Matches 101 - 150 out of 436 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6373150 Electric service load limiter  
An electric service load limiter limits the level of current a consumer receives from an electric utility power line. The load limiter is set either at the consumer's location or through a remote...
6339262 Switching power supply using an input DC power supply  
A switching power supply uses zero-current and zero-voltage switching to reduce switching noise. A main switch and an auxiliary switch channel current and voltage between various component paths to...
6316896 Man machine interface for an A-C motor bypass  
A man machine interface for an A-C motor bypass has a membrane keypad with a multiplicity of pushbuttons connected to a micro-controller. The micro-controller controls the flow of current to the...
6307281 System and method for reducing power dissipation in a circuit  
A method for selective allocation of power to elements of a circuit comprises identifying at least one element of the circuit for reduced power dissipation and selecting the at least one element....
6288458 Power stealing solid state switch  
A mechanically actuated power stealing solid state low energy switch providing a drop-in replacement for low energy mechanical switches. The present switch eliminates disadvantages of the...
6252311 Load sensor and controller/manager  
A sensor remote from the load's open/close switch for detecting the initial minuscule alternating current flow across the load's open/close switch upon closure of the open/close switch. After the...
6249408 Notebook computer and method of carrying out data transmission in any direction via a mobile infrared sensing device  
A notebook computer and method of carrying out data transmission in any direction via a mobile infrared sensing device. Four connecting devices are provided at four sides (in four directions) of...
6241155 Automatic adjusting control system for air-conditioner  
The present invention relates an automatic adjusting control system which is able to automatically adjust an operation setting value thereof according to the air-conditioning environmental...
6222285 Intelligent switch control circuit  
A sensing circuit is useful with a power outlet and a power tool having power supplied thereto via the power outlet. The sensing circuit includes a generator, a transmitter, and a detector. A first...
6222747 Post regulation control circuit for a switch mode power supply with multiple outputs  
A post regulation control circuit (12) is provided for a switch mode power (10) having multiple outputs (VoN) of the phase modulation type with trailing edge synchronization. The control circuit...
6216956 Environmental condition control and energy management system and method  
An indoor environmental condition control and energy management system includes a plurality of inputs. A user input receives user input parameters including a desired indoor environmental condition...
6201675 Monitoring system for a power distribution system and a method of operation thereof  
For use in a power distribution system having first and second output power feeds having corresponding first and second circuit protection devices associated therewith, a monitoring system and a...
6191505 On/off control device for power source unit  
A voltage detection circuit 2 detects a voltage of a battery 1 and, when the voltage thus detected is within a tolerable input voltage of a power source unit 5, an on/off signal transmitter circuit...
6188314 Energy distribution and communication system and method utilizing a communication message frame for a multi-device vehicle occupant protection system  
A system (10) conveys energy and communication between a master (16) and a plurality of slaves (18, 20), via a bus (14). A power/voltage transmitter (44) of the master (16) provides electrical...
6172432 Automatic transfer switch  
An automatic transfer switch apparatus for use with a stand-alone generator, for supplying emergency power to a residence or small business. The automatic transfer switch apparatus is configured to...
6157092 Method and circuit configuration for voltage supply in electric function units  
A circuit configuration and a method for supplying voltages to an electrically functional unit that has a central voltage source UC and a plurality of circuit elements. Between the central voltage...
6150738 Constant current power supply system for connectable modular elements  
A modular electronic assembly comprising a plurality of modules. Each modules power connection plates including a single dynamically defined root power connection plate and at least one dynamically...
6144110 Vehicular use power distribution apparatus and vehicular use power source apparatus  
A vehicular use power distribution apparatus includes a battery mounted in a vehicle; a main control means connected directly to the battery; a first switch means connected to the battery; a power...
6121693 Distributed power system  
A power supply distribution comprises equipment having a shared power bus. Supply isolators isolate the supply from the shared power bus in the event of a power supply output short circuit. Load...
6107696 Circuitry for function modules which can be fitted in a motor vehicle  
Circuitry, particularly for function modules that can be fitted in a motor vehicle and can be connected to a voltage supply and/or a control circuit. A central unit (12) is provided that includes...
6104103 Simultaneous power supply source  
A power transfer system for applying backup electrical power to electrical systems is described which applies backup power automatically without power interruption and which is straightforward to...
6101824 Flexible thermostat controller that permits various control point profiles when controlling multistage HVAC equipment  
A thermostat for use with multistage Heating, Ventilating and Air Conditioning (HVAC) plants where a proportional/integral control loop is present for each stage of the multistage HVAC plant....
6075295 Single inductor multiple output boost regulator  
The present invention provides two or more output voltages from one input voltage and one inductor. Each output voltage is formed by a switch controlling the charge delivered to each of the...
6053001 Controller of air conditioner  
There is provided a demand control apparatus which is less attenuated in the wall and which can be installed even after the completion of construction of a new house. The present invention...
6040637 Selector switch circuit for disabling an airbag  
An airbag control system is provided to disable an airbag in a motor vehicle. The airbag control system includes an airbag control module, a switching circuit with a first circuit path and a second...
