52nd week of 2018 patent applcation highlights part 72 |
Patent application number | Title | Published |
20180375418 | MAGNETIC LEVITATION ELECTRICAL GENERATOR - A device for generating an electric charge, having: a base; at last one capacitor; at least one magnet; a cover; a splitter; a load; a conductive core; a frictionless surface; and at least one discharge point. The at least one capacitor adapted and configured to store electricity generated from the electric charge. The splitter is adapted and configured to receive a first portion of electricity from the conductive core and divert a second portion of electricity back to the at least one capacitor and further divert a third portion of electricity to the load. The load is adapted and configured to store electricity and use a fraction of the total electricity generated by the device. The at least one magnet is adapted and configured to levitate and rotate on an electromagnetic rail around said conductive core in an infinite loop, wherein said rotation causes a magnetic field. | 2018-12-27 |
20180375419 | Wind Turbine with a Superconductive Generator Having an Improved Thermally Insulating Structure - The invention relates to a wind turbine with a generator and a method of assembling a generator thereof, wherein the generator comprises a rotor rotatably arranged relative to a stator. The rotor comprises a plurality of superconducting pole units arranged on a back iron which is spaced apart from a rotor structure by a number of thermally insulating plates or beams. Said plates or beams are located between either ends of the rotor and orientated relative to the rotational direction of the rotor. Each plate has a first end firmly connected to another first beam extending in an axial direction and a second end firmly connected to another second beam also extending the axial direction. The first beams are further firmly connected to the back iron while the second beams are further firmly connected to the rotor structure. The thermally insulating plates or beams provide a flexible and cheap support interface that is able to adapt to the tolerances of the individual components. | 2018-12-27 |
20180375420 | SYSTEMS, METHODS, AND DEVICES FOR REMOTE SENSE WITHOUT WIRES - A system for controlling power output of a power supply incudes power conversion circuitry, output terminals, and a controller. The controller controls the power conversion circuitry to provide a known current to one or more leads, wherein the one or more leads are shorted at the distal end. The controller measures a voltage drop across the one or more leads shorted at the distal end. The controller stores a parameter determined based on the voltage drop, such as a resistance of the one or more leads. The controller controls the power conversion circuitry to provide a target voltage to the load based on the stored parameter when the one or more leads are not shorted at the load. | 2018-12-27 |
20180375421 | POWER SUPPLY WITH AUXILIARY CONVERTER FOR EXTENDED INPUT VOLTAGE RANGE - A DC power supply includes a point-of-load (PoL) regulator providing power to a load with a desired efficiency only when a PoL input voltage is in a first sub-range of a specified larger system input voltage range. The supply has an auxiliary circuit with an output in series with the supply input, generating an auxiliary voltage and adding it to the DC supply voltage to form a boosted supply voltage. Switching circuitry connects the supply input to the PoL input to apply a DC supply voltage as the PoL input voltage when the supply voltage is in the first sub-range, and connects the output of the auxiliary circuit to the PoL input to apply the boosted supply voltage as the PoL input voltage when the supply voltage is outside the first sub-range, maintaining the PoL input voltage within the first sub-range. | 2018-12-27 |
20180375422 | POWER SUPPLY DEVICE - A power supply device has a switch and a coil connected in series with alternating-current input power. A first rectifier connected across the coil performs boost rectification, and a voltage across an output smoothing capacitor is charged to obtain output power. | 2018-12-27 |
20180375423 | SEMICONDUCTOR DEVICE, POWER CONVERTING DEVICE, DRIVING DEVICE, VEHICLE, AND ELEVATOR - A semiconductor device of an embodiment includes a first diode having a first anode and a first cathode, the first anode connected to either one of first and second electrodes of a first transistor having the first and second electrodes and a first gate electrode; a first electric resistor having a first one end connected to the first cathode and a first other end connected to positive pole of a direct-current power source; a first capacitor having a second one end and a second other end connected to the first cathode; a second capacitor having a third one end connected to negative pole of the direct-current power source and a third other end connected to the second one end of the first capacitor; and a second switching element connected in parallel to the second capacitor. | 2018-12-27 |
20180375424 | SHORTING DEVICE FOR GROUNDING OF CONVERTER - A shorting device for facilitating the grounding of a converter to which a plurality of sub modules is connected in series. The device includes: a moving rod ( | 2018-12-27 |
20180375425 | SNUBBER CIRCUITS FOR POWER CONVERTERS - A power converter for converting an input power at an input of the converter to an output power at an output of the converter includes a power conversion circuit and a snubber circuit coupled to the power conversion circuit. The power conversion circuit includes a switching device coupled to a reference potential, and an inductance coupled to the switching device. The snubber circuit includes a snubber switching device, a capacitance coupled to the snubber switching device, and an auxiliary inductance coupled to the inductance of the power conversion circuit and the snubber switching device. The snubber switching device and the capacitance are coupled across the switching device of the power conversion circuit. The capacitance is adapted to store leakage energy output from the power conversion circuit and discharge at least a portion of the stored leakage energy via the snubber switching device. Other example power converters are also disclosed. | 2018-12-27 |
20180375426 | REGENERATIVE UNDELAND SNUBBER CIRCUIT FOR HALF-ARM OF AN INVERTER - The present invention is a power module for a system for converting a direct electrical power into a three-phase electrical power. The power module according to the invention comprises two inputs (E | 2018-12-27 |
20180375427 | RECTIFIER AND ASSOCIATED RECTIFYING CIRCUIT - A rectifier, including: a first and a second input terminal, a first output terminal and at least one rectifying circuit. Each rectifying circuit including: a switching circuit including a transistor, and a driving circuit. The driving circuit is coupled to the switching circuit and controls a switching status of the switching circuit, and includes a totem-pole circuit and an input transistor. The totem-pole circuit includes an input terminal and an output terminal coupled to the transistor. The input transistor is coupled between the totem-pole circuit and the switching circuit. The at least one rectifying circuit includes a first and a second rectifying circuit. The transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first output terminal. The input transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first input terminal and the second input terminal, respectively. | 2018-12-27 |
20180375428 | NEGATIVE CHARGE PUMP CIRCUIT - The disclosure relates to a negative charge pump circuit including a first capacitor; a first selector switch; a second selector switch; and a control circuit designed to, in a first phase of operation, alternately control the first and second selector switches in a first configuration in which the first and second electrodes of the first capacitor are respectively linked to the first and second nodes and in a second configuration in which the first and second electrodes of the first capacitor are respectively linked to the second and third nodes. In a second phase of operation, the control circuit forces the first selector switch to link the first electrode of the first capacitor to the second node and control the second selector switch so as to alternately link the second electrode of the first capacitor to the second and to the third node. | 2018-12-27 |
20180375429 | Power Converter Control Apparatus and Method - A power converter comprises a first switch and a second switch connected in series between an input power source and ground, an inductor connected between a common node of the first switch and the second switch, and an output capacitor and a comparator having a first input connected to a reference, a second input configured to receive a sum of a first feedback signal and a second feedback signal and an output configured to generate a turn-on signal of the first switch, wherein the first feedback signal is proportional to an voltage across the output capacitor and the second feedback signal is generated by applying at least one low-pass filter to a switching ripple voltage. | 2018-12-27 |
