| Entries |
| Document | Title | Date |
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| 20080290737 | Semiconductor circuit device and data processing system - Occurrence of power supply noise arising in connection with a step-down action at the time of turning on power supply is to be restrained. A step-down unit is provided with a switched capacitor type step-down circuit and a series regulator type step-down circuit, and stepped-down voltage output terminals of the step-down circuits are connected in common. The common connection of the stepped-down voltage output terminals of both step-down circuits makes possible parallel driving of both, selective driving of either or consecutive driving of the two. In the consecutive driving, even if the switched capacitor type step-down circuit is driven after driving the series regulator type step-down circuit first to supply a stepped-down voltage to loads, the switched capacitor type step-down circuit will need only to be compensated for a discharge due to the loads, and a peak of a charge current for capacitors can be kept low. When operation of the switched capacitor type step-down circuit is started, no large rush current arises, and occurrence of noise is restrained. | 11-27-2008 |
| 20080315690 | INITIAL CIRCUITS, FULL BRIDGE SWITCHING CIRCUITS AND HALF BRIDGE SWITCHING CIRCUITS - An initial circuit is provided. The initial circuit receives a plurality of input signals and controls an initial status of a switching circuit with a plurality of switches. The initial circuit includes a judgment circuit for generating an enable signal according to one of the input signals, and a control circuit for generating a plurality of control signals according to the enable signal and the input signals. The switches are turned off by the control circuit according to the control signals when the switching circuit is in an initial status, and the switches are controlled by the control circuit according to the control signals when the switching circuit is in an operating status. | 12-25-2008 |
| 20090066165 | Power switch device - The invention provides a power switch device for electronic systems equipped having a power module. The power switch device includes a first switch for activating a first signal, a second switch for activating a second signal, a logic judging module for receiving the first and second signals for logic algorithm processing, and a control module electrically connected to the electronic system and the logic judging module. The control module is adapted to generate and transmit on and off signals of the electronic system to the logic judging module. Further, the control module controls switching on the power module according to the off signal and the logic algorithm processing based on the first signal, and also controls switching off the power module according to the on signal and the logic algorithm processing based on the first and second signals. | 03-12-2009 |
| 20090085409 | ENERGY HARVESTING SYSTEM AND METHOD USING MULTIPLE ENERGY SOURCES - An energy harvesting system and method having improved efficiency. A primary energy harvesting device is used to generate a first electrical output signal. The first electrical output signal is applied to a first switching circuit. A secondary energy harvesting device is used to generate a second electrical output signal that is used to power a second switching circuit. The second switching circuit generates the switching drive signal for the first switching circuit, which in turn generates a final output signal. By using a second energy harvesting circuit operating in connection with a different structure, and a secondary switching circuit, less power from the signal generated by the primary energy harvesting device is needed to power the first switching circuit. This results in a greater percentage of the output power of the first signal being usable by an external device. | 04-02-2009 |
| 20090115256 | Dynamically changing control of sequenced power gating - Power control circuitry for controlling connection of a voltage source to a switched power rail powering an associated circuit is provided. A plurality of switch blocks are connected in parallel between the switched power rail and the voltage source, each switch block being controlled by an enable signal provided by a switch controller. The switch controller performs a turn-on sequence providing a series of enable signal patterns to the switch blocks. The switch controller applies a time varying generation operation to at least one sequence stage of a predetermined turn-on sequence to produce a corresponding enable signal pattern for that sequence stage. When the turn-on sequence is later repeated, the enable signal pattern produced for at least one of the sequence stages differs from the enable signal pattern previously produced for that sequence stage. | 05-07-2009 |
| 20090160264 | HIGH FREQUENCY SWITCHING CIRCUIT - There is provided a high frequency switching circuit that can reduce generation of a harmonic signal without using a boost circuit. A high frequency switching circuit according to an aspect of the invention may include: a first switch having one end connected to a first port and the other end connected to a ground; a second switch having one end connected to a second port and the other end connected to the first port by a phase rotation element; and a control circuit controlling to turn off the first switch and turn on the second switch when a high frequency signal input to the first port is output through the second port, wherein the control circuit controls the off-state of the first switch so as to increase harmonics of the high frequency signal generated from the first switch, and the phase rotation element rotates the phase of the harmonics generated in the first switch within a frequency band of the harmonics, and cancels the phase-rotated harmonics generated from the first switch and harmonics generated from the second switch in opposite phases to each other. | 06-25-2009 |
| 20090160265 | METHOD OF DRIVING DC/DC CONVERTER, AND DC/DC CONVERTER - When the three U-, V-, W-phase arms of a DC/DC converter are turned on, they are alternately turned on by gate drive signals. When the U-, V-, W-phase arms are alternately turned on, an upper arm switching device of the U-phase arm, for example, is turned on, and thereafter a lower arm switching device of the U-phase arm is turned on. Thereafter, an upper arm switching device of the V-phase arm which is next to the U-phase arm is turned on, and thereafter a lower arm switching device of the V-phase arm is turned on. The upper and lower arm switching devices are thus turned on in a rotation switching process. | 06-25-2009 |
| 20090160266 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes a plurality of circuit blocks; a plurality of power switches configured to supply power or cut power supply to the corresponding circuit blocks on a circuit-block-by-circuit-block basis in accordance with logic states of first control signals; a power switch controller configured to select, upon receipt of a second control signal, which power switches to control from among the plurality of power switches, and output third control signals instructing the selected power switches to supply power or cut power supply; and a first protection circuit provided between the power switches and the power switch controller, the first protection circuit being configured to output the first control signals, which are obtained by converting the logic states of the third control signals, to the selected power switches. | 06-25-2009 |
| 20090251009 | Drive Isolation Transformer Controller and Method - A transformer controller for a drive isolation transformer is provided. The transformer may include multiple sets of primary windings as an input, and the transformer controller may include multiple branches coupled between a power source and the transformer. Each branch may be coupled to its own primary winding on the transformer, and may include one or more components, such as an isolation switch, a fuse, contactor, or circuit breaker. One or more of the branches may include a pre-charge reactor to limit inrush or capacitor charging current occurring during startup, and may include a pre-charge contactor to remove the pre-charge reactor from the circuit when the startup process has reached a certain level (e.g., the charging or inrush current has dissipated, or a DC bus reaches a charged state). | 10-08-2009 |
| 20100001589 | POWER SUPPLY CIRCUIT FOR MOTHERBOARD - An exemplary power supply circuit for a motherboard includes a control circuit, a self-locking circuit, and an unlocking circuit. The control circuit is configured for receiving a working mode signal. The self-locking circuit is arranged to receive a power ok signal and a power supply on signal from a power supply, and is connected to the control circuit and a standby power. The unlocking circuit is connected to the control circuit, the self-locking circuit and the standby power, and is also arranged to receive the power ok signal. When the motherboard is placed in an energy-saving mode, the unlocking circuit unlocks the standby power from the motherboard when the computer is turned off to achieve energy savings. | 01-07-2010 |
| 20100007216 | Switch Arrangement and Method for Electrical Switching - A switch arrangement comprises a first and a second terminal ( | 01-14-2010 |
| 20100038973 | METHOD TO DRIVE A HIGH-VOLTAGE TUBE GRID - A method and device for operating a device for high-voltage switching for driving capacitive loads, having a first and a second input terminal ( | 02-18-2010 |
| 20100052435 | SWITCHING CIRCUIT, SIGNAL OUTPUT DEVICE AND TEST APPARATUS - A signal output device that outputs an output signal according to an input signal expressing a logical value that includes a high-voltage side switching circuit between a first terminal and a second terminal in accordance with a first control signal. The device includes a low-voltage side switching circuit between a first and second terminal for outputting a low-voltage side reference voltage in accordance with a second control signal and a control section. The high-voltage and low-voltage side switching circuits include a plurality of switching devices serially connected between the first terminal and the second terminal and each of which is opened in accordance with a provided control voltage. The control circuit opens the plurality of switching devices substantially in synchronization with each other, where a voltage inputted to the first terminal is outputted from the second terminal by short-circuiting between the first terminal and the second terminal. | 03-04-2010 |
| 20100079007 | REMOTELY CONFIGURABLE ANALOG/DIGITAL INPUT CIRCUIT AND RELATED APPARATUS AND METHOD - An apparatus includes first and second input terminals configured to be coupled to one of multiple types of input sources. The apparatus also includes a diode and a resistor coupled in series between the first and second input terminals. The apparatus further includes a plurality of switches each coupled to at least one of the diode and the resistor. The switches are configured to be opened and closed to reconfigure the apparatus depending on the type of input source. The switches could include a first switch coupled to the first input terminal, a current source, and a first side of the diode. The switches could also include a second switch coupled to the current source, a second side of the diode, and a first side of the resistor. In addition, the switches could include a third switch coupled to the second input terminal and a second side of the resistor. | 04-01-2010 |
