Matches 1 - 50 out of 367 1 2 3 4 5 6 7 8 >


Match Document Document Title
8183719 Drive circuit for DC latching devices  
A drive circuit for a DC latching device includes a battery, a storage element, and a plurality of switches connecting the battery to the storage element for charging the storage element from the...
8169252 Low voltage drop closed loop unidirectional electronic valve  
A low voltage drop unidirectional electronic valve constituted of: a first terminal; a second terminal; a first electronically controlled switch coupled between the first terminal and the second...
8159092 Power supply unit having a voltage converter  
The present invention concerns an electrical installation or device equipped with a power supply unit comprising a voltage converter having primary and secondary parts respectively defining a...
8143749 Dual current switch detection circuit with selective activation  
A dual current switch detection circuit with selective activation is disclosed. In a particular embodiment, the switch detection circuit comprises an input node coupled to a switch to receive an...
8102080 Control system for an appliance  
A control system for determining a magnitude of a voltage and controlling an application of the voltage to at least one load device of an appliance is disclosed. The control system includes a...
8084892 Power supply device and method  
An object is to provide a duplex power supply for auxiliary machines. A power supply device includes a switching section that is connected to a direct-current link between a generator-side inverter...
8084893 Semiconductor device for controlling switching power supply  
A semiconductor device controls a switching power supply. The semiconductor device includes a current inflow terminal; a starter circuit to cause a starting current to flow from the current inflow...
8076794 Multi-voltage vehicle electrical supply system for a motor vehicle and method for operating the same  
A multi-voltage vehicle electrical system for a motor vehicle is provided, including at least one multi-voltage generator, a first energy store, whose energy may be fed into a first low-voltage...
8063516 Four quadrant MOSFET based switch  
An electronically controlled four quadrant MOSFET based switch in which a pair of drivers are provided in cooperation with a MOSFET. A first one of the drivers is arranged such that when current...
8054120 Integrated circuit operable in a standby mode  
An integrated circuit, comprises a wakeup terminal; a supply voltage terminal configured to receive a supply voltage; and a power control circuit. The power control circuit comprises an enable...
8049373 Apparatus for stabilizing power supply of heater housing box cooling apparatus  
In a cooling system used in cooling of a heater housing box, the present invention presents an apparatus for stabilizing power supply of heater housing box cooling apparatus capable of changing...
8035254 Method and apparatus for integrated cable drop compensation of a power converter  
An integrated circuit controller for a power converter to be coupled to a distribution network is disclosed. An example integrated circuit controller according to aspects of the present invention...
8022579 Brownout solution for electromechanical automatic transfer switch  
A circuit for dynamically increasing the drop-out voltage of an electromechanical automatic transfer switch (ATS) into a brownout voltage range is provided. The automatic transfer switch includes a...
8013473 Detector based combination regulator  
Methods and apparatus provide multiple input voltage regulation in which one regulator is selected for operation based on input power conditions. In one example, a dual input voltage regulator...
8013475 Reverse voltage protected integrated circuit arrangement for multiple supply lines  
An integrated circuit arrangement includes a semiconductor body having a substrate and at least one substrate terminal. At least one semiconductor component is integrated in the semiconductor body...
8004121 Connection cable and method for activating a voltage-controlled generator  
A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a...
7977824 Switching device, use thereof and a method for switching  
A device for switching in and out a load with respect to an alternating voltage feeder has two mechanical switches connected in series in a current path between the load and the feeder and each...
7973425 Power strip device for powering a master load and multiple slave loads  
A power strip device includes a power plug, a master power outlet, multiple slave power outlets and a control circuit. The control circuit includes an inductor, a reed switch and a switching...
7966839 Method and system for controlling a compressor for an HVAC module  
A system for controlling a heating and cooling system for use on a machine includes a condenser, an evaporator assembly, an electric motor driven compressor, and a master controller operable to...
7948201 Induction motor control device  
An induction motor control device includes an inverter circuit for driving an induction motor by outputting a command voltage, a current detector for detecting an output current, a magnetic flux...
7932641 Low voltage head room detection for reliable start-up of self-biased analog circuits  
A method and structure for preventing operation of a circuit in a high current operating region by disabling a start-up circuit until a power supply headroom is detected at a predetermined voltage...
7923856 Low voltage control interface coupler for multipulse transmitter  
A method for causing, in a power distribution network, an oscillation allowing data to be transmitted, includes connecting at least one capacitive load in series with a modulation circuit between...
7923869 Power adapter  
A power adapter includes a primary side for receiving power from a mains power supply; a secondary side for providing operating and/or charging power, derived from the primary side, to an...
7911259 Voltage switching circuit  
A voltage switching circuit selects a voltage from among a plurality of input voltages in response to a selection signal and outputs the selected voltage from an output terminal. The voltage...
7911185 Battery voltage detection circuit  
A battery-voltage detection circuit comprising: a first-capacitor; an operational-amplifier; a second-capacitor; a voltage-application-circuit to sequentially apply one and the...