20180375430 | BOOST CONVERTER WITH PRE-CHARGE CURRENT - Method and apparatus is disclosed for providing a controlled pre-charging current for capacitive loads coupled to a boost converter. For at least some embodiments, the boost converter may include a high-side field effect transistor (FET) and a low-side FET. The boost converter may provide the pre-charge current by periodically enabling the high-side FET while the low-side FET is maintained in an off state. The high-side FET may be enabled by a square-wave signal. The pre-charge current may be delivered until the output voltage of the boost converter exceeds a reference voltage. After the output voltage exceeds the reference voltage, the boost converter may transition to a normal (switching) operation. | 2018-12-27 |
20180375431 | CONTROL TECHNIQUES IN VOLTAGE REGULATION SYSTEMS, AND RELATED METHODS AND CIRCUITS - Devices and techniques for controlling voltage regulation are disclosed. A voltage regulation system may include one or more loads disposed on an integrated circuit, a DC-to-DC voltage regulation device at least partially disposed on the integrated circuit, and a second device disposed external to the integrated circuit and comprising circuitry configured to communicate with the controller of the voltage regulation device. The voltage regulation device may include one or more voltage regulation modules and a controller configured to control the one or more voltage regulation modules. The one or more voltage regulation modules may be configured to supply one or more voltage levels, respectively, to the one or more loads. The controller may be configured to disable at least one of the one or more voltage regulation modules based on a determination that the second device is not suitable for use with the voltage regulation device. | 2018-12-27 |
20180375432 | TRENCH MOSFET HAVING AN INDEPENDENT COUPLED ELEMENT IN A TRENCH - A trench MOSFET is disclosed that includes a semiconductor substrate having a vertically oriented trench containing a gate. The trench MOSFET further includes a source, a drain, and a conductive element. The conductive element, like the gate is contained in the trench, and extends between the gate and a bottom of the trench. The conductive element is electrically isolated from the source, the gate, and the drain. When employed in a device such as a DC-DC converter, the trench MOSFET may reduce power losses and electrical and electromagnetic noise. | 2018-12-27 |
20180375433 | PEAK-DELIVERED-POWER CIRCUIT FOR A VOLTAGE REGULATOR - Embodiments described herein concern operating a peak-delivered-power (PDP) controller. Operating a PDP includes calculating the new power output value from the output voltage value and the output current value, determining whether the new power output value is greater than the previous power output value to determine whether the voltage regulator is outputting a maximum power output, based on a determination that the new power output value is greater than the previous power output value, providing an instruction to a duty generator to increase a duty cycle of the voltage regulator, based on a determination that the new power output value is not greater than the previous power output value, providing an instruction to the duty generator to decrease the duty cycle of the voltage regulator, and replacing the previous power output value with the new power output value. | 2018-12-27 |
20180375434 | BUCK VOLTAGE CONVERTER - A buck voltage converter is provided which is configured so that a dominant pole of an open loop transfer function of the buck voltage converter is a pole introduced by a network comprising an inductor and a capacitor coupled to an output of the buck voltage converter. | 2018-12-27 |
20180375435 | Peak Current Control for a Power Switch of a Power Converter - Control circuitry for controlling the duty cycle of a magnetizing switch of a power converter containing a demagnetizing switch is described. The magnetizing switch and the demagnetizing switch are switched on within a sequence of commutation cycles in a mutually exclusive manner. The control circuitry is configured, within a commutation cycle from the sequence of commutation cycles, to determine a sensed current signal indicative of a current through the magnetizing switch. The control circuitry determines a ramp signal by adding a slope compensation signal to the sensed current signal. The control circuitry determines a threshold signal and determines a duty cycle for the magnetizing switch for the commutation cycle by comparing the ramp signal with the threshold signal. The threshold signal and/or the slope compensation signal depend on the duty cycle for the magnetizing switch of a preceding commutation cycle from the sequence of commutation cycles. | 2018-12-27 |
20180375436 | CONTROL CIRCUIT AND METHOD FOR CONTROLLING A RESONANT CONVERTER AND POWER INVERTER COMPRISING THE RESONANT CONVERTER AND THE CONTROL CIRCUIT - The present invention proposes a control circuit and a method of controlling a resonant converter comprising a full-bridge configuration in the following manner: during each half period of a plurality of periods of a resonant current of the resonant converter, starting from an initial state ( | 2018-12-27 |
20180375437 | Switched-Mode Power Supplies Having Burst Mode Operation For Reduced Power Consumption - According to some aspects of the present disclosure, switched-mode power converters and control methods are disclosed. Example power converters include an input terminal, an output terminal, and a transformer coupled between the input terminal and the output terminal. The transformer includes a primary winding and a secondary winding. The power supply also includes at least one switch coupled to the primary winding, and a primary controller coupled to the at least one switch to control switching operation of the at least one switch. The primary controller includes a voltage reference. The power supply further includes a secondary controller configured to detect a no load condition at the output terminal, and operate the primary controller in a burst mode by adjusting the voltage reference of the primary controller when the secondary controller detects the no load condition at the output terminal. | 2018-12-27 |
20180375438 | APPARATUS, SYSTEM, AND METHOD FOR REDUCING VOLTAGE OVERSHOOT IN VOLTAGE REGULATORS - An apparatus is provided which comprises: a first voltage regulator; a second voltage regulator; and a switch to selectively couple the first voltage regulator to the second voltage regulator, such that a first output node of the first voltage regulator is temporarily coupled to a second output node of the second voltage regulator via the switch. | 2018-12-27 |
20180375439 | ELECTRIC VEHICLE, VEHICLE-MOUNTED CHARGER, AND METHOD FOR CONTROLLING THE SAME - The present disclosure provides an electric vehicle, a vehicle-mounted charger and a method for controlling the same. The method includes: obtaining a first charging predetermined period Tx for controlling the H bridge in a first manner and a second charging predetermined period Ty for controlling the H bridge in a second manner when the vehicle-mounted charger starts to charge a power battery of the electric vehicle; and performing an alternate control on the H bridge in the first manner or the second manner according to the first charging predetermined period Tx and the second charging predetermined period Ty, so as to perform a temperature balanced control over the first switch tube, the second switch tube, the third switch tube and the fourth switch tube. | 2018-12-27 |
20180375440 | ARRANGEMENT FOR SWITCHING ON A TWO-WAY SWITCH OF A CONVERTER MODULE, CONVERTER MODULE FOR A MODULAR MULTI-LEVEL CONVERTER HAVING THE ARRANGEMENT AND METHOD FOR PRODUCING OPERATIONAL STANDBY FOR A CONVERTER MODULE HAVING A TWO-WAY SWITCH - The subject of the present invention is an arrangement for switching on a two-way switch of a converter module. A power generation device for providing electric power for switching on the two-way switch is provided that is suitable for converting electromagnetic radiation into electrical power. There is also described a converter module for a modular multi-level converter having the arrangement and a method for producing operational standby for a converter module having a two-way switch. | 2018-12-27 |
20180375441 | POWER CONVERTER - A power converter includes: input terminals for inputting a DC voltage; output terminals for outputting an AC voltage; a switch; a first resonant capacitance connected between both ends of the switch; a first LC resonance circuit connected in series with the switch between the output terminals; and a second LC resonance circuit connected between the input terminals and the switch. The first LC resonance circuit includes an inductance and a capacitance in series. When the input terminals are shorted, frequency characteristics of an impedance of the second LC resonance circuit include first to fourth resonant frequencies. The first resonant frequency is higher than a switching frequency of the switch. The second and fourth resonant frequencies are around double and four times the switching frequency. The impedance has local maxima at the first and third resonant frequencies and local minima at the second and fourth resonant frequencies. | 2018-12-27 |