| 20100090540 | VOLTAGE SENSING DEVICE - A voltage sensing device with which high-precision voltage sensing is possible without the need to obtain a unique correction constant for each device. A pair of voltage input nodes NCk and NCk- | 04-15-2010 |
| 20100090541 | SWITCHING CONTROL CIRCUIT - It is possible to reliably prevent two switching elements comprising a half-bridge circuit from turning ON simultaneously even when two pulse signals allowing both the two switching elements to turn ON are input thereto. | 04-15-2010 |
| 20100109446 | Semiconductor circuit device and data processing system - Occurrence of power supply noise arising in connection with a step-down action at the time of turning on power supply is to be restrained. A step-down unit is provided with a switched capacitor type step-down circuit and a series regulator type step-down circuit, and stepped-down voltage output terminals of the step-down circuits are connected in common. The common connection of the stepped-down voltage output terminals of both step-down circuits makes possible parallel driving of both, selective driving of either or consecutive driving of the two. In the consecutive driving, even if the switched capacitor type step-down circuit is driven after driving the series regulator type step-down circuit first to supply a stepped-down voltage to loads, the switched capacitor type step-down circuit will need only to be compensated for a discharge due to the loads, and a peak of a charge current for capacitors can be kept low. When operation of the switched capacitor type step-down circuit is started, no large rush current arises, and occurrence of noise is restrained. | 05-06-2010 |
| 20100164299 | Remote Controllable Power Outlet Apparatus with Grouping Capability and Remote Control Grouping Method Thereof - A remote controllable power outlet apparatus with grouping capability and a remote control grouping method thereof, includes a microprocessor, a communication module, a power protection and control module, a grouping unit, at least a controllable socket set, a switch, and an original remote control which belongs and corresponds to the remote controllable power outlet apparatus. Therein the switch is coupled between the microprocessor, the power protection and control module, and the controllable socket set, and the switch is for controlling whether or not the controllable socket set provides power. When the original remote control is plugged into the grouping unit, the remote controllable power outlet apparatus then activates a remote control grouping function, and the remote controllable power outlet apparatus can be controlled by another remote control other then the original remote control. | 07-01-2010 |
| 20100187915 | Power Over Ethernet Power Sourcing Equipment Architecture for Variable Maximum Power Delivery - A power over Ethernet (PoE) power sourcing equipment (PSE) architecture for variable maximum power delivery. PoE PSE subsystems rely on some control to “turn on” a power field effect transistor (FET), which allows current to be transmitted to a powered device (PD). A hybrid approach is provided where an internal FET can be augmented with an external FET to provide an architecture that can be flexibly applied to applications with various space, cost and cooling limitations. The maximum delivered power can also be boosted with the addition of an external FET to the internal FET. | 07-29-2010 |
| 20100213772 | SUPERCONDUCTING SWITCH OPERATION - A method of operating a superconducting switch system to protect against quenching in a superconducting magnet circuit is provided. The system comprises a magnet circuit, a main superconducting switch and an auxiliary superconducting switch connected in parallel thereto by low resistance connecting parts. In an initial magnet energisation procedure, after establishing superconducting flow in the circuit, the main and auxiliary switches are closed to cause current to persist in the circuit without further power input. If the main switch quenches, the current will transfer to the auxiliary switch through the resistive connecting parts. Upon restoring the main switch to the superconducting state, the voltage drop through the resistive connecting parts will drive the current back through the main switch. A preconditioning procedure is carried out as part of the magnet energisation procedure to ensure that opening the main switch will establish superconducting current through the auxiliary switch. | 08-26-2010 |
| 20100270869 | Voltage supply interface with current sensitivity and reduced series resistance - A voltage supply interface provides both coarse and fine current control with reduced series resistance. The voltage supply interface has a segmented switch having N component switches that are digitally controlled. The voltage supply interface replaces a conventional sense resistor with a calibration circuit that has a replica switch that is a replica of the N component switches. The calibration circuit includes a reference current I | 10-28-2010 |
| 20100327662 | MICROCOMPUTER SYSTEM - It is an object of the present invention to provide a technology that a microcomputer is capable of detecting the states of a large number of switches with a small number of ports. In a microcomputer system according to the present invention, any one of (2 | 12-30-2010 |
| 20110018362 | Method and Device For Operating A Circuit Arrangement - A current measurement apparatus includes first and second switches connected in parallel and operating in different current ranges, coupled to a processor which measures current and a controller which activates one or the other switch depending on the measured current. | 01-27-2011 |
| 20110018363 | CURRENT TRANSFORMER ASSEMBLY FOR ELECTROMECHANICAL SWITCHING DEVICE - A current transformer assembly includes input connections, output connections, current transformers placed between the input connections and the output connections, with at least one transformer output being electrically connected to the transformers. In at least one embodiment, the current transformer assembly includes an integrated wiring arrangement wherein a plurality of input connections is electrically connected to a plurality of output connections by way of the integrated wiring arrangement such that the wiring arrangement functions as an alternating wiring system. | 01-27-2011 |
| 20110057519 | SWITCH CIRCUIT - The present invention is a switch circuit equipped with a first switch connected between another end of an inductive load having a one end connected to a one end of a DC power supply and another end of the DC power supply, a capacitor connected between the another end of the inductive load and the another end of the DC power supply and connected in parallel with the first switch, a second switch that connects the another end of the inductive load and the capacitor, a third switch that connects a one end of the capacitor on an inductive load side to the one end of the inductive load so as to be parallel to the second switch, and a control circuit that turns ON the second switch before the first switch is turned OFF and turns OFF the second switch before the first switch is turned ON after being turned OFF. | 03-10-2011 |
| 20110068636 | SYSTEMS AND METHODS FOR A SPDT SWITCH OR SPMT SWITCH WITH TRANSFORMER - A SPDT or SPMT switch may include a transformer having a primary winding and a secondary winding, where a first end of the secondary winding is connected to a single pole port, where a first end of the primary winding is connected to a first throw port; a first switch having a first end and a second end, where the first end is connected to ground; and a second switch, where a second end of the secondary winding is connected to both a second end of the first switch and a first end of the second switch, where a second end of the second switch is connected to a second throw port, where the first switch controls a first communication path between the single pole port and the first throw port, and where the second switch controls a second communication path between the second throw port and the single pole port. | 03-24-2011 |
| 20110074223 | Variable Timing Switching System and Method - A low-EMI switched circuit comprises two or more switches, wherein impedance transitions of the switches are overlapped and the overlap is varied using variable switch timing based on an output power level of the switched circuit. The variable timing results in a variable impedance overlap between the switches. In one example, when one switch turns off (begins a low to high impedance transition) and a second switch turns on (begins a high to low impedance transition), a greater timing delay in beginning the second switch's transition results in a higher switch impedance overlap than a shorter delay does. If the variable timing is based on output power of the switched circuit, the variable delay can operate to reduce fly-back voltages at high power output levels and reduce shoot-through current at lower power levels, reducing EMI and quiescent current of the switched circuit. | 03-31-2011 |
| 20110074224 | METHOD AND APPARATUS FOR OPERATING AN ELECTRICAL APPLIANCE - In a method for operating an electrical appliance such as a hob, the electrical appliance has a plurality of functional units, an operator control surface and a freely movable operator control element for mounting on the operator control surface, with a mounting point for the operator control element provided on the operator control surface for each functional unit. A sensor for a touch switch and a sensor for identifying the rotation of the operator control element are provided on the mounting point. The mounting of an operator control element on the mounting point is identified and evaluated as an activation indication of the associated functional unit. Subsequent rotation of the operator control element is identified and effects a change in the functional unit, with a functional state of the corresponding functional unit being maintained after the operator control element is removed from the mounting point. | 03-31-2011 |
| 20110115305 | ELECTRICAL POWER-SAVING CONTROL APPARATUS, POWER SUPPLY INCLUDING THAT APPARATUS AND POWER-SAVING METHOD THEREOF - A power-saving control apparatus for reducing power consumption of a power supply is provided. The present invention includes a switching circuit and a rectifier circuit. The rectifier circuit rectifies an AC signal to a DC signal. The switching circuit controls either the AC signal or the DC signal as an input signal to an EMI filter of the power supply. Therefore, when the EMI filter receives the DC signal, the present invention achieves the effect of power-saving of the power supply. | 05-19-2011 |
| 20110127852 | Circuit Breaker Control - A method of circuit breaker control includes determining if a trip event for a circuit breaker has occurred, determining a set of redundancy parameters for the circuit breaker, and transmitting a trip signal and a shunt trip signal to the circuit breaker based on the set of redundancy parameters. | 06-02-2011 |