7893566 Power latch  
A circuit that automatically, seamlessly connects the higher (or the lower) of two power supplies to an output is described. The circuit does not incur a one diode drop when the two power supplies...
7888822 Power-saving laser pointer mouse  
The present invention provides a power-saving laser pointer mouse including a battery, a micro-controller and a laser diode. The power-saving laser pointer mouse can be operated in multi-stage...
7880341 Switching device for transformer having uninterruptible power supply function, and methods of controlling turn ratio and voltage of the transformer using the same  
A switching device for a transformer allows stable power supply without power interruption when a secondary winding voltage of the transformer is changed in the case of voltage drop on a...
7880340 Radiation-triggered semiconductor shutdown device  
An integrated circuit includes a radiation-triggered shutdown circuit that disables a critical aspect of the integrated circuit rendering the integrated circuit non-functional when the integrated...
7875998 Power supply control circuit of display device  
A power control circuit includes an isolation circuit for receiving a separate image signal and outputting a start signal, and a driving circuit for outputting a direct current (DC) power to start...
7872846 Protective circuit for intrinsically safe electro-magnetic actuators, and protective circuit for intrinsically safe energy supply systems  
A protective circuit (30) for intrinsically safe electromagnetic actuators operating at the voltage of a power supply approved for underground mining, for switching electrohydraulic valves in...
7859132 Apparatus, system, and method for safely connecting a device to a power source  
An apparatus, system, and method are disclosed for safely connecting a device to a power source. The invention includes a power bus switch that operates to selectively allow operational power to...
7851948 Semiconductor device  
A semiconductor device includes that a first power line supplied with first power supply voltage, a second power line supplied with second power supply voltage, a third power line electrically...
7834484 Connection cable and method for activating a voltage-controlled generator  
A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a...
7834481 Threshold detection in back-up power supply systems  
A threshold detection circuit includes, in one embodiment, a comparator having a first input connection for receiving a backup voltage from a backup power source, a second input connection for...
7804202 Method and apparatus for mode selection for high voltage integrated circuits  
A method is disclosed to add functionality to a terminal of a high voltage integrated circuit without the penalty of additional high voltage circuitry. The benefit is that alternative modes of...
7791225 Power switching circuit and liquid crystal display using same  
An exemplary LCD (2) includes a control signal input terminal (210) configured for receiving a control signal; an output terminal (220) configured to be connected to a load circuit; a first direct...
7761757 Apparatus and method of setting test mode in semiconductor integrated circuit  
An apparatus for setting a test mode in a semiconductor integrated circuit includes a test mode control block that generates a coding control signal according to whether or not a control fuse is...
7755222 Method and system for high power switching  
According to one embodiment of the invention a method for switching an alternating current signal between at least two paths includes providing, in at least one of the paths, first and second field...
7755220 Power stealing for a thermostat using a TRIAC with FET control  
An electronic thermostat circuit has improved power stealing for controlling an AC control device. The circuit comprises a source of AC control power coupled to an electronic switch means having an...
7745960 Power supply control signal generating circuit  
A power supply control signal generating circuit includes a connector, a switch, a transistor, and an input-output (I/O) controller. The connector includes a first pin and a grounded second pin....
7741736 System and method for multiple sense point voltage regulation  
The present invention is a system and method for sensing the voltage at multiple sense points. The present invention acquires optimal feedback from a plurality of sources including those integrated...
7723872 Method and apparatus for determining a switching time for an electrical switching device  
A method and a device for determining a switching time of an electric switching device. An electric switching device includes an interrupter link. A first line section and a second line section can...
7710142 Semiconductor integrated circuit  
A semiconductor integrated circuit includes power supply pads of two or more kinds, switches each of which is connected between adjacent two of the power supply pads to allow short-circuiting them,...
7709977 Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network  
The invention relates to a method and apparatus for controlling and for setting the switching states of switches which are connected to the electrical poles or outputs of a fuel cell and which are...
7696815 Electronic device having multi-power source integrated circuit  
An electronic device includes: an integrated circuit having a first circuit part, a second circuit part, a first power source line of the first circuit part, a second power source line of the...
7696646 Power switching circuit for liquid crystal display  
An exemplary power switching circuit (20) includes a control signal input terminal (210); an output terminal (220); direct current (DC) power supply (230); a first transistor (250) including a...
7696641 Power supply control circuit and electronic circuit  
A power supply control circuit (3) having control of the supply and shutoff of electrical power from a power source (2), and including a request-receiving unit (11) operable to receive a power...
7684768 Loop powered current-loop wireless transmitter  
A self-powered current loop transmitter transmits a process variable over a wireless link, deriving operating power from the current which drives the loop. A storage capacitor is connected across...
7679224 Circuit for protecting computer  
A circuit is used for preventing a computer from being powered up before a CPU voltage of the computer is prepared properly. The circuit includes a power supply for providing power to the computer,...
Matches 1 - 50 out of 367 1 2 3 4 5 6 7 8 >