20180375442 | RESONANT LOAD POWER CONVERSION DEVICE AND TIME DIVISION OPERATION METHOD FOR RESONANT LOAD POWER CONVERSION DEVICE - Present invention provides resonant load power conversion device capable of decreasing switching frequency of each switching element and reducing the number of main circuit conductors. Resonant load power conversion device has single-phase inverter whose DC input side (Vdc) is connected to DC voltage source and whose output side (Vout) is connected to resonant load and which outputs rectangular wave voltage at resonance frequency. Resonant load power conversion device includes switch group circuits | 2018-12-27 |
20180375443 | ENERGY GENERATION SYSTEM AND METHOD - A system comprises a power generator for generating electrical power and a switched capacitor converter for down-converting the output voltage of the power generator. The switched capacitor converter comprises a bank of capacitors and a switch arrangement. A controller is used for controlling the switches, based on a feedback signal from the power generator. This provides automatic control of the switched capacitor converter, thereby simplifying the overall control circuitry and improving efficiency. | 2018-12-27 |
20180375444 | BUILDING SYSTEM WITH VIBRATION BASED OCCUPANCY SENSORS - An occupancy sensing device for determining occupancy of a zone of a building includes a first vibration sensor, a second vibration sensor, and a processing circuit. The first vibration sensor is configured to sense vibrations associated with movement of an occupant and generate a first signal based on the sensed vibrations. The second vibration sensor is configured to sense the vibrations associated with the movement of the occupant and generate a second signal based on the sensed vibrations. The processing circuit is configured to receive the first signal from the first vibration sensor, receive the second signal from the second vibration sensor, and determine whether the occupant is entering or exiting the zone based on the first and second signals. | 2018-12-27 |
20180375445 | CONVERTER - A converter includes a first electrode, a second electrode, a dielectric elastomer film, and a high-dielectric-constant film. The dielectric elastomer film is disposed between the first electrode and the second electrode, and has relative dielectric constant ε1. The high-dielectric-constant film is disposed at one or both of: a location between the first electrode and the dielectric elastomer film; and a location between the second electrode and the dielectric elastomer film. The high-dielectric-constant film has relative dielectric constant ε2 that is higher than the relative dielectric constant ε1. | 2018-12-27 |
20180375446 | Method and Device for Operating an Electric Motor - Device for operating an electric motor, comprising a detection unit for detecting zero-crossings and phase angles of applied phase-shifted sinusoidal voltage phases of a multi-phase power supply network; and a switching unit for connecting half-waves of the applied sinusoidal voltage phases through by means of semiconductor switches in accordance with switching patterns applied to the semiconductor switches, said patterns being synchronised with the detected phase angles and zero-crossings, to generate phase-shifted quasi-sinusoidal voltage phases which are applied directly to the electric motor. | 2018-12-27 |
20180375447 | DEVICE AND METHOD FOR CONTROLLING LINEAR MOTOR - A control device for a linear motor includes a speed controller that calculates a current command value by an integration operation using a first integral value of a difference between a moving speed of a movable element provided in the linear motor and a speed command value calculated on the basis of a position command value, a current controller that applies a voltage to the linear motor on the basis of the current command value, and a correction value storage unit that stores the first integral value of the speed controller when the movable element remains at a position indicated by the position command value. When resuming control of the linear motor, the speed controller sets the first integral value stored in the correction value storage unit as an initial value for the integration operation before the brake controller turns off the brake device. | 2018-12-27 |
20180375448 | MOTOR CONTROL SYSTEM - A motor control system includes an electric motor and inverter. The electric motor includes a stator, rotor, and winding structure. The stator includes an iron core with a plurality of slots formed therein along a radial direction of the stator. The winding structure has a plurality of hairpin wires with pins disposed in the slots. The winding structure is configured to provide a plurality of phase windings and each phase winding includes a plurality of motor windings. The inverter includes a switching controller configured to control the turning-on and turning-off of the motor windings of each phase winding of the winding structure. When the electric motor operates in a high-speed mode, the switching controller controls the turning-on and turning-off of the motor windings of each phase winding such that a number of the phase windings turned-on is 1/3 less than a number of all the phase windings. | 2018-12-27 |
20180375449 | METHOD FOR ADJUSTING A DRIVE SIGNAL - A method for adjusting a drive signal of a drive circuit. A period of the drive signal is determined and an advance angle count value is extracted from a storage register in accordance with the period of the drive signal. The advance angle count value and a first control signal are used to determine an advance angle adjustment range, where the first control signal is from a source external to the drive circuit. The advance angle adjustment range and a second control signal are used to determine an advance angle adjustment range start angle, where the second control signal is from a source external to the drive circuit. | 2018-12-27 |
20180375450 | OPERATION OF A ROTATING ELECTRIC MACHINE HAVING TWO POSITION SENSORS - The invention relates to a method for operating a rotating electric machine ( | 2018-12-27 |
20180375451 | DRIVING DEVICE AND DRIVING METHOD FOR MOTOR, COOLING DEVICE AND ELECTRONIC MACHINE - The present disclosure provides a driving device with a low cost and/or a simple advance angle control for a motor. A voltage zero crossing detecting unit | 2018-12-27 |
20180375452 | VARIABLE-SPEED PUMPED STORAGE POWER GENERATION APPARATUS - A variable-speed pumped storage power generation apparatus sets a maximum change rate of a power output command constant when a slip frequency is within a normal operating range, limits the maximum change rate of the power output command by multiplying the maximum change rate by a value in a range of one to zero when the slip frequency is within a range falling below a lower limit of the normal operating range by a predetermined value or less or within a range exceeding an upper limit of the normal operating range by a predetermined value or less, and limits the maximum change rate of the power output command by multiplying the maximum change rate by zero when the slip frequency is in a range falling below the lower limit by the predetermined value or more or in a range exceeding the upper limit by the predetermined value or more. | 2018-12-27 |
20180375453 | METHOD AND APPARATUS FOR ON-LINE ESTIMATION OF INITIAL POSITION OF SURFACE PERMANENT MAGNET ELECTRIC MACHINE - The present invention relates to a method and apparatus for on-line estimation of an initial position of a surface permanent magnet electric machine in a stationary state or at a first speed. The method ( | 2018-12-27 |
20180375454 | CONTROL DEVICE OF MOTOR AND ELECTRIC VEHICLE USING THE SAME - It is an object of the present invention to reduce detection error of zero-phase current. | 2018-12-27 |
20180375455 | POWER CONVERTER CONTROL DEVICE - Ripple power having a first variation range is input into a DC link (DC power supply lines). Buffer power is provided and received between the DC link and a power buffer circuit, so that the DC link outputs DC power having a second variation range smaller than the first variation range. An inverter receives the DC power as an input, and outputs AC power to a motor. A power control unit controls the power buffer circuit and the inverter on the basis of a compensation rate that sets the second variation range. A compensation rate setting unit performs a setting in which the compensation rate when a rotational speed of the motor belongs to any of a plurality of first predetermined ranges is higher than the compensation rate when the rotational speed belongs to a second predetermined range other than the plurality of first predetermined ranges. | 2018-12-27 |