| 20110148222 | METHOD FOR DETERMINING A SWITCHING TIME OF AN ELECTRICAL SWITCHING DEVICE - A method determines a switching time of an electric switching device containing an interrupter path disposed between a first line section subjected to a driving voltage and a second line section that forms an oscillating circuit after the switching device undergoes a shut-off step. The method is used for determining the best possible switching time for an electrical switching device to minimize transient voltage surges. It is proposed that either—a temporal progression of a voltage that develops along the interrupter path is determined during a scanning period; or that—a temporal progression of a voltage that develops along the interrupter path is determined during the scanning time. | 06-23-2011 |
| 20110156495 | SWITCHING METHOD AND APPARATUS - A switch circuit and method for converting a hard switch into a soft switch. In one example, the circuit includes a first switch having a first node and a second node, and a switch control circuit coupled in parallel with the first switch between the first and second nodes. The switch control circuit includes a series resonant circuit including a capacitor and an inductor coupled together in series, a second switch coupled in parallel with the series resonant circuit, a third switch coupled in series between the first node and the series resonant circuit, and a first diode coupled between the series resonant circuit and the second node, an negative terminal of the first diode being coupled to the second node. | 06-30-2011 |
| 20110187202 | MULTIPLEXER AND MULTIPLEXING METHOD FOR USE WITH THE SAME - A multiplexer includes: a first switch unit coupled between a first input terminal and an output terminal and including a series connection of first and second switches ; a second switch unit coupled between a second input terminal and the output terminal; and a third switch unit coupled to a third input terminal and a common node between the first and second switches. Different first and second voltages, and a third voltage greater than one of the first and second voltages and less than the other one of the first and second voltage are applied respectively to the first, second and third input terminals. The multiplexer is operable between a first mode, where the first voltage is transmitted to the output terminal, and a second mode, where the second voltage is transmitted to the output terminal and the third voltage is transmitted to the common node between the first and second switches. | 08-04-2011 |
| 20110234017 | DOMESTIC APPLIANCE HAVING AUTOMATIC SWITCH-OFF - A method and apparatus for autonomously switching off a domestic appliance after completion of a previously selected program is disclosed. The domestic appliance has a control device that executes programs controlling the domestic appliance and an operating unit. The domestic appliance is connected to electrical energy from a power source through circuit arrangement comprising a terminal connection and first and second switches. The first electrical switch is separate from the second switch and can be switched from an open state to a closed state in which the switch is electrically conductive to connect the control device to the electrical energy. The control device is designed to switch the second switch from an open state to a closed state in which the control device is connected to electrical energy through the second switch as soon as the first switch is switched to the closed switching state. | 09-29-2011 |
| 20110260553 | APPLIANCE HAVING USER DETECTION FUNCTIONALITY FOR CONTROLLING OPERATION THEREOF - An apparatus is provided that includes first, second and third switches, the first and second of which are in line between an appliance and terminals of the appliance that are connectable to a power source. The first switched is configured to open and close based on closing and opening of a door of the appliance, and the second switch is configured to open and close based on the mode of the appliance. Thus, the appliance may be connected to the power source when the first switch or the second switch is closed, and disconnected from the power source when both the first switch and the second switch are open. The third switch, which includes a sensor, is configured to control the second switch to close upon actuation in response to a detection proximate the appliance, where actuation of the third switch may cause the appliance to enter an operational mode. | 10-27-2011 |
| 20110278953 | CONTROL METHOD FOR SOFT SWITCH CIRCUIT IN SWITCH POWER SOURCE - The present invention discloses a control method for a soft switch circuit in a switch power source, which generates an alternating primary power filter current by controlling first and second primary power switching devices to be closed and opened, and generates an intermittent alternating resonant current in the same direction as the primary power filter current in a resonant branch by controlling forward and backward auxiliary switching devices to be closed and opened to thereby achieve closing of the first and second primary power switching devices at a zero voltage, and which generates a balance current with the same magnitude as and in the opposite direction to the resonant current in the resonant branch in at least a period of time during the resting of the resonant current by further controlling the forward and backward auxiliary switching devices to be closed and opened to thereby achieve an average current of zero across the resonant branch in a switching cycle. Without any additional balance circuit, this control method can address the imbalance problem of output power of the positive and negative direct current input voltage sources in a soft switch circuit of an existing switch power source. | 11-17-2011 |
| 20120007444 | HIGH VOLTAGE SWITCHGEAR POWER SUPPLY ARRANGEMENT FOR A WIND TURBINE FACILITY - The present invention relates to a wind turbine facility power supplying arrangement for supplying electrical power to at least a switchgear being able to isolate the wind turbine facility from an electrical network, the wind turbine facility power supplying arrangement comprising a first electrical power supply path able to be provide electrical power to the switchgear and a first power switch able to break said first electrical supply path and able to be controlled for opening and closing. The wind turbine facility power supplying arrangement contains at least another parallel electrical power supply path able to provide electrical power to the switchgear, said parallel electrical supply path been breakable with at least another respective parallel power switch, said parallel power switch being controllable for opening and closing. | 01-12-2012 |
| 20120013200 | CONTACT PROTECTION CIRCUIT AND HIGH VOLTAGE RELAY COMPRISING THE SAME - The invention provides a switching device having a contact protection circuit for arcing suppression. The switching device comprises a main relay for interrupting a load path and a dual coil auxiliary having a high resistance coil and a low resistance coil that operate the switching of an auxiliary contact. The auxiliary contact is connected in series with a PTC device and the low resistance coil of the auxiliary relay in a series arrangement. The series arrangement is connected in parallel to the main contact. When the main relay opens, the auxiliary contact is maintained closed during a given time interval due to the magnetic flux generated by the low resistance coil. The given time interval depends on the transition of the PTC device to trip state. In another configuration, the dual coil relay is substituted by two auxiliary relays. | 01-19-2012 |
| 20120056489 | Method and Apparatus for Switching the Main/Standby Single Board - The present invention discloses a method and apparatus for switching an active board and a standby board, and the active board and the standby board respectively are one of the first working state board and the second working state board. The method disclosed in present invention includes: switching a first type function module on said first working state board into a second working state; switching the first type function module on said second working state board into said first working state; switching a second type function module on said second working state board into said first working state; and switching the second type function module on said first working state board into said second working state. | 03-08-2012 |
| 20120068555 | System and Method For Controlling A M2LC System - A modular multilevel converter system. The system includes a plurality of series connected two-terminal M2LC subsystems and a control system module. The two-terminal M2LC subsystems are arranged into at least two output phase modules. A first one of the output phase modules defines a total value of inductance and includes a positive arm and a negative arm. The control system module is configured to apply selectively reassigned modulated switch functions to only one of the following at a given instance of time: the two-terminal M2LC subsystems of the positive arm of the first one of the output phase modules or the two-terminal M2LC subsystems of the negative arm of the first one of the output phase modules. The selective reassigning of the modulated switch functions forces charge balance of the individual capacitors of the series connected two-terminal M2LC subsystems at a predetermined rate. | 03-22-2012 |
| 20120091822 | Method For A Power Distribution System Comprising Two Selectively Tripping Switches - In at least one embodiment, a method includes setting a dedicated current limit value for the upstream switch; opening the upstream switch each time a current limit value thereof exceeds the set dedicated current limit for a set time; connecting the two switches to one another in terms of signaling; and signaling the upstream switch, via the downstream switch, each time the downstream switch is going to interrupt the current, at least one of the current limit value being increased and the set time of the upstream switch being extended each time the downstream switch signals that it is going to interrupt the current. | 04-19-2012 |
| 20120098353 | SEMICONDUCTOR INTEGRATED CIRCUIT - An adjustment circuit including tri-state circuits is provided between a transmitter circuit and a receiver circuit. Jitter generated by transmission of a signal over a long-distance interconnect is reduced by being converted into jitter of control signals generated by a pulse generator circuit in the tri-state circuits. | 04-26-2012 |
| 20120112559 | Method And Arrangement To Control An AC System - An arrangement to control an electrical property of a medium or high voltage AC system including a number n of phases with n being at least two includes a number n of phases, each phase including a series connection of at least two electrical elements with an intermediate connection point between each pair of the at least two electrical elements, where each of the n phases of the arrangement is connected on one side to an original common neutral point and on the other side to one of the n phases of the AC system. The arrangement further includes a number of first switchable interconnections, where the first switchable interconnections are each arranged between two intermediate connection points of two of the n phases of the arrangement, and at least one control unit arranged to control the first switchable interconnections. | 05-10-2012 |
