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6315results about "Arrangements responsive to excess voltage" patented technology
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Autonomous grid shifting lighting device
InactiveUS20110133655A1Advantage in easeLow costElectroluminescent light sourcesSemiconductor lamp usageElectricityEffect light
In embodiments of the present invention improved capabilities are described for autonomous shifting of at least a portion of a lighting load off an energy distribution grid, comprising electrically connecting a lighting device to the energy distribution grid; causing the lighting device to interpret information obtained from an information source proximate the lighting device; and causing the lighting device to select from at least two different power sources based on the interpretation, where selecting may include a sharing of the load between the two different power sources, and where one power source may be the energy distribution grid.
Owner:RING LLC
Power line coupling device and method
InactiveUS7876174B2Multiple-port networksElectric signal transmission systemsElectrical conductorElectric power distribution
Owner:SUBAUDITION WIRELESS
Snubber circuit for a power converter
InactiveUS7385833B2Easy to controlHigh voltageEfficient power electronics conversionDc-dc conversionTransverterEngineering
Owner:ASTEC INT LTD
Overvoltage sensing and correction circuitry and method for low dropout voltage regulator
InactiveUS6201375B1Reduce severityEmergency protective arrangements for limiting excess voltage/currentArrangements responsive to excess voltageOvervoltageElectrical conductor
Owner:BURR-BROWN CORPORATION
Universal multiple device power adapter and carry case
InactiveUS7224086B2Easy to chargeEasy accessCoupling device connectionsBatteries circuit arrangementsElectric power systemElectrical battery
The present invention is directed to a carrying case with an integrated power supply system for providing power to multiple electronic devices from a single power source. In addition to allowing quick access and storage of various electronic devices, the carrying case also allows the individual electronic devices to be easily connected to the power source and eliminates the need to carry multiple charging cords. In certain embodiments, the power supply system further includes an additional battery or other power source, which increases the runtime of connected electronic devices and reduces the need to carry additional individual batteries for the individual devices. With different connectors on the input to the power system, different AC or DC power sources may be utilized. Different connectors can also be used to provide power to different electronic devices.
Owner:SCHNEIDER ELECTRIC IT CORP
Electrostatic discharge protection device for liquid crystal display using a COG package
InactiveUS6043971AEmergency protective arrangements for limiting excess voltage/currentNon-linear opticsEngineeringElectrostatic discharge protection
The electrostatic discharge (ESD) protection device for a liquid crystal display using a chip on glass (COG) package is provided. The ESD protection device includes a plurality of gate lines and data lines each of which has an output pad at its end. A plurality of gate line input pads and data line input pads are formed opposite to the output pads of the gate lines and data lines, respectively. A common electrode is formed between the plurality of gate line input pads and output pads and between the data line input pads and output pads. A plurality of electrostatic discharge protection circuits are connected between the input pads and the common electrodes to protect the input pads from electrostatic discharge.
Owner:LG DISPLAY CO LTD
System, device and method for providing voltage regulation to a microelectronic device
InactiveUS6965502B2High speed signal settlingAct quicklyPower supply for data processingArrangements responsive to excess currentEngineeringSteady state
The present invention provides a power regulation system and method with high speed signal settling capabilities for providing rapid active transient response to a microelectronic device. An active transient response system includes a power supply configured to receive external and / or internal signals indicating the occurrence of transient load conditions and to respond to the transient load conditions based on one or more of these signals. The system may further include a transient suppressor configured for early detection of transients, assisting in transient suppression, and early signaling of transient activity to the power supply.The system provides rapid recovery to steady state operation from the active transient response mode by using a digital compensator to quickly modifying the duty cycle and provide a voltage offset proportional to the transient microprocessor load step. Recovery is further improved by current rephasing techniques.