20180375456 | SYSTEMS AND METHODS FOR ACTIVE DAMPING OF A MOTOR - A method includes controlling a first power output to an electric machine during a transient event. Controlling the first power output includes measuring values of the first power output provided to the electric machine during the transient event, receiving an estimated speed input of the electric machine, determining adjustment commands to compensate the first power output for the transient event of the electric machine, generating switch commands for gate drives of a variable frequency drive (VFD) based at least in part on the adjustment commands, and modifying the first power output during the transient event based on the switch commands. | 2018-12-27 |
20180375457 | POWER CONVERSION DEVICE, MOTOR DRIVE UNIT, AND ELECTRIC POWER STEERING DEVICE - A power conversion device may include a first inverter to which one end of each phase winding of a motor is coupled, a second inverter to which the other end of each phase winding is coupled, and a switch circuit having at least one of a first switch element that switches between connection and disconnection of the first inverter to and from a ground, a first protection circuit being coupled in parallel to the first switch element, and a second switch element that switches between connection and disconnection of the second inverter to and from the ground, a second protection circuit being coupled in parallel to the second switch element. | 2018-12-27 |
20180375458 | ANOMALY DIAGNOSING DEVICE AND ANOMALY DIAGNOSING METHOD - An anomaly diagnosing device diagnoses an anomaly in a single motor driven by multiple motor drive units. The multiple motor drive units supply AC currents to multiple multi-phase windings of the motor to drive the motor. The anomaly diagnosing device includes: a power consumption calculator for calculating power consumption in each of the multi-phase windings; a power difference calculator for calculating a difference in power consumption between the multi-phase windings; and a determination unit for determining that an anomaly is occurring when the absolute value of the difference has exceeded a threshold for a predetermined period of time. | 2018-12-27 |
20180375459 | MOTOR DIAGNOSIS METHOD AND POWER CONVERSION DEVICE USING SAME - A diagnosis method for diagnosing a state of a motor includes an application step in which a voltage is applied to the motor on the basis of a non-rotating voltage signal that causes a rotation speed of the motor to become 0, and a measurement step in which a current supplied to the motor, to which the voltage has been applied, is measured. The diagnosis method includes a calculation step in which an electrical characteristic of the motor is calculated on the basis of the current of the motor measured by the measurement step, and a determination step in which an abnormality of the motor is determined on the basis of the electrical characteristic of the motor calculated by the calculation step and a parameter related to the non-rotating voltage signal. | 2018-12-27 |
20180375460 | CONTROL DEVICE OF ELECTRIC MOTOR, ELECTRIC MOTOR SYSTEM, AND CONTROL METHOD OF ELECTRIC MOTOR - A control device capable of continuously operating an electric motor even when an abnormality occurs in a fan. The control device includes: a cooling operation information acquisition section configured to acquire cooling operation information of the fan; a cooling operation determination section configured to determine whether the cooling operation information indicates a normal cooling operation; a running information acquisition section configured to acquire running information of the electric motor; and a running control section configured to, in accordance with a determination that the cooling operation information does not indicate the normal cooling operation, control an operation of the electric motor to be in an overheat-prevented state by referring to the running information. | 2018-12-27 |
20180375461 | HEIGHT ADJUSTMENT BRACKET FOR ROOF APPLICATIONS - A roof mount system supports a solar panel above a roof and includes a base positioned on the roof and a first fastener connected to the base and extending away from the roof and moveable along the base in a direction generally parallel to the roof. A first clamp supports a bottom surface of a solar panel frame and adjusts the height of the solar panel above the roof by moving the first clamp along a first fastener in a direction perpendicular to the roof. A second clamp is connected to a second fastener and moves with respect to the first clamp perpendicular to the roof. The solar panel is clamped between the first clamp and the second clamp portion. A protrusion extends from the first or second clamp to form an electrical bond between the solar panel frame and the respective first or second clamp. | 2018-12-27 |
20180375462 | SYSTEM AND METHOD FOR MOUNTING OBJECTS ON ROOFS AND SURFACES - A mount for support of a component on a surface is provided. A base includes a bottom adapted to be supported on the surface, a circuit component, and a data pathway extending from the circuit component. A compressible component is mounted above the base and in electrical contact with the data pathway of the base, the compressible component having an uncompressed state in which the circuit component is not electrically accessible through the compressible component, and a compressed state in which a data pathway is formed through the compressible component such that the data pathway of the base is electrically accessible through the compressible component. The compressible component is adapted to transition from the uncompressed state to the compressed state in response to a lag bolt passing through the compressible component and base and applying sufficient downward pressure to secure the base to the surface. | 2018-12-27 |
20180375463 | PHOTOVOLTAIC MODULE HAVING BI-DIRECTIONAL COUPLINGS - A photovoltaic (PV) module having bi-directional couplings is described. The bi-directional couplings include a first coupling mounted on a support frame under a first edge of the PV module and a second coupling mounted on the support frame under a second edge of the PV module. The PV module can be a keystone module and the bi-directional couplings of the keystone module can connect to respective couplings of several adjacent PV modules. The bi-directional couplings can form male-to-female connections with the respective couplings to quickly combine the PV modules into a PV module assembly. The PV module assembly includes the bi-directionally connected PV modules supporting each other in both an x-direction and a y-direction. | 2018-12-27 |
20180375464 | LIGHT-CONCENTRATING SOLAR SYSTEM - A light-concentrating, solar system, comprising: a first Fresnel lens ( | 2018-12-27 |
20180375465 | POWER CONVERTER CIRCUITRY FOR PHOTOVOLTAIC DEVICES - Power converter circuitry includes a direct current (DC) input comprising a first DC input node and a second DC input node, an alternating current (AC) output comprising a first AC output node coupled to the first DC input node and a second AC output node, a first boost switch coupled between the second DC input node and a boost intermediate node, a second boost switch coupled between the boost intermediate node and a common node, a boost inductor coupled between the boost intermediate node and the first DC input node, a link capacitor coupled between the second DC input node and the common node, a first half-bridge switch coupled between the second DC input node and a half-bridge intermediate node, a second half-bridge switch coupled between the half-bridge intermediate node and the common node, and a half-bridge inductor coupled between the half-bridge intermediate node and the second AC output node. | 2018-12-27 |
20180375466 | METHOD AND DEVICE FOR DETECTING A STRAY ELECTRIC ARC IN A PHOTOVOLTAIC INSTALLATION - The photovoltaic installation comprising at least one photovoltaic module ( | 2018-12-27 |
20180375467 | METHOD AND DEVICE FOR EVALUATING THE ENERGY PRODUCED BY AN ELECTRIC ARC IN A PHOTOVOLTAIC INSTALLATION - The invention relates to a method including the steps of measuring (EO) an electric current signal produced by the apparatus ( | 2018-12-27 |
20180375468 | SMART SENSOR DEVICES FOR MEASURING AND VERIFYING SOLAR ARRAY PERFORMANCE AND OPERATIONAL METHODS FOR USE THEREWITH - A device comprises a platform constructed and arranged to be mounted to one or more solar array modules and one or more solar irradiance sensors on the platform configured to receive incident solar energy, the one or more solar irradiance sensors oriented on the platform so that the received incident solar energy is comparable to that received by the solar array modules, the one or more solar irradiance sensors providing solar irradiance signals in response to the incident solar energy. A processor is on the platform, the processor configured to receive the solar irradiance signals and, in response, generating a performance reference metric based on the solar irradiance signals, the performance reference metric related to the expected performance of the one or more solar array modules to which the platform is mounted. A transmitter is on the platform, the transmitter configured to periodically transmit the performance reference metric to a receiver. | 2018-12-27 |