| 20120126632 | MULTIPLE POWER SUPPLY DEVICE - A multiple power supply device including a power consuming unit, a plurality of power supply units, and a plurality of switching units is provided. The power consuming unit receives a plurality of power good signals, and outputs a plurality of power control signals accordingly. The power supply units output a plurality of working voltages respectively, and meanwhile output the power good signals. When the power consuming unit is in a working state and one of the power good signals is enabled, the power consuming unit enables the corresponding power control signal. When the power consuming unit is in a working state and a part of the power good signals are enabled, the power consuming unit enables one of the power control signals corresponding to the enabled power good signals. The switching units transmit the corresponding working voltage to the power consuming unit according to the enabled power control signal. | 05-24-2012 |
| 20120126633 | Power supply switch circuit - A power supply switch circuit according to an aspect of the present invention includes a first switch element that is connected between a first power supply line and a second power supply line and switches connection and disconnection between the first power supply line and the second power supply line according to a first enable signal; a second switch element that is connected between the first power supply line and the second power supply line and switches connection and disconnection between the first power supply line and the second power supply line; and a switch control circuit that includes at least one logic gate supplied with power from the second power supply line and controls the second switch element. The switch control circuit controls the second switch element based on a second enable signal supplied to the switch control circuit and on a voltage of the second power supply line. | 05-24-2012 |
| 20120133217 | Control System for an Electrical Apparatus and Method of Using the Same - A control system is disclosed which comprises a first control module generally integrated into a controlling device (e.g. a thermostat), and a second control module generally integrated into an electrical apparatus (e.g. a heating apparatus) under the control of the controlling device. The second control module is responsive to command signals remotely transmitted thereto by the first control module over the power lines which power the electrical apparatus. In response to the signals, the second control module can selectively turn on, or off, or modulate, some or all of the electrical components (e.g. heating elements, fans) of the electrical apparatus. | 05-31-2012 |
| 20120139363 | RECONFIGURABLE RF SWITCH DIE - A radio frequency (RF) switch die which includes an antenna port, a plurality of RF ports, a switch fabric for selectively coupling one or more of the RF ports to the antenna port, and control circuitry that is adapted to, in a first mode, direct the switch fabric to couple any one of the plurality of RF ports individually to the antenna port, and in a second mode, couple a selected group of the RF ports to the antenna port. The RF switch die may include M number of RF ports, and be relatively easily reconfigured to provide N number of RF ports, wherein N is less than M. Groups of RF ports may be coupled together to form coupled RF ports that offer different electrical characteristics than non-coupled RF ports. | 06-07-2012 |
| 20120248894 | MICROCOMPUTER SYSTEM - It is an object of the present invention to provide a technology that a microcomputer is capable of detecting the states of a large number of switches with a small number of ports. In a microcomputer system according to the present invention, any one of (2 | 10-04-2012 |
| 20120267965 | Power Control Device and Electronic Device Using the Same - A power control device for an electronic device includes a power switching unit for switching to output a dc power source to a load of the electronic device according to a power switching signal, a switching detection unit for responding a power switching status to generate a switching detection signal, a status latch module for generating the power switching signal according to the switching detection signal, a first status signal and a second status signal, and a logic unit for generating the first status signal and the second status signal for the status latch module according to the power switching signal, such that the status latch module latches the first status signal and the second status signal. | 10-25-2012 |
| 20120286588 | MEMS SWITCHING CIRCUIT - A switching circuit employs MEMS devices. In connection with various example embodiments, signal switching circuit couples primary and secondary data link connectors having at least two channels and an electrode for each channel. A MEMS switch is coupled to each channel in of the secondary data link connectors, and includes a suspended membrane, first and second contact electrodes (one being in the membrane) and a biasing circuit that biases the membrane for moving the membrane between open and closed positions to contact the electrodes. A switch controller circuit selectively controls the application of an actuation voltage to each of the biasing circuits, thereby selectively actuating the membranes between the open and closed positions for routing signals between the primary and secondary data link connectors. | 11-15-2012 |
| 20120286589 | CIRCUIT AND METHOD FOR INTERRUPTING A CURRENT FLOW IN A DC CURRENT PATH - A DC current path for DC power transmission includes a switchable element. An inductance is connected in series to the switchable element. When an interrupt scenario is detected, a resonance circuit is connected in parallel to the series connection of the switchable element and the inductance for charging a capacitance of the resonance circuit. An open state of the switchable element is effected and the resonance circuit is connected in parallel to the switchable element. By means of such arrangement and method, favorable fast interrupt times can be achieved. | 11-15-2012 |
| 20120313454 | POWER CONTROL DEVICE - A power control device is disclosed which controls power shutdown and restart on an electrical power line. The power control device includes a first switch which couples and decouples a power input line to a first power output line in response to the switch being either closed or open, respectively. A power detection device detects whether the power input line is in the energized or non-energized state. When the power detection device detects that the power input line has transitioned from a non-energized state to an energized state, the power detection device sends a power restart indicator to a first timer. The first timer closes the first switch a first predetermined amount of time after receiving the power restart indicator In some embodiments a second switch, and second timer are included, where the second timer closes the second switch a second predetermined amount of time after receiving the power restart indicator. | 12-13-2012 |
| 20130099594 | Control Device of Power Supply Circuit - An ECU executes a program including a step of turning on an SMRP and an A-SMRP if an ignition switch is turned on; a step of detecting voltage values VB(1)and VB(2) of running batteries when VH is detected and if VH is higher than | 04-25-2013 |
| 20130099595 | Control Device of Power Supply Circuit - An ECU executes a program including a step of turning on an SM and an A-SMRP if an ignition switch is turned on a step of detecting voltage values VB(1)and VB(2) of running batteries when VH is detected and if VH is higher than 180 V; a step of detecting that SMRP connected to the running battery is welded, if VB(1) is higher than 150 V; and a step of detecting that A-SMRB connected to the running battery is welded, if VB(2) is higher than 150 V. | 04-25-2013 |
| 20130099596 | Control Device of Power Supply Circuit - An ECU executes a program including a step of turning on an SMRP and an A-SMRP if an ignition switch is turned on; a step of detecting voltage values VB( | 04-25-2013 |
| 20130162052 | PROTECTIVE CIRCUIT FOR A RECHARGEABLE BATTERY PACK - A protective circuit for an arrangement which includes a plurality of individual cells in a rechargeable battery pack with a predefined number of individual cells being connected in series in a cell row and at least two cell rows being situated parallel to one another. The component current flowing in a first cell row when the rechargeable battery pack is subject to loading is compared with the component current flowing in a second cell row to generate a signal when there is an implausible deviation in the component currents with respect to one smother. The signal is used to disconnect a defective cell row or to switch off the entire rechargeable battery pack in order to protect the latter. | 06-27-2013 |
| 20130169065 | Operating Element for a Furniture Control and Electrically Adjustable Piece of Furniture - In an operating element for a furniture control for controlling an electrically adjustable piece of furniture, the operating element includes a flat sensor module with a plurality of proximity-sensitive sensor surfaces arranged on the sensor module. An operating panel covers the plurality of sensor surfaces. A set of switching surfaces is marked on the operating panel. A control module is designed for detecting an actuation of one of the switching surfaces based on sensor signals delivered by the sensor surfaces and for generating an actuation signal for the furniture control based on a detected actuation. The sensor module and the control module are arranged in a housing of the operating element, wherein the operating panel forms a cover of the housing. | 07-04-2013 |
| 20130207484 | POWER SUPPLY CONTROL APPARATUS AND METHOD FOR CONTROLLING THE SAME - A power supply control apparatus comprises a receiving unit configured to receive data sent from an external device via a network, a control unit configured to process the data received by the receiving unit, a switching unit configured to switch between supply and disconnection of power from a first power supply unit to the receiving unit and to the control unit, and a mechanical switch configured to switch between supply and disconnection of power from a second power supply unit to the control unit. If the apparatus receives data from the external device in a power state in which power is supplied from the first power supply unit to the receiving unit and power to the control unit is stopped, the apparatus controls to supply power from the first power supply unit to the control unit without turning on the mechanical switch. | 08-15-2013 |
