Matches 151 - 200 out of 436 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5763959 Control cabinet for building automation systems  
A control cabinet for distributing power to a plurality of automated independent and parallel operated loads. A plurality of control cabinets can be interfaced with control cable to be supervised...
5760494 Image processing apparatus  
Disclosed is an image processing apparatus in which, when the apparatus has not been not used for a prescribed period of time, control is performed so as to halt feed of current not only to a...
5753980 Automatic prevention of inadvertent operation of electronic devices  
Portable electronic equipment is disclosed which includes a source of power and operational circuitry. A load device, which may be internal or external to the equipment, is coupleable to the...
5747973 Current regulating switch circuit  
A regulating switch circuit for conditioning operation of a first load upon operation of a second load wherein the first load and the second load consume electrical energy from a power source...
5736795 Solid state AC switch with self-synchronizing means for stealing operating power  
A solid state power switching circuit for alternating current loads, in which operating power for the circuit is diverted from the switched current during power stealing intervals self-synchronized...
5734586 System for achieving optimal steady state in power distribution networks  
The present invention features a direct, closed-loop method for controlling an unbalanced, power-distribution network having a great number of nodes, branches and laterals, as well as multiphase...
5710712 Processor system and method for appliances  
A processor system provides electrical power and processing to a plurality of appliances. A data bus receives a control input signal from each of the plurality of appliances and transfers...
5691630 Power supply control apparatus  
A power supply control apparatus for controlling a power supply circuit for outputting voltages of at least two systems is constructed by a first power supply circuit for generating a first voltage...
5691619 Automatic safety switch for preventing accidental battery discharge  
An automatic safety switch provides an automotive battery with protection against accidental discharge due to operator neglect. Such operator neglect includes inadvertent use of electrical circuits...
5687139 Electrical load optimization device  
A demand control apparatus includes a switch in the control signal line of an electrically powered piece of equipment. The switch is controlled by a digital recycle counter so as to periodically...
5675503 Adaptive load cycler for controlled reduction of energy use  
A method and system for regulating power delivered to specific appliances or loads which represent but a proportion of the power consumed by different commercial or residential users and in which...
5670832 Power-supply control apparatus for image processing apparatus  
Disclosed is an image processing apparatus in which, when the apparatus has not been not used for a prescribed period of time, control is performed so as to halt feed of current not only to a...
5670936 Power controller enclosure  
A power controller (10) for supplying power to a power distribution network (N) in which power from a polyphase source (G) is routed to using equipment (E) connected to the network through the...
5661347 Circuitry arrangement for controlling a plurality of consumers, in particular lamp ballasts  
In accordance with the invention the circuitry arrangement comprises a central unit (5) and a plurality of peripheral units, such as control apparatuses for lamps, connected with the central unit...
5659206 Electrical circuit system including voltage detector to selectively halt operation of an electrical circuit  
An electrical circuit has a power source line from a battery. The power source line is divided into a primary side and a secondary side by a device, such as, for example, a diode. A high current...
5650773 Multi-functional intrusion warning system for branch circuits of a home and the like  
A multi-functional intrusion warning system is used directly in the conventional circuitry of a building such as a home, small business or the like, having a conventional AC power source, a...
5627722 Single high voltage supply for use in a multiple developer electrophotographic printer  
In order to accomplish the present invention, there is provided a voltage supply system for use in a color electrophotographic printer where the electrophotographic printer has more than one...
5624572 Power management system and method for maximizing heat delivered to dialysate in a dialysis machine  
The amount of electrical power delivered to a dialysate heater in the dialysis machine is maximized without substantially exceeding a predetermined maximum allowed power consumption for the...
5621604 PWM multiplexed solenoid driver  
This invention relates to driving solenoid and motor loads while providing the means for fast turn on and fast turn off. Many applications including automotive fuel injector drivers, Anti-Skid...
5610448 Universal switching device and method for lighting applications  
A universal electronic switching device which may be mounted inside various types of lighting fixtures to switch A.C. power to one or more loads, either individually or in groups, within the...
5600529 Electromagnetic lock  
An electromagnetic lock employs a pre-wound bobbin which is forced onto the E-shaped lamination stack of a magnetic core. The housing is configured in two longitudinal sections which are relatively...
5589718 Power line conditioner  
A power line conditioner in which a plurality of outlets are mounted on a housing for receiving AC plugs from a plurality of electrical components. The housing is connected to a source of AC power...
5583417 Power sharing detector for use with a battery charger and an auxiliary device  
A technique for detecting power demand to provide efficient power sharing. The technique is particularly but not exclusively concerned with providing a power sharing detector for use in a portable...
5581132 Peak demand limiter and sequencer  
An electrical control system for sensing instantaneous total electrical power consumption being delivered into a facility and for interrupting selected electrical current consuming loads within the...
5576580 DC power supply circuit  
A dc power supply circuit connects a plurality of dc circuit breakers to a semi-conductor converter, returning again to the semi-conductor converter through a dc driving part such as an electric...