20180375469 | SOLAR CELL MONITORING DEVICE - A solar cell monitoring device includes: an inverter; connection boards which include multiple string circuits, respectively; a terminal block which is provided at an input side of the inverter, and includes multiple branch terminals which are connected to wires that are connected to the connection boards, respectively and supply direct current power to the inverter; detection elements which are provided at a side of the branch terminals; and a measurement unit which measures the currents of the wires which are detected by the detection elements. | 2018-12-27 |
20180375470 | INSPECTION METHOD AND INSPECTION SYSTEM OF SOLAR CELL - A method for inspecting a solar cell and configured to inspect a peeling state of a three-dimensional pattern of the solar cell includes obliquely illuminating the three-dimensional pattern of the solar cell using a light beam. An image of the solar cell is normally captured. An intensity of the light beam is increased to increase a contrast between the three-dimensional pattern and a shadow of the three-dimensional pattern in the image and increase a contrast between an ink pattern of the solar cell and the shadow in the image to overexpose the ink pattern in the image. Determine if the three-dimensional pattern is peeling according to the shadow of the three-dimensional pattern in the image. | 2018-12-27 |
20180375471 | Method, Apparatus, and Device for Identifying Cell String Fault in Optoelectronic System - A method, an apparatus, and a device for identifying a cell string fault in an optoelectronic system, where the method includes obtaining at least two groups of current-voltage (I-V) values of a first cell string in the optoelectronic system, performing fitting processing according to the at least two groups of I-V values using a predetermined physical string model to obtain at least one characteristic parameter of the first cell string, and comparing the at least one characteristic parameter with a pre-obtained standard characteristic parameter to determine whether the first cell string is faulty, or performing curve fitting processing on collected data using the physical string model. Therefore, identifying the cell string fault in the optoelectronic system is not affected by inconsistency of environments, and processing efficiency and accuracy of string fault identification are effectively improved. | 2018-12-27 |
20180375472 | PHASE NOISE REDUCTION IN VOLTAGE CONTROLLED OSCILLATORS - A voltage controlled oscillator (VCO), a method of designing a voltage controlled oscillator, and a design structure comprising a semiconductor substrate including a voltage controlled oscillator are disclosed. In one embodiment, the VCO comprises an LC tank circuit for generating an oscillator output at an oscillator frequency, and an oscillator core including cross-coupled semiconductor devices to provide feedback to the tank circuit. The VCO further comprises a supply node, a tail node, and a noise by-pass circuit connected to the supply and tail nodes, in parallel with the tank circuit and the oscillator core. The by-pass circuit forms a low-impedance path at a frequency approximately twice the oscillator frequency to at least partially immunize the oscillator core from external noise and to reduce noise contribution from the cross-coupled semiconductor devices. | 2018-12-27 |
20180375473 | FAST START-UP SINGLE PIN CRYSTAL OSCILLATION APPARATUS AND OPERATION METHOD THEREOF - The invention disclosed fast start-up single-pin crystal oscillation apparatus and operation method thereof. The apparatus comprises a comparator, an envelope detector, a trigger, a crystal, a finite state machine, an amplifier gain module, a load capacitor module and a bias resistor. Compared to prior arts, the invention uses a single-pin oscillator structure to remove two external load capacitors, reduces start-up time, increase negative resistance, reduce load capacitor, and uses fast start-up algorithm to make the oscillation circuit operating at optimal power-consumption. | 2018-12-27 |
20180375474 | POWER AMPLIFIER CIRCUIT - A power amplifier circuit includes a transistor, a bias current source, and an adjustment circuit. The transistor amplifies an RF signal when supplied with a variable power supply voltage. The bias current source supplies a bias current to the base of the transistor through a first current path. The adjustment circuit increases a current flowing from the bias current source to an input terminal of a matching circuit through a second current path as the variable power supply voltage decreases, and decreases the bias current flowing from the bias current source to the base of the transistor through the first current path as the current flowing from the bias current source to the input terminal through the second current path increases. | 2018-12-27 |
20180375475 | LOW DISTORTION MULTIPLE POWER AMPLIFIER POWER SUPPLY - A PA power supply, which includes a first ET power supply, power supply control circuitry, a first PMOS switching element, and a second PMOS switching element, is disclosed. During a first operating mode, the power supply control circuitry selects an OFF state of the first PMOS switching element, selects an ON state of the second PMOS switching element, and adjusts a voltage of a first switch control signal to maintain the OFF state of the first PMOS switching element using a voltage at a source of the first PMOS switching element and a voltage at a drain of the first PMOS switching element; the PA power supply provides a first PA power supply signal; and the first ET power supply provides a first ET power supply signal, such that the first PA power supply signal is based on the first ET power supply signal. | 2018-12-27 |
20180375476 | FAST ENVELOPE TRACKING SYSTEMS FOR POWER AMPLIFIERS - Fast envelope tracking systems are provided herein. In certain embodiments, an envelope tracking system for a power amplifier includes a switching regulator and a differential error amplifier configured to operate in combination with one another to generate a power amplifier supply voltage for the power amplifier based on an envelope of a radio frequency (RF) signal amplified by the power amplifier. The envelope tracking system further includes a differential envelope amplifier configured to amplify a differential envelope signal to generate a single-ended envelope signal that changes in relation to the envelope of the RF signal. Additionally, the differential error amplifier generates an output current operable to adjust a voltage level of the power amplifier supply voltage based on comparing the single-ended envelope signal to a reference signal. | 2018-12-27 |
20180375477 | PHASE SHIFT AND ATTENUATION CIRCUITS FOR USE WITH MULTIPLE-PATH AMPLIFIERS - Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first circuit. The first circuit includes a first input coupled to a first power divider output, a first output coupled to a first amplifier path of the multiple amplifier paths, and a first adjustable phase shifter and a first attenuator series coupled between the first input and the first output. The second circuit includes a second input coupled to a second power divider output, a second output coupled to a second amplifier path of the multiple amplifier paths, and a second adjustable phase shifter coupled between the second input and the second output. | 2018-12-27 |
20180375478 | CMOS RF Front-End of Transmitter for Rotational Spectroscopy - A radio frequency (RF) front-end for a transmitter in a complementary metal-oxide-semiconductor (CMOS) includes a mixer based core that itself includes first and second input signals; an amplifier that amplifies the first signal and transmits a corresponding amplified first signal; an up-conversion mixer that receives the amplified first signal and the second signal through transistors, and mixes the amplified first signal and second signal and generates a radio frequency (RF) signal; and an antenna that receives the RF signal and transmits the signal from the front-end. | 2018-12-27 |
20180375479 | MULTIMODE POWER AMPLIFIER MODULE, CHIP AND COMMUNICATION TERMINAL - A multimode power amplifier module, a chip and a communication terminal. In the module, a control circuit ( | 2018-12-27 |
20180375480 | LEAST MEAN SQUARES ADAPTATION OF A CONCURRENT MULTI-BAND PRE-DISTORTER USING OVERLAPPING SPINES - A method and system for digital pre-distortion of an input signal to compensate for non-linear operation of a power amplifier. According to one aspect, some embodiments provide overlapping spline functions that are defined for two adjacent bins, where any two spline functions overlap in only one bin. Each spline function is computed as a function of one of an input signal envelope and a delayed signal envelope. According to another aspect, a tap weight evaluator includes a least mean squares, LMS, tap correlator updater configured to modulate a step size of an adaptation process to update each tap weight, the step size being modulated based on an approximate logarithm of the average power of the input to a tap weight computation. | 2018-12-27 |