| 20130229068 | HIGH RELIABILITY, HIGH VOLTAGE SWITCH - A high reliability, high voltage electronically controllable switch is created from a combination of relays of different types, with different characteristics, such as an electromechanical relay and an optoelectronic relay. The relays are closed and/or opened in accordance with a sequence that avoids actuating an electromechanical relay of such a compound switch to close or open under conditions that degrade the operating life of the electromechanical relay, even if the compound switch is hot switched under high voltage conditions. The switching sequence ends with the relays in a state that provides low on resistance, low crosstalk, low capacitance and/or low leakage. The switch can be relatively compact, enabling construction of an instrument serving as a switch matrix for an automatic test system. | 09-05-2013 |
| 20130257177 | ADAPTIVE GATE DRIVE CONTROL METHOD AND CIRCUIT FOR COMPOSITE POWER SWITCH - Provided is a method of controlling a hybrid switch comprising a first individually controllable semiconductor switch operably coupled in parallel to a second individually controllable semiconductor switch. The first semiconductor switch has a faster switching speed and lower power-processing capability than the second semiconductor switch. A first reference value V | 10-03-2013 |
| 20130300213 | IDENTIFICATION CIRCUIT - An identification circuit is connected between a universal serial bus (USB) interface, and each of a controller and a power management unit (PMU). The identification circuit includes first to fourth electronic switches. When a power adapter is connected to the USB interface, the negative data pin of the USB interface is floating. The first and fourth electronic switches are turned off. The second and third electronic switches are turned on. Power from the power adapter is transmitted to the second power pin of the PMU. When the USB interface is connected to a computer, the negative data pin of the USB interface outputs a low level signal. The first and fourth electronic switches are turned on. The second and third electronic switches are turned off. Power from the computer is transmitted to an electronic device with the USB interface. | 11-14-2013 |
| 20130313914 | CONTROL CIRCUIT FOR UNIVERSAL SERIAL BUS CONNECTOR - A control circuit for a USB connector includes a first electronic switch. Before a universal serial bus (USB) device is plugged into the USB connector, a ground pin of the USB connector is idle. A control terminal of the first electronic switch receives a high level signal and first and second terminals of the first electronic switch are disconnected. When the USB device is plugged into the USB connector, the ground pin of the USB connector is grounded. The control terminal of the first electronic switch then receives a low level signal and the first and second terminals of the first electronic switch are connected. A power supply connected to the first terminal of the first electronic switch supplies power to the power pin of the USB connector through the first electronic switch. | 11-28-2013 |
| 20130313915 | RELAY UNIT AND PRODUCING METHOD THEREOF - A relay unit electrically opens and closes between a power supply and a power-consuming device. The relay unit includes electronic components in a housing including a case and a cover, the electronic components including a resistor, a first relay connected in series with the resistor, and a second relay, the second relay connecting the power supply and the power-consuming device through an external connection terminal and being connected in parallel with the resistor and the first relay. | 11-28-2013 |
| 20130328414 | Circuit and a method for selecting a power supply - A circuit is provided, the circuit including: a first power supply terminal connected to a first p-type metal oxide semiconductor transistor; a second power supply terminal connected to a second p-type metal oxide semiconductor transistor; an output node connected between the first p-type metal oxide semiconductor transistor and second p-type metal oxide semiconductor transistor; and a decision circuit connected to the first power supply terminal and the second power supply terminal, wherein the decision circuit is powered by the output node and wherein gate terminals of the first p-type metal oxide semiconductor transistor and second p-type metal oxide semiconductor transistor are complementarily and actively controlled by the decision circuit. | 12-12-2013 |
| 20140001884 | TRANSMISSION APPARATUS AND TRANSMISSION METHOD | 01-02-2014 |
| 20140021800 | APPARATUS AND METHOD OF CONTROLLING SWITCH UNITS, AND BATTERY PACK AND BATTERY MANAGEMENT APPARATUS COMPRISING SAID APPARATUS - Disclosed are an apparatus and method of controlling switch units between a battery pack and a load, and a battery pack and a battery management system comprising the same. The apparatus comprises a memory for storing the turn-off number and order of first and second switch units connecting the battery pack with the load according to current ranges; and a control unit for equalizing the turn-off order of the first switch unit and the second switch unit with reference to the turn-off number and order in a current range corresponding to a magnitude level of discharge current of a battery. Accordingly, the present invention reduces the frequency of breakdown or malfunction of the switch units and increases the using period of the switch units. | 01-23-2014 |
| 20140042826 | POWER ADAPTOR SYSTEM - A power adaptor system including a system side and a power adaptor side is provided. The system side includes a first connector, a system circuit, a storage capacitor, and a first microcontroller. The storage capacitor is charged by an initial voltage received via the first connector. The first microcontroller outputs a system side setting after the storage capacitor is completely charged. The power adaptor side includes a second connector, a power adaptor circuit, and a second microcontroller. The second connector is for electrically connecting to the first connector. The second microcontroller receives the system side setting via the second connector, and controls the power adaptor circuit to output an operating voltage required by the system circuit according to the system side setting. | 02-13-2014 |
| 20140070628 | NETWORK POWER MANAGEMENT SYSTEM - A power management device can include a housing, a power input associated with the housing, and a plurality of power outputs associated with the housing. At least certain power outputs can be connectable to one or more electrical loads external to the housing and to the power input. In some embodiments, a communications bus and one or more power control sections can be associated with the housing. In some embodiments, one or more power control sections can communicate with the communications bus and with one or more corresponding power outputs among the plurality of power outputs. In some embodiments, a power information display can communicate with the communications bus. If desired, a power information determining section can be associated with the housing and in communication with the communications bus. The power information determining section may communicate power-related information to the power information display. | 03-13-2014 |
| 20140097702 | METHOD AND CIRCUIT FOR REDUCING CURRENT SURGE - Systems and methods are provided for reducing surge current in power gated designs. In one aspect, a storage capacitor supplies a portion of the current used to power up a circuit. The storage capacitor may be charged from a power supply or other source. When the circuit is to be powered up, the circuit is connected to the power supply and the storage capacitor. As a result, current is supplied to the circuit from the power supply and the storage capacitor to power up the circuit. Because a portion of the current used to power up the circuit is supplied from the storage capacitor, the amount of current needed from the power supply to power up the circuit can be reduced, thereby reducing current surge through the power supply. The storage capacitor may be shared by multiple circuits. | 04-10-2014 |
| 20140111026 | Photovoltaic Energy Generation Device - Photovoltaic energy generation device comprising several cells ( | 04-24-2014 |
| 20140117777 | ELECTRONIC WIRE BRIDGE WITH SAFETY CIRCUIT - An electronic bridge system includes a first interface to couple to an electrical or electro-mechanical installation to receive system information from the installation, and a second interface to couple to a second component of the installation, wherein the second component is to be bypassed or interrupted by the bridge system. Further, the system includes a bridge circuit coupled to the second interface and having a control port, and a safety circuit coupled to the first interface and having an output coupled to the control port. The bridge circuit is configured to cause bypassing or interrupting the second component upon activation, and the safety circuit is configured to output one of an enable signal and a disable signal as a function of the system information, wherein the enable signal activates the bridge circuit. | 05-01-2014 |
| 20140125149 | BRAKE DRIVE CONTROLLING DEVICE FOR PROMPTLY SWITCHING STATE OF BRAKE FROM RELEASED STATE TO FASTENED STATE - A diode includes an anode connected to the other ends of brake coils, and a cathode connected to one end of a smoothing capacitor. A diode includes an anode connected to the other end of the smoothing capacitor, and a cathode connected to one ends of the brake coils. By providing the diodes, energy stored in the brake coils, when at least one of an NPN type transistor and an NPN type transistor is in an on-state, is returned to the smoothing capacitor when the NPN type transistors are in an off-states. | 05-08-2014 |
| 20140145520 | CIRCUIT ARRANGEMENT HAVING A SEMICONDUCTOR SWITCH AND AN ASSOCIATED ACTUATION CIRCUIT - A circuit arrangement has a series circuit which includes at least two semiconductor switches, of which each is connected to a respective actuation circuit via its control input. In the case of at least one of the actuation circuits, the switching behaviour thereof can be defined by at least one digital switching parameter. The value of the switching parameter can be varied, and therefore the switching behaviour can be adjusted during operation, that is to say between two switching processes. | 05-29-2014 |
| 20140167527 | Method and Device for Management of an Electrical Power-Up of a Sector of an Electronic Circuit - A chain of switches is connected between a first power supply line coupled to a first voltage and a second power supply line coupled to the sector. These switches are controllable by a control signal. The control signal is propagated from a first end of the first chain towards a second end of the first chain without control of the switches during this first propagation. The control signal is then propagated in the reverse direction from the second end towards the first end with a control of the switches during this second propagation starting from a group of at least one switch situated at the second end. There is a detection of the arrival of the control signal at the first end of the chain at the end of its propagation in the reverse direction. | 06-19-2014 |
| 20140175902 | DISCHARGE CIRCUIT FOR POWER SUPPLY UNIT - A discharge circuit for a power supply unit includes a pulse width modulator (PWM) chip, a first and second electronic switch, and a resistor. The first electronic switch receives a power good signal from the power supply unit. When a system power terminal outputs a voltage later than a stand-by power terminal, a voltage creep outputted by the PWM chip is discharged through the resistor and the second electronic switch. | 06-26-2014 |