5572073 AC power module for automation system  
Disclosed is an AC power module for controlling the level of power to multiple electrical devices such as lights and household appliances according to control signals supplied from a processor...
5543667 Load control for partially increasing/decreasing power usage  
An add/shed load controller which will add/shed or increase/decrease the electrical usage of a load. A maximum decrease limit may be set for analog loads to insure that comfort is not overly...
5543666 Method of reducing the peak load of energy supply network systems and apparatus for limiting the power consumption of a consumer unit fed from an energy supply connection  
A method of reducing the peak load of energy supply network systems to which a number of consumer units, each of which has several consumers, are connected. The power consumption of the consumer...
5541457 Electrical current actuated accessory outlet  
An electrical current actuated accessory outlet including a power cable receiving mechanism removably securable to a remote electrical power receptacle for receiving a source of alternating current...
5534734 Power shedding device  
A power shedding device controls the application of power from an uninterruptible power supply (UPS). It includes circuitry for detecting an alarm signal indicative of a condition requiring the...
5528335 Battery check device for a camera  
A battery check device, suitable for use in a camera, for reliably checking the essential capacity of a battery power source without affecting the voltage recovery of the battery power source after...
5523631 Control system for powering plural inductive loads from a single inverter source  
A control system for controlling overshoot and undershoot power values when switching power from a single inverter power source to a plurality of inductive loads, or a single load having a...
5517424 Steam turbine fuzzy logic cyclic control method and apparatus therefor  
A method for automated control of a steam turbine during cyclic operation includes the steps of comparing current turbine loading with an anticipated load profile to generate a load error signal....
5485116 Power diverting circuit  
The invention concerns a power diverting circuit for creating a supply voltage for a signal processing circuit from a source of data signals each having a high or a low potential respectively...
5483462 On-line method for determining power system transient stability  
A fast and reliable method for determining power system transient stability is presented for on-line power system dynamic security assessment. This method is based on the direct (Lyapunov theory)...
5483464 Power saving apparatus for use in peripheral equipment of a computer  
An apparatus for use in the peripheral equipment of a computer reduces the needless consumption of power. Once it has been determined that the computer has not been used for a predetermined period...
5481140 Demand control apparatus and power distribution control system  
The present invention relates to a power distribution control system for suppressing a total quantity of working current in a group of loads to a level equal to or lower than a set quantity of...
5469000 Switching device with a plurality of switches responsive to an input signal level  
A switching device (2) comprises a plurality of switching means (4) connected in series by input conductor (12) to an input terminal (8). A plurality of respective load means (6) are connected...
5462225 Apparatus and method for controlling distribution of electrical energy to a space conditioning load  
An apparatus and method for controlling energy supplied to a space conditioning load and for overriding a load control operation in response to measuring certain space temperatures within a closed...
5461288 Power management device for large electronic flash units  
A device for controlling the surge of electrical current demanded following the discharge of a lighting system comprised of multiple electronic flash units powered from a common source. Individual...
5436511 Apparatus for interrupting supply of power from power system to portion of consumer load in response to control signal from power system  
A consumer load receiving power from a power system is divided into a first load to which power may be interrupted if necessary to reduce demand on the power system, and a second load to which...
5436510 Method and a system for globally managing electric power in a network within a dwelling or the like  
Method for managing electric power in a network (R) to which are connected, on the one hand, appliances capable of 2-way communication with each other, each appliance consisting of a power...
5426620 Method for controlling and managing load demand  
A load demand and operation control and management process for controlling diverse operation and individual electrical requirement of any load or loads of energy-consuming equipment, the process...
5422517 Control of electric loads during generator failure in a multi-generator system  
In response to the loss of a generator in an electrical power system, all operating electrical loads are automatically switched to a second generator, and the electric power system continues to...
5414640 Method and apparatus for adaptive demand limiting electric consumption through load shedding  
A load shedding apparatus for limiting peak electrical demand in an electrical system to a target level through load shedding. The apparatus employs predictive control logic to estimate the amount...
5404136 Method and apparatus for monitoring the consumption of utilities in business premises  
The invention is an apparatus and method for monitoring the consumption of utilities in business premises. The premises are divided into notional zones, each including a utility load and a meter to...
5397926 Power demand control  
A system and a method for saving power of an output variable apparatus such as an inverter air conditioner. A power demand controlling system includes: a power demand controlling unit for detecting...
5387820 Power supply circuit  
An apparatus using a battery as a power source requires a battery having an extended life time. A burden upon a battery can be reduced by operating the inner circuit at a low voltage and current....
5351162 High power MOS device with protective circuit against overcurrent or the like  
This invention relates to an improvement of a high power mos device which includes a plurality of power MOSFETs whose drain regions and source regions are respectively connected in common with each...
5321402 Analog-to-digital conversion method and device  
Analog-to-digital conversion method and device using triangular vertex solution are disclosed. The method includes the steps of defining a first and a second boundary value between which a quantity...
Matches 151 - 200 out of 436 < 1 2 3 4 5 6 7 8 9 >