20180375481 | I-V CONVERSION MODULE - An I-V conversion module includes: a current output type sensor, a pre-integral circuit, a charge transfer auxiliary circuit, and an I-V transformation circuit including an inverting amplifier. The current output type sensor is connected to an input end of the I-V transformation circuit through the pre-integral circuit. The charge transfer auxiliary circuit connects in parallel with the inverting amplifier. When both the pre-integral circuit and the charge transfer auxiliary circuit are open circuits, the pre-integral circuit pre-integrates the induction current output by the current output type sensor to store pre-integral charges. When both pre-integral circuit and the charge transfer auxiliary circuit are closed circuits, the pre-integral charges are transferred to the I-V transformation circuit. In these embodiments, both the time for establishing the I-V conversion module and power consumption can be reduced. | 2018-12-27 |
20180375482 | ADAPTIVE-SNR ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE - A microphone circuit including a JFET or MOSFET transistor, one input of an impedance network connected to the transistor's gate, a terminal of a source resistor connected to the transistor's source, another terminal of the source resistor connected to ground, a bypass capacitor connected in parallel to the source resistor, one terminal of a load resistor connected to the transistor's drain, VCC_LOW connected to another terminal of the load resistor, an input of an op-amplifier connected to the transistor's source through a bi-directional low-pass-filter, another input of the op-amplifier connected to reference voltage, an output of the op-amplifier connected to another terminal of the input impedance network through an LPF, an energy detector connected to the transistor's drain via a coupling capacitor, an LPF connected to the energy detector output, and an LPF connected to the output of the energy detector, the input impedance network connected to a microphone. | 2018-12-27 |
20180375483 | WIDE BANDWIDTH ENVELOPE TRACKERS - High bandwidth envelope trackers are provided herein. In certain embodiments, an envelope tracking system for a power amplifier includes a switching regulator that operates in combination with a high bandwidth amplifier to generate a power amplifier supply voltage for the power amplifier based on an envelope of a radio frequency (RF) signal amplified by the power amplifier. The high bandwidth amplifier includes an output that generates an output current for adjusting the power amplifier supply voltage, a first input that receives a reference signal, and a second input that receives an envelope signal indicating the envelope of the RF signal. The second input has lower input impedance than the first input to provide a rapid transient response and high envelope tracking bandwidth. | 2018-12-27 |
20180375484 | PULSE BASED AUTOMATIC GAIN CONTROL FOR ANALOG AND PULSE DOMAIN REGULATION - Various methods and systems are related to pulse-based automatic gain control. In one example, pulse-based automatic gain control (AGC) includes a variable gain amplifier (VGA) configured to amplify an analog input signal to generate an analog output signal based upon an amplification control signal; an integrate-and-fire (IF) sampler configured to generate a pulse train corresponding to the analog output signal; and a gain adjustment configured to generate the amplification control signal based upon a comparison of time between pulses of the pulse train to a reference time. In another example, a method includes determining time between pulses of a pulse train corresponding to an analog output signal from a VGA; generating an amplification control signal based upon a comparison of the time between pulses of the pulse train to a reference time; and adjusting amplification of the VGA in response to the amplification control signal. | 2018-12-27 |
20180375485 | POWER AMPLIFICATION MODULE - Provided is a power amplification module that includes: a first amplification circuit that amplifies a first signal and outputs the amplified first signal as a second signal; a second amplification circuit that amplifies the second signal and outputs the amplified second signal as a third signal; and a feedback circuit that re-inputs/feeds back the second signal outputted from the first amplification circuit to the first amplification circuit as the first signal. The operation of the first amplification circuit is halted and the first signal passes through the feedback circuit and is outputted as the second signal at the time of a low power output mode. | 2018-12-27 |
20180375486 | ANALOG PHASE SHIFTER AND A METHOD FOR SHIFTING PHASE OF RF SIGNALS - This invention relates to analog phase shifters, and more particularly, to analog phase shifters for controlling the phase of an RF signal over a wide range of frequencies with nearly linear phase change. An exemplary phase shifter includes a front end high-low pass filter, a back-end high-low pass filter, and an all-pass filter coupled in series between the two high-low pass filters. At least one of the filters is tunable for controlling the phase of an input signal over a wide range of frequencies. The high-low pass filter comprises low-pass filters as input and output interface for the high-low pass filter to facilitate impedance match for receiving and outputting RF signal. | 2018-12-27 |
20180375487 | METHODS AND APPARATUS OF ADJUSTING DELAYS OF SIGNALS - In some examples, a delay apparatus includes a controllable delay line comprising a plurality of delay elements selectively connected in a signal path to vary a delay of a signal passing through the delay line, and a controllable phase shifter comprising reflective loads adjustable to vary a phase shift applied to the signal. | 2018-12-27 |
20180375488 | TRANSMITTER MATCHING NETWORK USING A TRANSFORMER - An apparatus for a network matching switch is provided. The apparatus includes a primary winding, a first secondary winding, a second secondary winding and a plurality of matching network paths. The primary winding is configured to generate a magnetic field based on an analog input signal. The first secondary winding is configured is inductively coupled to the primary winding. The second secondary winding is inductively coupled to the primary winding. The plurality of matching network paths are coupled to the first secondary winding and the second secondary winding. An active path is selected from the plurality of matching network paths and provides power to an active load. | 2018-12-27 |
20180375489 | ALUMINUM NITRIDE FILM, ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER - An aluminum nitride film contains a Group IV element and a Group II or Group XII element, and an atomic composition ratio of the Group II or Group XII element to the Group IV element is less than 1. | 2018-12-27 |
20180375490 | Structures for Modifying Leaky Mode Light - A method and system for using laser-induced structures to direct light to exit the bottom of a leaky mode device, and further to divide leaky mode light into multiple orders, and to implement one or more pulsing/strobing patterns such that a field of view is increased for a viewer, or the view zone is increased for a viewer. A leaky mode device may comprise a substrate, a surface acoustic wave (“SAW”) transducer, a waveguide having a higher refractive index than the substrate, an input region for input light, and laser induced structures such as grating. The SAW transducer may be positioned on a top surface of the substrate, and may be configured to emit a SAW wave to propagate across the substrate. The waveguide may be positioned below the SAW. The input wave region may be configured to couple light onto the waveguide. When light is coupled onto the waveguide, the refractive index may change such that the light in the waveguide exits the waveguide as leaky mode light and interacts with the laser-induced grating, which is below the waveguide. The laser-induced grating is configured to divide the leaky mode light into multiple orders, each bent at a different angle. | 2018-12-27 |
20180375491 | ACOUSTIC WAVE RESONATOR, FILTER, AND MULTIPLEXER - An acoustic wave resonator includes: a piezoelectric substrate that is a lithium tantalate substrate or a lithium niobate substrate and has a thickness of 20 μm or less; a support substrate that has an upper surface bonded with a lower surface of the piezoelectric substrate And is a glass substrate mainly composed of silicon oxide; a plurality of electrode fingers that are located on an upper surface of the piezoelectric substrate, excite an acoustic wave, and include a metal film mainly composed of at least one of Cr, Mo, and W. | 2018-12-27 |
20180375492 | COMPOSITE FILTER DEVICE - A composite filter device for use in carrier aggregation includes a first bandpass filter connected to an antenna common terminal and including a first pass band, and a second bandpass filter including a second pass band of a higher frequency than the first pass band. The first bandpass filter includes an LiNbO | 2018-12-27 |
20180375493 | SURFACE ACOUSTIC WAVE DEVICE AND METHOD FOR MANUFACTURING THE SAME - A surface acoustic wave device includes a piezoelectric single crystal substrate and an electrode. The piezoelectric single crystal substrate is made of LiTaO | 2018-12-27 |