Owner:INFINEON TECH AUSTRIA AG
Protection circuit for a boost power converter
InactiveUS6185082B1Apparatus without intermediate ac conversionArrangements responsive to excess currentCurrent limitingTime delays
A protection circuit for a boost power converter provides input under-voltage protection and output over-voltage and over-current protection. The protection circuit includes a control power MOSFET connected in series between the ground of the boost power converter and the ground of the load. The arrangement of the circuit makes it easy to drive the gate of an N-channel power MOSFET and is ideal for current-limiting control, which utilizes the Rds-on of the MOSFET as a current sensing element. Neither a specific gate-driver nor a current sensing resistor is required, and thus high efficiency can be achieved. Furthermore, the slow slew-rate at the gate of the MOSFET provides a soft-start to the load. The protection circuit includes a temperature compensation circuitry to offset the variation of the Rds-on. A time delay circuit prevents the switching elements and protection elements from overload damage.
Owner:SEMICON COMPONENTS IND LLC
EMI filter terminal assembly with wire bond pads for human implant applications
ActiveUS20050007718A1Avoid crackingAbsorbs stressMultiple-port networksElectrotherapyElectromagnetic interferenceSoldering
An electromagnetic interference filter terminal assembly for active implantable medical devices includes a structural pad in the form of a substrate or attached wire bond pad, for convenient attachment of wires from the circuitry inside the implantable medical device to the capacitor structure via thermal or ultrasonic bonding, soldering or the like while shielding the capacitor from forces applied to the assembly during attachment of the wires.
Owner:WILSON GREATBATCH LTD
By-pass diode structure for strings of series connected cells of a photovoltaic panel
A by-pass circuit includes a first power MOS with an intrinsic diode, a first conduction terminal coupled to a cathode, a second conduction terminal coupled to an anode, and a control terminal. A tank capacitor is coupled to the anode. A second MOS has a first and second conduction terminals, a control terminal, and a turn-on threshold smaller than that of the intrinsic diode, the first conduction terminal thereof coupled to the cathode and the control terminal coupled to the anode, so the first MOS turns on when the array of cells are sub-illuminated. An oscillator and charge pump are supplied through the second conduction terminal of the second MOS to charge the tank capacitor. A control circuit is coupled to the control terminal of the first power MOS to switch it based upon a voltage of the tank capacitor and sign of the voltage between the cathode and anode.
Owner:STMICROELECTRONICS SRL
Spark arrestor and airflow control assembly for a portable cooking or heating device
ActiveUS7644711B2Easy to adjustEasy to controlDomestic stoves or rangesBaking ovenSpark arrestorEngineering
Owner:THE BIG GREEN EGG
Systems and methods for real-time protective device evaluation in an electrical power distribution system
ActiveUS20070213956A1Computation using non-denominational number representationAnalogue computers for nuclear physicsReal-time dataDistribution system
A system for providing real-time modeling of protective device in an electrical system under management is disclosed. The system includes a data acquisition component, a virtual system modeling engine, and an analytics engine. The data acquisition component is communicatively connected to a sensor configured to provide real-time measurements of data output from protective devices within the system under management. The virtual system modeling engine is configured to update a virtual mode of the system based on the status of the protective devices and to generate predicted data for the system using the updated virtual model. The analytics engine is communicatively connected to the data acquisition system and the virtual system modeling engine and is configured to monitor and analyze a difference between the real-time data output and the predicted data output. The analytics engine is also configured to determine the bracing capabilities for the protective devices.
Owner:POWER ANALYTICS GLOBAL CORP +1
Apparatus for high surge voltage protection
InactiveUS7161785B2Emergency protective arrangement detailsOvervoltage protection resistorsElectricityCoaxial cable
A surge protection element for a conventional cable connector includes a printed circuit board preferably shaped as two concentric rings connected by two spokes. The outer ring is electrically connected to the grounded portion of the cable connector body. A printed circuit trace on one of the spokes is separated from a printed circuit trace on the inner ring by a spark gap. If a high voltage surge is carried by the coaxial cable transmission line, a spark is formed in the gap. As a consequence, the high voltage surge is transferred to the surge protection element which in turn conducts the electricity to the grounded body of the connector.