6026651 Remote controlled defrost sequencer  
A remote controlled system for remotely controlling a high load device, such as the defrosting cycle of a self-defrosting refrigerator, is provided. The system includes a data interface to receive...
6023108 Electrical circuit arrangement  
An electrical switching circuit for a plurality of electrical consumers which are disposed preferably in a motor vehicle and which can be switched on and off respectively by way of a switching...
5991168 Transient response network, method of diverting energy in a multiple output power converter and a power converter employing the same  
For use with a power converter having a main output and an auxiliary output and an auxiliary regulating switch that regulates a voltage at the auxiliary output, a transient response network, and...
5978352 Multiplex transmission system  
A multiplex transmission system is made up of a master load control unit which is connected to a multiplex transmission network and is capable of executing a multiplexing operation based on control...
5973524 Obtaining accurate on-chip time-constants and conductances  
A bias circuit for obtaining accurate on-chip time constants and resistances. The bias circuit includes a constant-g m bias circuit and feedback loop circuit. The constant-g m bias circuit has a...
5959368 Power supply apparatus for supplying power from a plurality of batteries to a plurality of loads, and electronic appliance using the power supply apparatus  
In a power supply apparatus including a plurality of batteries and a plurality of power supply portions for connecting to loads, a plurality of switches connect these batteries to these power...
5949797 Microcontroller test circuit  
A microcontroller test circuit having a plurality of pins includes first circuit for determining whether the microcontroller is in a normal mode or a test mode by sensing the potential of an input...
5927598 Energy management method and apparatus  
An energy management system designed to reduce the costs of electrical energy particularly applicable to service businesses such as restaurants, service stations, convenience and grocery stores and...
5925998 Energy saving motor control device  
A device which intervenes between an electric switch and a motor which it controls, such intervention reducing the number of times the motor is powered on by keeping the motor running. The device...
5925278 Universal power supply for multiple loads  
The present invention provides a circuit for heating a heating element to a desired temperature and generating an output from a single common AC power source. First, the AC power is rectified. An...
5914539 Motor vehicle electrical control system  
A motor vehicle electrical control circuit for controlling energy consumption units includes a microcomputer, semiconductor output amplifiers, and control circuits. Each of the output amplifiers is...
5905616 Load selectivity system for use with electronic trip circuit breakers  
A circuit breaker interconnect arrangement and a method for selective interruption of electrical circuits includes at least one upstream circuit breaker having an upstream electronic trip unit and...
5903139 Power stealing solid state switch for supplying operating power to an electronic control device  
A power stealing circuit provides operating power for a environmental control such as a thermostatic control while controlling the current in a power supply line to a load in response to the...
5901024 Apparatus and method for circuit protection  
Apparatus for redundancy circuit protection includes a controller (20), a plurality of circuits (22) coupled to the controller (20), and a redundancy switch (50) coupled between the plurality of...
5892393 Power supply circuit having an auxiliary power source for compensating for main power drop  
A power supply circuit is provided with a supplemental power source which is intermittently brought into service each time a main power source is coupled to a high power drain circuit. That is, the...
5874787 Isolation and positive shut-off system for a fuel dispensing facility  
An isolation and positive shut-off system for a fuel dispensing facility having a plurality of dispensers and at least one fuel storage tank in electrical communication with one or more of the...
5838776 Power controller for a heating/air conditioning unit  
A power controller for a powered device such as a heating/air conditioning unit that monitors and controls the supply of power to an individual heating/air conditioning unit and shuts off power to...
5831805 Local power failure detection and clock disabling circuit  
A local power failure detection and clock disabling circuit operates within a node coupled to a bus structure. The node includes multiple ports and physical connections for supporting multiple...
5819713 Automotive ignition control system  
An automotive ignition control system includes a vehicle control computer operable to provide electronic spark timing (EST) signals, a control circuit having a number of coil drive circuits...
5816491 Method and apparatus for conserving peak load fuel consumption and for measuring and recording fuel consumption  
A method and control apparatus are described for limiting peak-load contribution by HVAC systems and other systems, and for measuring the effect of energy-conservation expedients. The control...
5796076 Sauna heater control  
A sauna heater control having a plurality of electrical heater elements for heating a sauna chamber, an alternating current heater power circuit, a half-wave rectifier for selective inclusion in...
5793124 Uninterruptible power supply control system equipped with timer mechanism  
An uninterruptible power supply control system of for controlling power supply to an internet type apparatus, a CPU type apparatus requiring a shutdown processing and a printer type apparatus not...
5786683 Electric supply control  
A power supply system for premises (12') has a meter (20) which stores tariff information (rates and times) received via mains signalling from a controller (13). An outlet (33) has control means...
5770895 Operation control device and method for a plurality of electric power consuming systems  
An operation control device for use in an electric power supply system for supplying electric power from one electric power source to a plurality of electric power consuming systems, which can...
5763960 Power supply controlled operation sequencing method and apparatus  
A method and apparatus for sequencing the operation of electronic circuits based upon the level of the voltage provided by an external power supply. One or more power supply sequencer circuits may...
Matches 101 - 150 out of 436 < 1 2 3 4 5 6 7 8 9 >