20180375494 | ARTIFICIALLY ORIENTED PIEZOELECTRIC FILM FOR INTEGRATED FILTERS - The present disclosure relates to semiconductor structures and, more particularly, to artificially oriented piezoelectric films for integrated filters and methods of manufacture. The structure includes: a piezoelectric film with effective crystalline orientations of the polar axis rotated 90 degrees from a natural orientation for planar deposited films; and a conductor pattern formed on a surface of the piezoelectric film. | 2018-12-27 |
20180375495 | ELASTIC WAVE APPARATUS - An elastic wave apparatus includes a multilayer substrate, first through fourth band pass filters, an antenna terminal, and first and second inductors. The multilayer substrate includes first through sixth wiring layers. The first through fourth band pass filters are disposed on the multilayer substrate and are connected to a common node. The antenna terminal is connected to an antenna and also to the common node. The first inductor is connected to the antenna terminal. The second inductor is connected between the first band pass filter and the common node. The first inductor is disposed on the fourth and fifth wiring layers. The second inductor is disposed on the second and third wiring layers which are different from the fourth and fifth wiring layers. The first and second inductors overlap each other at least partially as viewed from above. | 2018-12-27 |
20180375496 | MULTIPLEXER, TRANSMISSION DEVICE, AND RECEPTION DEVICE - A multiplexer includes filters on one principal surface of a mounting substrate and having mutually different frequency bands, and an inductance element which is incorporated in the mounting substrate and one end of which is connected to one end of the filter. The other end of the inductance element and one end of each of the filters, are connected to each other at a common connection point. The inductance element is defined by spiral wiring conductors disposed in first and second wiring layers provided in an inner layer of the mounting substrate. The mounting substrate includes third and fourth wiring layers which are adjacent to the first and second wiring layers, and in which no ground pattern is provided in a portion corresponding to a formation region of the inductance element. | 2018-12-27 |
20180375497 | SEMICONDUCTOR DEVICE - A polycrystalline silicon resistor is large in coefficient of fluctuation in resistance between before and after the completion of a package molding process. To enable highly accurate trimming, it is desired to implement a resistor that is hardly subjected to stress produced in a substrate during a package molding process. A resistance element is formed of a plurality of wiring layers and has a repetitive pattern of a first conductive layer formed in a first wiring layer, a second conductive layer formed in a second wiring layer, and an interlayer conductive layer coupling the first conductive layer and the second conductive layer together. | 2018-12-27 |
20180375498 | SEMICONDUCTOR INTEGRATED CIRCUIT - Provided is a semiconductor device including a sequential circuit including a first transistor and a capacitor. The first transistor includes a semiconductor layer including indium, zinc, and oxygen to form a channel formation region. A node electrically connected to a source or a drain of the first transistor and a capacitor becomes a floating state when the first transistor turns off, so that a potential of the node can be maintained for a long period. A power-gating control circuit may be provided to control supply of power supply potential to the sequential circuit. The potential of the node still can be maintained while supply of the power supply potential is stopped. | 2018-12-27 |
20180375499 | DRIVE CIRCUIT FOR POWER ELEMENT - There is provided a drive circuit for turning on/off a power element which controls a main current flow between a first main electrode and a second main electrode in response to a drive signal applied to a control electrode. The drive circuit includes first and second semiconductor switch elements which are connected in series and interposed between a power supply terminal and a ground terminal, a series connection point thereof being connected to the control electrode, third and fourth semiconductor switch elements which are connected in series and interposed between the power supply terminal and the ground terminal, a series connection point thereof being connected to the second main electrode, and a control circuit which controls turn-on/off of the power element by turning on/off the first to fourth semiconductor switch elements. The first semiconductor switch element has a larger on-resistance than the second to fourth semiconductor switch elements. | 2018-12-27 |
20180375500 | SCAN OUTPUT FLIP-FLOPS - A scan output flip-flop is provided. The scan output flip-flop outputs a scan-out signal at a first output terminal and includes a selection circuit, a control circuit, and a scan-out stage circuit. The selection circuit is controlled by a first test enable signal to transmit a data signal on a first input terminal or a test signal on a second input terminal to an output terminal of the selection circuit to serve as an input signal. The control circuit is coupled to the output terminal of the selection circuit and controlled by a first clock signal to generate a first control signal and a second control signal according to the input signal. The second control signal is the inverse of the first control signal. The scan-out stage circuit is controlled by the first control signal and the second control signal to generate the scan-out signal. | 2018-12-27 |
20180375501 | SET-RESET LATCHES - Examples disclosed herein relate to set-reset (SR) latch circuits and methods for manufacturing the same. In some of the disclosed examples, a SR latch circuit includes an inverter storage loop for storing state information and a set of p-channel field-effect transistors (PFETs) for control circuitry. The PFETs may include first and second PFETs connected to a first node of the inverter storage loop, and third and fourth PFETs connected to a second node of the inverter storage loop. Gate terminals of the first and fourth PFETs may be connected to a first control input, and gate terminals of the second and third PFETs may be connected to a second control input. | 2018-12-27 |
20180375502 | METHOD AND APPARATUS FOR REDUCING IMPACT OF TRANSISTOR RANDOM MISMATCH IN CIRCUITS - An analog circuit including a pair of input nodes and a pair of output nodes is coupled to a mismatch reduction circuit including an input node, an output node, a phase controller that times even and odd phases, an input switch, and an output switch. The input switch electrically connects the mismatch reduction circuit input node to a first node of the pair of analog circuit input nodes during each even phase and to electrically connects the mismatch reduction circuit input node to a second node of the pair of analog circuit input nodes during each odd phase. The output switch electrically connects a first node of the pair of analog circuit output nodes to the mismatch reduction circuit output node during each even phase and electrically connects a second node of the pair of analog circuit output nodes to the mismatch reduction circuit output node during each odd phase. | 2018-12-27 |
20180375503 | FET DRIVING CIRCUIT - A FET driving circuit includes: two inputs for inputting a DC voltage; two outputs respectively connected to gate and source electrodes of a FET; a switch; a resonant capacitance connected between both ends of the switch; and an LC resonance circuit connected between the inputs and both ends of the switch. When the two inputs are shorted, frequency characteristics of an impedance of the LC resonance circuit include, in order from a low to a high-frequency side, first to fourth resonant frequencies. The first resonant frequency is higher than a switching frequency of the switch, the second resonant frequency is around double the switching frequency, the fourth resonant frequency is around four times the switching frequency, and the impedance has local maxima at the first resonant frequency and the third resonant frequency and local minima at the second resonant frequency and the fourth resonant frequency. | 2018-12-27 |
20180375504 | FET DRIVING CIRCUIT - A FET driving circuit includes: inputs into which a DC voltage is inputted; outputs connected to gate and source electrodes of a FET; a switch; a capacitance connected across the switch; and an LC resonance circuit connected in series with the switch across the inputs. A voltage generated across the switch during switching is outputted to drive the FET. The LC resonance circuit has a first connector connected to one input and a second connector connected to the switch, and is configured with a path including an inductance and a path including an inductance and a capacitance. An impedance between the first and second connectors has two resonant frequencies. The impedance has a local maximum at the lower resonant frequency, which is higher than a switching frequency, and a local minimum at the higher resonant frequency, which is around double the switching frequency. | 2018-12-27 |