Owner:JOHN MEZZALINGUA ASSOC INC
Electronic component-built-in module
InactiveUS6998532B2Final product manufactureSemiconductor/solid-state device detailsResistEngineering
Owner:PANASONIC CORP
Electric supply unit for plasma installations
InactiveUS6621674B1Current in the inductive resistors will decrease only very slowlyIncrease blockingElectric discharge tubesAc-dc conversionClosed loopEngineering
What is described here is a power supply unit for plasma systems such as plasma processing or coating devices, wherein electric arcs or disruptive breakdown may occur, which originate from an electrode in particular, comprisinga d.c. voltage or direct-current source whose output terminals are connected via an inductive resistor and a power switch to the electrodes of the plasma system, and possiblya circuit for detecting electric arcs or disruptive breakdown, that operates the switch upon occurrence of an electric arc or disruptive breakdown, in such a way that electrical energy producing a plasma will no longer be applied to the electrodes.The invention is characterised by the provisions that the inductive resistor(s) is (are) each connected to a recovery diode and that the switch is a series switch.In another embodiment of the invention a controller or closed-loop controller, respectively, is provided which, upon occurrence of an electric arc or disruptive breakdown, respectively, extinguishes same by disconnecting the voltage applied to the electrodes or by commutation to an inverted voltage for a defined period of time (deactivation interval), and which, upon occurrence of at least one electric arc or disruptive breakdown event, reduces the activation interval of the voltage causing plasma operation.
Owner:HUETTINGER ELEKTRONIK
High voltage surge protection element for use with CATV coaxial cable connectors
InactiveUS7102868B2Easy to installReduce manufacturing costEmergency protective arrangement detailsOvervoltage protection resistorsElectricityCoaxial cable
An electrically conductive element for protecting electrical components positioned within a cable connector or cable terminator from high voltage surges includes a ring that is positioned in circumferentially surrounding relation to the input pin of the connector or terminator that carries the signal being transmitted by the coaxial cable. The ring includes at least one prong that extends radially inward therefrom which terminates in close but non-contacting relation to the input pin. When a high voltage surge of electricity is carried by the coaxial cable transmission line, a spark is formed in the gap between the prong and the cable connector or terminator. As a consequence, the high voltage surge is transferred to the surge protection element which in turn conducts the electricity to the grounded body of the connector or terminator.
Owner:JOHN MEZZALINGUA ASSOC INC
Battery protection circuit
ActiveUS6992463B2Cells structural combinationBattery overcharge protectionBattery systemBattery cell
Owner:TEXAS INSTR INC
System and method for solar panel array analysis
ActiveUS8289183B1Electric signal transmission systemsWired architecture usageMonitoring systemEngineering
A system and method for monitoring performance of one or more solar panels in a photovoltaic array. The system and method includes a number of sensors are configured to measure an output of individual solar panels. A telemetry gateway collects data from the sensors and transmits the collected data to a monitoring system. The monitoring system includes an event signature recognizer; a trend analyzer; and a symmetry analyzer. The monitoring system detects events, trends and solar panel array asymmetry. Additionally, the monitoring system displays realtime graphs, proposed corrective actions, and alerts via a user interface.
Owner:NAT SEMICON CORP
Lightning protection system for composite structure
ActiveUS7277266B1Flexibility in lightning protection designIncreasing aircraft weightAircraft lighting protectorsEmergency protective arrangement detailsElectricityLightning strike
A lightning protection system for protecting composite structures and a method of protecting composite structures from lightning strikes. A dielectric ply is fixed above and completely covers metal surface features, e.g., skin fasteners through a composite skin to a wing fuel tank. A conductive ply is fixed above and completely covers the dielectric ply and extends to an external connection to a platform ground. The conductive ply directs current from lightning strikes away from metal surface features, e.g., to the platform ground. Both plies may be adhesively backed and sequentially pressed into place.