| 20140175903 | DISCHARGE CIRCUIT FOR POWER SUPPLY UNIT - A discharge circuit includes a pulse width modulator (PWM) chip, a first and second electronic switch, and a resistor. The first electronic switch receives a voltage creep from the PWM chip. When the voltage creep is less than a voltage making the first electronic switch to turned on, the voltage creep is discharged through the resistor and the second electronic switch. | 06-26-2014 |
| 20140246925 | Power Grid Load Monitor and Shed Control - A line frequency monitoring and load shedding control apparatus is placed in or closely coupled to a power load and monitors the line frequency of the alternating current electric power source supplying the power load. When a decrease in line frequency is detected, this line frequency monitoring and load shedding control apparatus may interrupt certain portions of the power load, thereby allowing the power source frequency to stabilize. Subsequently, the line frequency monitoring and load shedding control apparatus makes a determination to return operation of the load that was shed to a normal state of operation as the power line frequency recovers to a normal operating frequency. Fixed time delays, e.g., adjustable, programmable, etc., and/or pseudo random time delays may be incorporated to sequentially reconnect the loads back onto the power source, thereby preventing the loads previously shed from being reconnected all at the same time. | 09-04-2014 |
| 20140292105 | STATIC SWITCH CIRCUIT FOR HIGH RELIABILITY UNINTERRUPTIBLE POWER SUPPLY SYSTEMS - A static transfer switch circuit for high reliability uninterruptible power supply system comprises a first switch unit which includes at least two switch sets connected in parallel and at least one second switch unit. Each of the switch sets has two controllable semiconductor switch elements connected in parallel reversely. The first switch unit includes one end connected to a bypass power source and another end connected to a load end. The second switch unit includes at least two switch sets or electromagnetic switches connected in series, and has one end connected to an output end of an uninterruptible power supply system main unit and another end connected to the load end. The static transfer switch circuit thus formed is simpler in structure and can enhance the reliability of static transfer switches used on a single machine or multi-machine uninterruptible power supply system. | 10-02-2014 |
| 20140300209 | SINGLE-CHANNEL SAFETY OUTPUT - A safety switching device for fail-safely switching on and off an electrical load, and to a system comprising at least two safety switching devices which interact in a fail-safe manner via a single-channel. The safety switching device comprises a fail-safe control unit, a first and a second electronic switching element connected with a first and a second output terminal; and at least one input terminal for receiving a first switching signal that causes a switching of said switching elements. Said first and second switching elements each comprise an output which provides depending on the first switching signal an output signal having a first or second potential. A third output terminal connects said safety switching device to a second safety switching device, providing a clocked signal depending on the first switching signal and being monitored by said control unit for performing a cross fault detection. | 10-09-2014 |
| 20140312711 | GENSET WITH INTEGRATED RESISTIVE LOADBANK MANAGEMENT SYSTEM AND METHOD - An integrated resistive load bank management system ( | 10-23-2014 |
| 20140319929 | CURRENT ASSIGNMENT METHOD AND CORRESPONDING SWITCH ARRANGEMENT - A current assignment method and a switch arrangement are disclosed for assigning current, the switch arrangement including two series-connected switches, each including a trigger unit to check whether a preset current condition is satisfied. A signal is sent by the trigger unit of a switch which is postpositionally placed when the current condition is satisfied, the signal at least preventing the immediate triggering of a correspondingly prepositionally placed switch after being received by the corresponding trigger unit. To achieve a technically simple communication connection between switches, in at least one embodiment each trigger unit is formed so as to send but and receive the signal, and each trigger unit includes a measurement unit for measuring an energy flow direction in a subordinate switch and a conversion unit for converting from sending to receiving or from receiving to sending appropriately when the energy flow direction is reversed. | 10-30-2014 |
| 20140346892 | POLLING SYSTEM AND POLLING METHOD USING THE SAME - Disclosed herein is a polling system, including: a matrix element including individual elements including upper electrodes and lower electrodes, the individual elements being arrayed in plural, the upper electrodes of the individual elements being each connected in series to form upper electrode units which are arrayed in plural and the lower electrodes of the individual elements being each connected in series to form lower electrode units which are arrayed in plural; an upper switch connected to each of the upper electrode units which is arrayed in plural; a lower switch connected to each of the lower electrode units which is arrayed in plural; and a polling unit performing polling to apply voltage to the upper electrodes and the lower electrodes, respectively. | 11-27-2014 |
| 20140346893 | SWITCHING CONTROL SYSTEMS - We describe a system for controlling very large numbers of power semiconductor switching devices ( | 11-27-2014 |
| 20140354077 | ELECTRONIC DEVICE WITH KEYS AND VOLTAGE DETECTING METHOD THEREOF - An electronic device with a plurality of keys which correspond to a plurality of standard voltages respectively comprises a voltage generation module, a detection module, storage, an acquiring module, a comparison module, and an extraction module. The voltage generation module with an initial voltage decreases the initial voltage to the standard voltage corresponding to the pressed key. The detection module detects whether the current voltage of the voltage generation module is equal to the initial voltage. The storage stores the current voltage as a reference voltage when the current voltage is not equal to the initial voltage. The acquiring module acquires a current voltage of the voltage generation module after a predetermined time. The comparison module compares the acquired current voltage with the reference voltage. When the acquired current voltage is equal to the reference voltage, the extraction module executes an operation corresponding to the reference voltage. | 12-04-2014 |
| 20140354078 | MULTI-SWITCHING DEVICE AND MULTI-SWITCHING METHOD THEREOF - A multi-switching device and a multi-switching method thereof perform the following steps. A first control signal and a second control signal are received. Whether the first control signal and the second control signal are received is determined. When the first control signal and the second control signal are received, whether the first control signal and the second control signal specify any control requests is determined. When the first control signal and the second control signal respectively specify a control request, a control signal protection procedure is performed to control a first bus to communicate with one of second buses, and an error warning signal is outputted. When the first control signal and the second control signal do not respectively specify any control requests, a backup processing procedure is performed, and the error warning signal is outputted. | 12-04-2014 |
| 20140368058 | PHOTOVOLTAIC BYPASS AND OUTPUT SWITCHING - A PhotoVoltaic (PV) panel switching arrangement includes a first switch and a second switch, which in some embodiments are in a DC converter. The first switch is to be coupled between a power system and a first end of a circuit path of the PV panel, and the second switch is to be coupled between (i) a point between the first switch and the power system and (ii) a point between a second end of the circuit path and the power system. The switches are controlled for DC conversion of PV panel output where the circuit path of the PV panel is not to be bypassed, and to disconnect the first end of the circuit path from the power system and to close a bypass circuit path that bypasses the circuit path on a determination that the circuit path of the PV panel is to be bypassed. | 12-18-2014 |
| 20140375143 | POWER CONTROL DEVICE - A power control device includes a connector, a detecting module, a control module, a first output module, a second output module, a first switch module, and a second switch module. The detecting module measures a current and outputs different signals according to a comparison result between the current and a preset value. The first output module and the second output module are selectively used to supply power for the connector according to a value of the current. | 12-25-2014 |
| 20150008763 | ELECTRONIC TRANSMISSION ELEMENT - According to an embodiment, an electronic transmission element is provided that has a first input and a first output. The first input is coupled to the first output by means of two first, parallel-connected complementary switches. The first switches each have a control input. The electronic transmission element further has a second input and a second output. The second input is coupled to the second output by means of two second, parallel-connected complementary switches. The second switches each have a control input. The first output is coupled to the control inputs of the second switches and the second output is coupled to the control inputs of the first switches. | 01-08-2015 |
| 20150008764 | ELECTRONIC CIRCUIT ARRANGEMENT FOR USE IN AN EXPLOSIVE AREA - An electronic circuit arrangement for use in an explosive area may include an electrical signal line, which connects an electrical input connector to an electrical output connector, and an electrical earth line, which can be or is electrically connected to the electrical signal line by at least one electrical earthing line. An inductive component and a semiconductor switch may be arranged in the at least one earthing line. The semiconductor switch may be switched between a closed state, in which the signal line is electrically connected via the at least one earthing line to the earth line, and an open state, in which this electrical connection is interrupted. | 01-08-2015 |
| 20150028692 | SYSTEMS AND METHODS FOR REMOTE OR LOCAL SHUT-OFF OF A PHOTOVOLTAIC SYSTEM - Systems and methods for shut-down of a photovoltaic system. In one embodiment, a method implemented in a computer system includes: communicating, via a central controller, with a plurality of local management units (LMUs), each of the LMUs coupled to control a respective solar module; receiving, via the central controller, a shut-down signal from a user device (e.g., a hand-held device, a computer, or a wireless switch unit); and in response to receiving the shut-down signal, shutting down operation of the respective solar module for each of the LMUs. | 01-29-2015 |