20180375505 | SYSTEM AND METHOD FOR LIMTING CURRENTS IN A POWER DISTRIBUTION SYSTEM - An apparatus and method for controlling voltage sharing between a set of switching components can include applying power from a current source with a positive lead and a negative lead, closing the set of switching components to connect power from the current source to an electrical load, detecting a set of voltage values for the set of switching components, and controlling a current limiting function of at least one of the set of switching components. | 2018-12-27 |
20180375506 | SEMICONDUCTOR DEVICE AND ELECTRONIC CONTROL UNIT - A hot sensor detects a temperature of an output transistor and a cold sensor detects a temperature of a position distant from the output transistor. When the temperature of the hot sensor rises more than a reference temperature, a temperature detecting circuit asserts an overtemperature detecting signal, and when a temperature difference between the hot sensor and the cold sensor is more than a reference temperature difference, the above circuit asserts the temperature difference detecting signal. A current limiting circuit generates a limited current signal sequentially variable with the negative temperature characteristic for the temperature of the cold sensor and controls a drive current of the output transistor to a current value depending on the signal level of the limited current signal when the overtemperature detecting signal is asserted. | 2018-12-27 |
20180375507 | Apparatus with Electronic Circuitry Having Reduced Leakage Current and Associated Methods - An apparatus includes an integrated circuit (IC), which includes complementary metal oxide semiconductor (CMOS) circuitry. The CMOS circuitry includes a p-channel transistor network that includes at least one p-channel transistor having a gate-induced drain leakage (GIDL) current. The IC further includes a native metal oxide semiconductor (MOS) transistor coupled to supply a bias voltage to the at least one p-channel transistor to reduce the GIDL current of the at least one p-channel transistor. | 2018-12-27 |
20180375508 | POWER SWITCHING APPARATUS - A power switching apparatus includes a plurality of semiconductor switching devices connected in parallel with each other and a plurality of balance resistor units. The plurality of balance resistor units each have one end connected to a control electrode of an associated semiconductor switching device and the other end to which a common control signal is input. Each balance resistor unit is configured to have a resistance value switched between different values depending on whether the plurality of semiconductor switching devices are turned on or turned off in accordance with the control signal. | 2018-12-27 |
20180375509 | GATE DRIVE CIRCUIT, POWER CONVERSION APPARATUS, AND RAILWAY VEHICLE - A gate drive circuit to prevent a false turn-on phenomenon includes a first, second, third and fourth switching element, and a capacitor. A source of the first switching element is connected to a first voltage, and a drain of the same is connected to the main switching element's gate electrode. A source of the second switching element is connected to a second voltage, and a drain of the same is connected to the gate electrode. A source of the third switching element is connected to the first voltage, and a drain of the same is connected to a first electrode of the capacitor. A source of the fourth switching element is connected to the second voltage, and a drain of the same is connected to the first electrode and to the drain of the third switching element. A second electrode of the capacitor is connected to the gate electrode. | 2018-12-27 |
20180375510 | RF Switch with Bypass Topology - An RF signal switch circuit that allows connection of any of N radio frequency (RF) input terminals to a switch output port, either in a low loss mode, in a bypass mode, or, optionally, in a signal function mode. Embodiments of the invention allow for both a single switch in the series input path to a target circuit while still having the ability to isolate the bypass path from the target circuit. In the low loss and bypass mode, the circuit simultaneously exhibits low input insertion loss (and thus a low noise factor) and high bypass mode isolation. | 2018-12-27 |
20180375511 | POWER-ON RESET CIRCUIT - A Power-on Reset circuit is described. The Power-on Reset is formed by two comparators and a latch circuit. The Power-on Reset circuit will de-assert the reset state once the supply voltage reaches a first reference point and re-assert the reset state once the supply voltage drops below a second reference point. The Power-on Reset circuit disclosed further includes circuits to initialize properly and to ensure the regulator voltage and the bandgap voltages are stable and above the ground level voltage. | 2018-12-27 |
20180375512 | POWER ON RESET CIRCUIT - A power on reset circuit, comprising: a threshold level control circuit ( | 2018-12-27 |
20180375513 | Proximity Sensor and Proximity Sensing Module - A proximity sensor for a non-aperture mechanism includes a control circuit for generating a control signal; a first light-emitting element for emitting a first light source according to the control signal of the control circuit; a second light-emitting element for emitting a second light source according to the control signal of the control circuit; and a light sensing element coupled to the control circuit, for sensing the first light source and the second light source reflected by an object, and determining a distance between the proximity sensor and the object according to light intensities of the reflected first light source and the reflected sensed second light source; wherein the light sensing element and the first light-emitting element have a first distance therebetween, the light sensing element and the second light-emitting element have a second distance therebetween, and the second distance is greater than the first distance. | 2018-12-27 |
20180375514 | PROXIMITY SENSOR - A proximity sensor for detecting the proximity of an object, including a sensing element, a detection circuitry provided on a circuit board, and a housing with a rear portion adjoining a rear end of the housing and a front portion adjoining a front end of the housing, the sensing element being arranged inside the front portion of the housing to interact with the object through the front portion, the detection circuitry being interconnected with the sensing element to receive a detection signal from the sensing element, the housing including side walls extending in a longitudinal direction from the rear end to the front end of the housing, the side walls surrounding the circuit board. To allow a better flexibility of the sensor along its length expansion, the circuit board includes at least one bendable section extending in a transverse direction with respect to the longitudinal direction and that the side walls substantially consist of at least one flexible material in a region surrounding the bendable section of the circuit board such that the sensor is bendable through the transverse direction. | 2018-12-27 |
20180375515 | ADVANCED CAPACITIVE PROXIMITY SENSOR - A proximity sensor, and a portable device equipped therewith, with at least two sense electrodes, one influencing the other. By reading twice the capacity of one electrode, while either setting the potential of the counter-electrode to guard or letting it float, the sensor of the invention discriminates between a body part, or another electrically equivalent object, and low-permittivity objects. | 2018-12-27 |
20180375516 | SENSOR APPARATUS FOR DETECTING A TARGET OBJECT AND A METHOD FOR OPERATING A SENSOR APPARATUS FOR DETECTING A TARGET OBJECT - A sensor apparatus for detecting a target object is provided, together with a corresponding method for operating the sensor apparatus. The sensor apparatus comprises a transmitter device which is operated by periodic excitation signals at a basic frequency, a receiver device which couples to the transmitter device, wherein the coupling is dependent on a relative position of the target object with respect to the receiver device, and the receiver device delivers signals at the basic frequency which are dependent on the relative position of the target object with respect to the receiver device. A threshold value checking device checks whether signals lie within or outside a threshold value range. A linking device acts on signals from the receiver device or signals derived therefrom in such a way that signals or signal combinations are shifted into the threshold value range insofar as they previously lay outside this range. | 2018-12-27 |
20180375517 | ELECTRONIC ASSEMBLY FOR PERIPHERAL DEVICES OF AN AIRCRAFT - The invention relates to an electronic assembly for peripheral devices such as sensors of an aircraft, comprising three generic interfaces differing from one another for coupling the assembly to at least one peripheral device and at least one digital evaluation unit, in particular arranged downstream, wherein the assembly is couplable to the peripheral device via at least one interface. | 2018-12-27 |