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Matches 1 - 33 out of 33


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8545039 Lamp base with upgradeable recharging port and method  
A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a...
8527106 System stabilization device  
A control unit of a system stabilization device uses a fluctuation detection block (60) to determine fluctuation components included in the active component and reactive component currents of a...
8350405 Load control module for a generator and method of operation  
A load control module is provided for use with a transfer switch apparatus that controls the delivery of standby electrical power to a load during utility power interruption. The load control...
8068937 Power distribution system with fault protection using energy packet confirmation  
The disclosed power distribution system regulates the transfer of energy from a source 1 to a load 3. Source Controller 5 on the source side closes Disconnect Device 7 and monitors the transfer of...
7736033 Lamp base with electrical device recharging receptacle and method  
A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a...
7545055 Multi-pair aggregate power distribution  
Apparatus and method for transmitting over non-adjacent multiple conducting pairs and aggregating powers from the conducting pairs to power remote electronic devices at an end station include, at a...
7528503 Load shedding control for cycled or variable load appliances  
Control of a variable output appliance of a small energy consumer participating in an electrical load shedding program. A baseline operating characteristic of the appliance is determined for...
7397149 Method and a system for monitoring and regulating the power consumed by a transport system  
A method of monitoring and regulating the power and the energy consumed by a transport system including electrically propelled vehicles, said transport system including a power supply system...
7323794 Independent control of output current balance between paralleled power units  
An information handling system power supply system has a plurality of power supply units (PSUs) with outputs connected in parallel and a current balancing circuit for equalizing current from these...
7256516 Battery charging system and method  
A charging system for simultaneously charging the batteries of a plurality of battery powered vehicles. The charging includes one or more DC-DC power converters having one or more charging ports...
7138730 Topologies for multiple energy sources  
A system and method for converting power are disclosed. Briefly described, one embodiment comprises a first power source having a first-source positive terminal and a first-source negative...
6985799 Energy storage modules and management system  
A system to manage energy may include a plurality of energy storage modules. Each energy storage module may include a power converter couplable to a link and a power converter controller to control...
6664658 Power limiting system and method in a multiple power source environment  
A power limiting system and method are provided for limiting power delivered to a common bus in a one or multi-frame tape library environment. The system includes one or more frames coupled to a...
6654667 Production apparatus that detects irregularities in a mounting line and controls power consumption, and a control method and control program for the production apparatus  
In an active mode, a controller switches an operation mode from the active mode to a suspend mode when an acceptance preparation completion signal is not received from downstream or when a circuit...
6608402 Circuits and methods for controlling load sharing by multiple power supplies  
Circuits and methods for controlling load sharing by multiple power supplies are provided. In preferred embodiments, load share controllers utilize multiple voltage control loops to monitor the...
6278201 Power sharing among multiple power supplies in a material handling system  
An apparatus for providing power to an automated material handling system that includes a track on which a plurality of electrically powered material transport vehicles are mounted comprises a...
5942812 Proximity detector with a stable current source  
A proximity detector having a power switch 30 which is switched as a function of the approach of an object. The detector includes a MOS depletion transistor T1 which connects one of the terminals...
5708590 Method and apparatus for real time recursive parameter energy management system  
A new method and apparatus for recursive parameter estimation which closely approximates actual values is taught. Briefly stated, the within invention estimates impedance parameters of network...
5243232 Start-up pulse suppression circuit for industrial controller output  
A flash-on reduction circuit for use in the binary state output circuitry of an industrial controller employs a current conductor to charge parasitic capacitances of the output circuitry when the...
4694193 Fault recognition circuit for parallel power supply devices feeding a user  
The invention relates to a fault recognition circuit for at least two power supplies feeding in parallel a user at an output side. The power supplies each have an electronic switch, a power...
4680483 Comparator circuit  
A comparator for sensing a small voltage differential at, or close to, the operating voltage rails includes first and second means for producing first and second currents and for producing a third...
4465965 Power limiting apparatus  
Apparatus can limit power by limiting the duty cycle of current carried by a pair of lines. The lines intermittently conduct electrical power. The apparatus has a clock, a converter and a switch...
4106097 Energy conservation control method  
An energy conservation schedule is followed automatically in response to production activity in a plant facility. The demand of power from the utility company is used as an indicator of actual...
4060709 Power supply control  
The supply of power to cyclical, separately controllable loads is controlled without interrupting the operating cycle of the loads. A controllable power supply switch interrupts the power supply...
3862430 ELECTRICAL DEMAND LIMITING SYSTEM  
An electrical demand limiting system is disclosed in which a DC signal proportional to the total power demand averaged for a given interval of time is compared with a plurality of preselected...
3418486 Current selection and limiting circuits  
3300648 Load computing and shedding apparatus  
3296452 Load regulation  
3291998 Peak load stabilizers  
3201649 Transistor protection circuit  
2935606 Transistorized portable communication set  
2933615 Load and frequency control of power generating systems  
2843759 Automatic electric switching system  
Matches 1 - 33 out of 33