Owner:THE BOEING CO
Digitally controlled voltage regulator
ActiveUS7023672B2Easy to customizePrecise power controlEfficient power electronics conversionDc-dc conversionControl signalOptimal control
Disclosed is a digitally controlled multi-phase voltage regulator system providing regulated power to electronic components that have variable power requirements. Power is supplied by one or more power integrated circuits (IC) each having a high side power switch controlled by pulse width modulated signals and a low side power switch. The power IC senses voltage at the load and has an on-chip current mirror for generating a current that is a ratio of current delivered to the load. The power IC also has current limiting and on-chip temperature sensing components. The voltage and current information is digitized and provided to a control integrated circuit (IC). The control IC receives this digitized information as well as user provided parameters and, in the regulation mode of operation, provides digitized pulse width modulated control signals to the power IC. In an active transient response mode of operation, the control IC provides signals to turn either the high side switches or low side switches ON. Fault detection circuitry identifies over voltage, under voltage, and excessive temperatures. All communications between the control IC and the power IC are digital providing high bandwidth, optimal control frequency response, noise immunity and efficient active transient response.
Owner:INFINEON TECH AUSTRIA AG
Grounding brush for mitigating electrical current on motor shafts
ActiveUS7193836B2Reduce shaft currentEfficient assemblyAssociation with grounding devicesEmergency protective arrangement detailsElectric machineClassical mechanics
A grounding brush for mitigating static electric charge on a motor shaft includes a plurality of filaments secured to an annular frame around the shaft, with tips of the filaments disposed in a channel defined by the frame. Conductive powder can be provided in the channel to improve current flow from the shaft to the filaments.
Owner:ILLINOIS TOOL WORKS INC
Integrated passive filter incorporating inductors and ESD protectors
A method for implementing an inductor-capacitor filter in an integrated circuit. Embodiments of the invention implement a 5-pole LC low-pass filter suitable for incorporation in wireless applications necessitating compact layouts. Inductors are formed in an IC as concentric coils on metallization layers, the concentric coils providing a negative coupling coefficient between the inductors. The invention provides programmable frequency response characteristics, enabling the transmission of high-frequency base band information while attenuating carrier RF frequencies.
Owner:SEMICON COMPONENTS IND LLC
Electronic component-built-in module
ActiveUS20050013082A1Final product manufactureSemiconductor/solid-state device detailsResistElectronic component
A module includes an electronic component having at least two electrodes, a board having electrodes on its surface to be connected to the electrodes of the electronic component, respectively, solders for connecting the electrodes of the electronic component to the electrodes of the board, respectively, an insulating resin covering the electronic component, the surface of the board, the solder, and the electrodes, and solder resists provided on the surface of the board and around the electrodes of the board, respectively. One of the solder resists is separated from the other electrode at a portion between the electronic component and the board. When this module is mounted on a motherboard, the solder does not flow out of the electrodes even when the solder in the insulating resin melts.
Owner:PANASONIC CORP
ESD protection circuit
ActiveUS7164565B2Low impedance pathSolid-state devicesEmergency protective arrangements for limiting excess voltage/currentEngineeringIntegrated circuit
An ESD protection circuit for an integrated circuit includes an ESD clamping circuit, an ESD triggering circuit, and an ESD disabling circuit. The ESD clamping circuit is operably coupled to a first power pin of the integrated circuit and a second power pin of the integrated circuit. The ESD triggering circuit is operably coupled to the ESD clamping circuit, wherein, when enabled and when sensing an ESD event, the ESD triggering circuit provides a clamping signal to the ESD clamping circuit such that the ESD clamping circuit provides a low impedance path between the first and second power pins. The ESD disabling circuit is operably coupled to disable the ESD triggering circuit when the integrated circuit is in a normal operating mode.
Owner:APPLE INC
Internally shielded energy conditioner
InactiveUS7675729B2Easy to decoupleVolume maximizationMagnetic/electric field screeningFinal product manufactureElectricityEnergy regulation
Owner:X2Y ATTENUATORS L L C
Protection for permanent magnet motor control circuits
InactiveUS20080304189A1DC motor speed/torque controlAsynchronous induction motorsPermanent magnet motorMotor control
Methods and apparatus are provided for protecting a motor control circuit in a permanent magnet electric motor system. The permanent magnet electric motor system includes a permanent magnet electric motor having a predetermined number of windings corresponding to the phases of the permanent magnet electric motor and a direct current (DC) bus coupled to a power source for providing operational power for the electric motor system. A motor control circuit is connected to the DC bus for receiving the operational power therefrom and is connected to the windings of the permanent magnet electric motor for controlling the permanent magnet electric motor. A protection circuit is connected to the DC bus for receiving the voltage therefrom for operation of the protection circuit and for detecting predetermined motor control circuit fault conditions from voltage sensed on the DC bus and in response thereto providing protection for the motor control circuit.