| 20150035383 | Three-Lead Electronic Switch System Adapted to Replace a Mechanical Switch - This disclosure provides example methods, devices, and systems for a three-lead electronic switch system adapted to replace a mechanical switch. A device is disclosed that includes a sensor, a current limiting circuit, an output switching circuit comprising a first switching device and a second switching device, and a three lead interface circuit in communication with the output switching circuit and the current limiting circuit. The device includes an electronic switching circuit in communication with the sensor, the current limiting circuit, and the output switching circuit. The electronic switching circuit is configured to drive the first and second switching devices in complementary conduction states responsive to determining the output of the sensor relative to a threshold voltage. The output switching circuit includes a first terminal, a second terminal, and a return terminal that are configured to provide power to the electronic switching circuit while providing an indication of the conduction states. | 02-05-2015 |
| 20150042177 | Semiconductor Device, Electronic Circuit and Method for Switching High Voltages - Disclosed is a semiconductor device, an electronic circuit, and a method. The semiconductor device includes a semiconductor body; at least one transistor cell including a source region, a drift region, a body region separating the source region from the drift region, and a drain region in the semiconductor body, and a gate electrode dielectrically insulated from the body region by a gate dielectric; a source node connected to the source region and the body region; a contact node spaced apart from the body region and the drain region and electrically connected to the drain region; and a rectifier element formed between the contact node and the source node. | 02-12-2015 |
| 20150061408 | METHOD FOR OPERATING AN ELECTRICAL CIRCUIT AND ELECTRICAL CIRCUIT - A method for operating an electrical circuit including a modular switch with four power semiconductor components and one capacitor. With this method, either both the first and the second power semiconductor components are switched so as to be conducting, and both the third and the fourth power semiconductor components are controlled so as to be blocking, so that a current flows from the first connection across the first power semiconductor component, across the capacitor and across the second power semiconductor component to the second connection, or both the third and fourth power semiconductor components are switched so as to be conducting, and both the first and the second power semiconductor components are controlled so as to be blocking, so that the current flows in reverse direction from the second connection across the fourth power semiconductor component, across the capacitor and across the third power semiconductor component to the first connection. | 03-05-2015 |
| 20150061409 | Solar Photovoltaic Module Safety Shutdown System - A solar photovoltaic module safety shutdown system includes a module-on switch coupled with a first circuit having a photovoltaic module and a System-Monitor device. The System-Monitor device couples to the module-on switch through a second circuit and to the photovoltaic module and an AC main panelboard through the first circuit. A module-off switch operatively couples with the photovoltaic module and the module-on switch. The System-Monitor device supplies a System-on signal to the module-on switch through the second circuit. The module-on switch disables the photovoltaic module by shorting it or disconnecting it from the first circuit in response to the System-On signal not being received by the module-on switch from the System-Monitor device. The module-off switch disables the photovoltaic module by shorting it in response to the System-On signal not being received by the module-on switch when the photovoltaic module is irradiated with light. | 03-05-2015 |
| 20150076924 | SEMICONDUCTOR DEVICE - This technology provides a semiconductor device capable of controlling an equivalent series resistance (ESR) generated from decoupling capacitors. To this end, the semiconductor device may include a plurality of decoupling capacitors electrically coupled between a first wire and a second wire in parallel, and a plurality of switches coupled between common source/drain terminals of two adjacent decoupling capacitors of the plurality of decoupling capacitors and the second wire. | 03-19-2015 |
| 20150076925 | SWITCHING DEVICE - A switching device includes an operation lever capable of being turned in a first direction and in a second direction with respect to a neutral position, a first switch to detect a condition when the operation lever is moved to a first operation position, a second switch to detect a condition when the operation lever is moved to a second operation position symmetric to the first operation position, and a control unit to control a multistage function in a stepwise manner to switch operating states in a stepwise manner such that the condition of control of the multistage function is switched up in a stepwise manner based on a condition detected by the first switch and such that the condition of control of the multistage function is switched down in a stepwise manner based on a condition detected by the second switch. | 03-19-2015 |
| 20150115736 | BYPASSABLE BATTERY MODULES - A battery system may include a plurality of battery modules connected in series. A battery module of the plurality of battery modules may include a cell stack array, a first solid state switch and a second solid state switch arranged in a half bridge configuration and configured to operate in a complementary fashion, and a solid state driver connected to both gates of the first solid state switch and second solid state switch and configured to turn on and off the first solid state switch and the second solid state switch. Further, the cell stack array is configured to be active when the first solid state switch is on and the second solid state switch is off, and configured to be bypassed when the first solid state switch is off and the second solid state switch is on. | 04-30-2015 |
| 20150115737 | MATRIX FERRITE DRIVER CIRCUIT - A ferrite module matrix driver circuit comprises a controller, a charging circuit, a plurality of ferrite modules arranged in the form of a matrix, a plurality of first switches driven by the controller, a plurality of second switches driven by the controller, and one or more comparators coupled to the charging circuit and the controller. Each switch in the first plurality of switches connects a respective column of said plurality of ferrite modules to the charging circuit. Each switch in the second plurality of switches connects a respective row of said plurality of ferrite modules to ground. And, after a specific voltage has been reached by the charging circuit, one of the comparators signals to the controller, which in turn selects a specific ferrite module to be polarized by driving one of the plurality of first switches and one of the plurality of second switches. | 04-30-2015 |
| 20150115738 | BATTERY SAFETY DEVICE FOR VEHICLE AND METHOD OF DETECTING FAILURE THEREOF - A battery safety device for a vehicle and a method of detecting failure thereof is installed between a high-voltage battery mounted on the vehicle and a power line. The device includes a first main relay connected to a positive terminal of the battery in series, and a second main relay connected to a negative terminal of the battery in series. A capacitor is connected in parallel to the first main relay and connected to the positive terminal of the battery. | 04-30-2015 |
| 20150115739 | STANDBY-POWER CUTOFF DEVICE FOR ELECTRONIC PRODUCT USING POWER ADAPTOR - The present invention is a standby-power cutoff device for an electronic product using a power adaptor. The power adaptor comprises: a power supply unit for receiving external commercial AC power and generating DC power required for the operation of the electronic product; a first switching unit and a first switching driving unit installed in the path for providing the external commercial AC power to the power supply unit so as to cut off or supply the external commercial AC power from/to the power supply unit; a second switching unit and a second switching driving unit having a first contact for cutting off or supplying DC power from/to the electronic product and a second contact additionally connected to a DC power-supply line; a current-sensing unit for sensing the state of the current being provided to the electronic product; and an adaptor control unit for receiving the sensed signal from the current sensing unit in order to detect whether the electronic product is in an off state, if the electronic product is in the off state, controlling the first switching unit and the second switching unit such that the first and second switching units cut off power, and controlling the second contact to be in an on state, receiving the state of the signal of the DC power supply line through the second contact in order to detect if the electronic product is turned on, and, if the electronic product is in the on state, controlling the first switching unit and the second switching unit such that the first and second switching units operate to supply power, and controlling the second contact to be in an off state. | 04-30-2015 |
| 20150123493 | HIGH PERFORMANCE POWER INPUT CIRCUITS USING SYNCHRONIZED MECHANICAL SWITECHES - The preferred embodiments of the present invention use synchronized mechanical switches to support electrical switching circuits. Due to near perfect impedances of mechanical switches as well as accurate timing control mechanisms, the preferred embodiments of the present invention provide significant improvements in power efficiency and cost efficiency of first stage power input circuits. | 05-07-2015 |
| 20150303916 | SWITCHING COMPONENT, IN PARTICULAR DOMESTIC-APPLIANCE SWITCHING COMPONENT - A switching component, in particular a domestic-appliance switching component, includes a series circuit of at least two field effect transistors, and at least one driver circuit, which is associated with one of the at least two field effect transistors. The driver circuit has at least one switching element, which short circuits two control contacts of the field effect transistor in at least one operating state. | 10-22-2015 |
| 20150303917 | CONTROLLING TURN ON FETS OF A HOT PLUG DEVICE - A method control the in rush current to the hot plug device. The method includes providing a series of turn on pulses to the gates of a plurality of turn on FETs on a hot plug device coupled to a direct current power source, wherein each pulse causes the plurality of FETs to pass current from the direct current power source to a subsystem of the hot plug device, and wherein each pulse has a duration that ends before the impedance of the turn on FETs falls below a safe operating region. The method further includes providing a steady turn on signal to the FETs in response to the output voltage from the FETs to a subsystem of the hot plug device exceeding a predetermined voltage threshold. | 10-22-2015 |
