapter having multiple power outputs, a first information handling system (IHS) is coupled to a first power output included by the multiple power outputs. A second IHS is coupled to a second power output included by the multiple power outputs. A controll...
06/23/2009
7535118Power supply system and fuel cell unit
There is provided a power supply system for supplying power to a plurality of loads includes: a fuel cell for generating DC power; a plurality of connection units, wherein one of the plurality of connection units receives information to decide power consumption of t...
05/19/2009
7514814Automatic sensing power systems and methods
An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power syste...
04/07/2009
7508092Automatic sensing power systems and methods
An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power syste...
03/24/2009
7501717Apparatus and method for driving different fans
A universal driving apparatus of a computer system inputs two control signals of two different duty cycles through a speed control pin of a receptacle for connecting fans with the electricity supplied continuously. The differentiation percentage of the two speeds is...
03/10/2009
7501716Power supply apparatus
A power supply apparatus that output two types of power supply includes a first series regulator for outputting power supply to a first power supply line, a second series regulator for outputting power supply to a second power supply line, an OR circuit for outputti...
03/10/2009
7498690System and method for regulating power in a multiple-output switching converter
A system and method is provided for supplying power to multiple outputs in a switching converter. One embodiment of the present invention includes a multiple-output switching converter that may comprise a switch arrangement operative to couple and decouple a supply ...
03/03/2009
7485986Automatic sensing power systems and methods
An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power syste...
02/03/2009
7479714Apparatus and method for multiple-module electronic system power control
A method for controlling power consumption of an electronic system is provided. The electronic system includes a number of modules, such as, for example, processing units, server blades and disk drives. In a predetermined sequence, application of power to each modul...
01/20/2009
7446430Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters
A distributed power system for delivering DC power to a plurality of loads. A plurality of power converter modules having associated therewith a DC/DC power conversion operation are provided, each disposed proximate an associated one of the loads, each of said conve...
11/04/2008
7405991Semiconductor device voltage supply for a system with at least two, especially stacked, semiconductor devices
The invention is directed to a system and method comprising a first semiconductor device and a second semiconductor device, wherein the first semiconductor device comprises a voltage supply means, characterized in that the voltage supply means of the first semicondu...
07/29/2008
7405493Double pole LED outlet switch
A double pole LED outlet switch includes a power outlet receptacle with upper and lower receptacles, and a double pole double throw (DPDT) switch. The DPDT switch is positionable between an UNSWITCHED position and a SWITCHED position. The DPDT switch enables a user ...
07/29/2008
7378755System and method for power application to an information handling system
An information handling system AC-to-DC adapter provides a low DC power output on initial application of an AC power input. The low DC power output supports communication between the adapter and the information handling system of adapter identification information. ...
05/27/2008
7375441Systems and methods for dynamically affecting power dissipation in a disk drive including a fixed output voltage regulator
A disk drive system includes a fixed output voltage regulator including an output terminal that provides a substantially fixed output voltage. A plurality of loads, each includes a voltage supply terminal. A programmable resistor bank which is adapted to selectively...
05/20/2008
7372315Switching circuit using semiconductor switching element
A switching circuit includes a semiconductor switching element having a control electrode and a source-drain current path, the source-drain current path being connected between a voltage source and a load circuit, a parallel circuit formed by first and second transi...
05/13/2008
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