Owner:GM GLOBAL TECH OPERATIONS LLC
Universial energy conditioning interposer with circuit architecture
InactiveUS7110227B2Solve and reduce industry problemSolve and reduce and obstacleMagnetic/electric field screeningSemiconductor/solid-state device detailsEnergy regulationInterposer
The present invention relates to an interposer substrate for interconnecting between active electronic componentry such as but not limited to a single or multiple integrated circuit chips in either a single or a combination and elements that could comprise of a mounting substrate, substrate module, a printed circuit board, integrated circuit chips or other substrates containing conductive energy pathways that service an energy utilizing load and leading to and from an energy source. The interposer will also possess a multi-layer, universal multi-functional, common conductive shield structure with conductive pathways for energy and EMI conditioning and protection that also comprise a commonly shared and centrally positioned conductive pathway or electrode of the structure that can simultaneously shield and allow smooth energy interaction between grouped and energized conductive pathway electrodes containing a circuit architecture for energy conditioning as it relates to integrated circuit device packaging. The invention can be employed between an active electronic component and a multilayer circuit card. A method for making the interposer is not presented and can be varied to the individual or proprietary construction methodologies that exist or will be developed.
Owner:X2Y ATTENUATORS L L C
Universal energy conditioning interposer with circuit architecture
InactiveUS7301748B2Cost effectiveSolve or reduce industry problems and obstaclesImpedence networksSemiconductor/solid-state device detailsEnergy regulationInterposer
The present invention relates to an interposer substrate for interconnecting between active electronic componentry such as but not limited to a single or multiple integrated circuit chips in either a single or a combination and elements that could comprise of a mounting substrate, substrate module, a printed circuit board, integrated circuit chips or other substrates containing conductive energy pathways that service an energy utilizing load and leading to and from an energy source. The interposer will also possess a multi-layer, universal multi-functional, common conductive shield structure with conductive pathways for energy and EMI conditioning and protection that also comprise a commonly shared and centrally positioned conductive pathway or electrode of the structure that can simultaneously shield and allow smooth energy interaction between grouped and energized conductive pathway electrodes containing a circuit architecture for energy conditioning as it relates to integrated circuit device packaging. The invention can be employed between an active electronic component and a multilayer circuit card. A method for making the interposer is not presented and can be varied to the individual or proprietary construction methodologies that exist or will be developed.
Owner:X2Y ATTENUATORS L L C
Systems and methods for real-time dynamic simulation of uninterruptible power supply solutions and their control logic systems
InactiveUS7844440B2Current/voltage measurementAnalogue computers for electric apparatusReal-time dataControl system
Owner:POWER ANALYTICS CORP
Inter-chip ESD protection structure for high speed and high frequency devices
ActiveUS20070029646A1Reduce load capacitanceImprove system performanceSemiconductor/solid-state device detailsSolid-state devicesEngineeringHigh velocity
The present invention relates to inter-chip electrostatic discharge (ESD) protection structures for high speed, and high frequency devices that contain one or more direct, inter-chip signal transmission paths. Specifically, the present invention relates to a structure that contains: (1) a first chip including a first circuit, (2) a second chip including a second circuit, (3) an intermediate insulator layer located between the first and second chips, wherein the first and second circuits form a signal transmission path for transmitting signals through the intermediate insulator layer. An electrostatic discharge (ESD) protection path is provided in the structure between the first and the second chip through the intermediate insulator layer, to protect the signal transmission path from ESD damages.
Owner:GLOBALFOUNDRIES US INC
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