| 20150353033 | HYBRID ENTRY SYSTEM - A system and method for providing access to a vehicle operation is disclosed herein. The system includes a first user-input interface, a second user-input interface, and a vehicle controller. The first user-input interface is configured to interact with a user via a physical force. The second user-input interface is configured to interact with the user via an application independent of the physical force. The vehicle controller is configured to control the vehicle operation in response to detecting a first user-input via the first user-input interface and a second user-input via the second user-input interface within a predetermined time. | 12-10-2015 |
| 20150357139 | METHOD AND STRATEGY FOR MULTIPLEXING BATTERY CYCLER HARDWARE - A method and apparatus for receiving a selection of a first device under test. Connecting the first device under test to a load based at least on a closed high-side driver relay and a closed low-side driver relay for a first switch, from a plurality of devices under test. Closing at a first rate a high-side driver relay of a first switch based at least on the received selection. Closing at a second rate a low-side driver relay of the first switch based at least on the received selection, wherein the first rate and second rate are different. | 12-10-2015 |
| 20150364922 | SOLID STTE POWER CONTROLLER WITH PARALLEL MOSFET LOAD SHARING - A solid state power control (SSPC) controls flow of current from a power bus to an inductive load. The SSPC utilizes load sharing, in which a plurality of current supply paths are connected in parallel to control and share the flow of current between the power bus and the inductive load. Each current supply path includes a main power switching field effect transistor (FET); a balance resistor, and a secondary FET. The balance resistor is connected between the main FET and the load. The secondary FET shunts the balance resistor when the main FET is turned on, and allows current flow through the balance resistor during a turn-off time of the main FET. The balance resistor modulates gate-source voltage of the main FET in order to compensate for gate-source threshold differences among the main FETs that could lead to unequal current sharing during the turn-off period. | 12-17-2015 |
| 20150372670 | Circuit and Method for Detection of Failure of the Driver Signal for Parallel Electronic Switches - There is described a method for driving paralleled electronic switches via a drive signal processing circuit ( | 12-24-2015 |
| 20150377589 | WEAPON SYSTEM CONTROL HANDLE - An apparatus. The apparatus includes electrical circuitry for selectably controlling a first and a second weapon system different from the first weapon system. The electrical circuitry includes a first switch including a first pole and a pole. The apparatus also includes a first connector having a first terminal coupled to a common terminal of the first pole. A second connector has a first terminal coupled to a common terminal of the second pole. The first connector is configured to couple to a first weapon system mounted on a mobile platform; and the second connector is configured to couple to a second weapon system mounted on the mobile platform. The first weapons system is configured to operate when the first switch is in a first positon and the second weapon system is configured to operate when the first switch is in a second position. | 12-31-2015 |
| 20160005556 | High Power Current Switch - A high power switching circuit suitable for injection of high currents, typically several tens of Amperes, at high drive voltages of up to 5-10 kV, is provided using a combination of electromechanical and semiconductor switching elements that, while providing switchable polarity, substantially bypasses semiconductor switching element(s) during a substantial portion of current injection duty cycles. In this way, thermal heating of switching elements can be reduced/managed in a way that improves long term reliability of geophysical survey equipment. In addition, circuit protections can be provided to address backflow currents generated upon collapse of electromagnetic fields in inductive loads, such as is typical in geophysical surveys. | 01-07-2016 |
| 20160006431 | PROTECTION SWITCHING FOR MATRIX OF FERRITE MODULES WITH REDUNDANT CONTROL - A protection switching circuit includes a plurality of ferrite modules arranged in a matrix, wherein the matrix includes a plurality of columns and a plurality of rows. The protection switching circuit further includes a primary control module configured to select a specific ferrite module to be polarized and a redundant control module configured to select a specific ferrite module to be polarized, wherein the redundant control module is used when the primary control module is not used. The protection switching circuit further includes a plurality of first switches, wherein the plurality of first switches couples the plurality of columns of the matrix to a first and second charging circuit. The protection switching circuit further includes a plurality of second switches, wherein the plurality of second switches are organized into pairs, wherein each pair in the plurality of second switches couples a respective row of the matrix to a reference potential. | 01-07-2016 |
| 20160049788 | ELECTRICAL POWER BYPASS TOOL AND METHOD - An electrical power bypass tool and a method of bypassing electrical power between a power source and branch circuits. The bypass tool includes a tool input breaker; a source bypass breaker in power-providing connection with the input breaker; one or more tool output breakers in power-receiving connection with the input breaker; a portable structure carrying the input breaker and the output breakers; and one or more branch-circuit bypass breakers in power-receiving connection with the tool output breakers. | 02-18-2016 |
| 20160111884 | POWER SUPPLY CONTROL DEVICE - A power supply control device that controls power supply from a power source device to a plurality of loads includes a circuit that parallely connects the plurality of loads to the power source device. The circuit is connected to a plurality of switches that switch between a connection and a shut off between the power source device and the plurality of loads. The power supply control device further includes a priority setting unit that assigns priorities to the plurality of loads, a power detection unit that detects a change in a total power consumption by the loads that are connected to the power source device, a load identifying unit that repeatedly performs a load identifying process, and a changeover control unit that controls a changeover of the switch corresponding to the load that is identified as the connection target and to connect the power source device to the identified load. | 04-21-2016 |
| 20160118203 | MAGNETICALLY BIASED RETRACTING KEY ASSEMBLY AND KEYBOARD - Magnetically biased retracting key assemblies and keyboards are provided. A key assembly includes a touch surface for receiving a press input from a user and a planar-translation-effecting (PTE) mechanism configured to guide as the keycap moves from an un-pressed position toward a pressed position. The key assembly also includes a ready-return mechanism configured to magnetically biased the keycap in the un-pressed position, the ready-return mechanism including a slider mechanism positioned beneath the keycap and coupled to the PTE mechanism. When the press surface receives a press input the slider mechanism translates away from the magnet as the PTE mechanism guides the keycap from the un-pressed position toward the pressed position. In some embodiments, the PTE mechanism and the ready-return mechanism translate with respect to a chassis layer providing a key retraction feature for the key assembly or keyboard. | 04-28-2016 |
| 20160118209 | CONTROL SYSTEM INCLUDING SINGLE LINE SWITCHES AND METHOD - A control system and method of controlling a control system includes a set of pressure-controlled devices having at least a first device and a second device movable between at least first and second positions, and a set of single line switches including at least a first switch and a second switch, each switch configured to move the pressure-controlled devices, respectively, between the first and second positions. The first device alternates between the first position and the second position with every position changing pressure pulse to the first switch, and the second device alternates between the first position and the second position with every two position changing pressure pulses to the first switch. | 04-28-2016 |
| 20160118982 | KEY INCLUDING CAPACITIVE SENSOR - A keyboard input device including a plurality of key assemblies, at least one of the key assemblies comprising: a key cap having a top surface configured to be pressed by a user; a rigid conductive substrate (e.g., metal) coupled to a bottom surface of the key cap; a translation mechanism configured to allow translation of the key responsive to user input; and a capacitive sensor substrate disposed between the key cap and the rigid conductive substrate, the capacitive sensor substrate comprising a plurality of sensor electrodes configured to detect input objects in a sensing region of the key assembly. | 04-28-2016 |
| 20160126367 | Solar Photovaltaic Module Rapid Shutdown and Safety System - A photovoltaic (PV) module safety shutdown system includes a module-on switch coupled with a PV module coupled with an alternating current (AC) mains panel through an inverter. A system monitor couples with the module-on switch and with the AC mains panel and generates a system-on signal. A module discharge switch couples with an inherent capacitance of the inverter and with the system monitor. The module discharge switch discharges the inherent capacitance, by coupling the inherent capacitance with a discharge element, in response to the system monitor not generating the system-on signal. In implementations a module short switch shorts the PV module in response to a passage of a predetermined amount of time after the module discharge switch is switched on. The module-on switch, module discharge switch, and module short switch may be included in a junction box of the PV module and coupled with the system monitor through multiple opto-isolators. | 05-05-2016 |
| 20160143550 | Medical Pendant System - A medical pendant system, comprising. a movable component, an execution component and a bus ( | 05-26-2016 |
| 20160149351 | FUSIBLE LINK CABLE HARNESS AND SYSTEMS AND METHODS FOR ADDRESSING FUSIBLE LINK CABLE HARNESSES - A fusible link cable harness and systems and methods for addressing fusible link cable harnesses are provided. The fusible link cable harness, for example, may include, but is not limited to, a first connector having a plurality of pins, the plurality of pins comprising a main addressing pin and a plurality of secondary addressing pins, and a fusible link board, the fusible link board including, but not limited to, a bus coupled to the main addressing pin, and a plurality of fusible links, each of the plurality of fusible links coupled between one of the secondary addressing pins and the bus. | 05-26-2016 |
| 20160182039 | SMART SWITCH FOR CONNECTING AN INPUT POWER SUPPLY TO A LOAD | 06-23-2016 |
| 20170237287 | Methods and Systems for Autonomous Redundant Control | 08-17-2017 |
