07th week of 2022 patent applcation highlights part 58 |
Patent application number | Title | Published |
20220052552 | SYSTEM FOR DESIGNING A LOW-VOLTAGE DISTRIBUTION NETWORK AT A SECONDARY UNIT SUBSTATION - A system, having a controller, with a 3-phase measurement sensor, wherein the 3-phase measurement sensor is connected at least for current measurement to a low-voltage feeder of a secondary unit substation, and wherein a distribution network with producers and/or consumers is connected to the low-voltage feeder. The controller and the 3-phase measurement sensor are arranged in the secondary unit substation. The controller has a data interface for detecting electrical measurement values of the connected 3-phase measurement sensor with associated timestamp. The controller has a communication interface for connection to a higher-level unit outside of the secondary unit substation. The controller has a first memory area in a local memory for storing the measurement values with associated timestamp. | 2022-02-17 |
20220052553 | MAGNETIC ALIGNMENT OF TRANSCUTANEOUS ENERGY TRANSFER COILS - A transcutaneous energy transfer system (TETS) that includes external and internal coils that have permeable cores is provided. According to one aspect, the TETS includes an external coil having disposed in proximity thereto, a first set of at least one permeable core that is wound by windings of the external coil. The TETS also includes an internal coil having disposed in proximity thereto, for each permeable core disposed in proximity to the external coil, a corresponding permeable core that is wound by windings of the internal coil. | 2022-02-17 |
20220052554 | CONTACTLESS POWER TRANSMISSION SYSTEM FOR TRANSMITTING POWER FROM POWER TRANSMITTER APPARATUS TO POWER RECEIVER APPARATUS, AND SUPPLYING LOAD DEVICE WITH DESIRED VOLTAGE - A detection circuit detects at least one of a value of a current flowing through a power transmitting coil, and a value of a current or voltage generated by an auxiliary coil. A control circuit determines a transmitting frequency based on the value detected by the detection circuit, the transmitting frequency at least locally minimizing load dependence. The control circuit determines a voltage for the transmitting power at which an output voltage of a power receiver apparatus is equal to a predetermined target voltage when generating the transmitting power having the transmitting frequency determined, and controls the power supply circuit to generate the transmitting power having the transmitting frequency and voltage determined. | 2022-02-17 |
20220052555 | CONTACTLESS POWER TRANSMISSION SYSTEM FOR TRANSMITTING POWER FROM POWER TRANSMITTER APPARATUS TO POWER RECEIVER APPARATUS, AND DETECTING FOREIGN OBJECT - A first detector detects a value of a current or voltage generated by an auxiliary coil. A second detector detects a value of a current flowing through a power transmitting coil. A coupling coefficient estimator estimates a first coupling coefficient between the power transmitting coil and a power receiving coil, based on the value of the current or voltage generated by the auxiliary coil, and estimates a second coupling coefficient between the power transmitting coil and the power receiving coil, based on the value of the current flowing through the power transmitting coil. A control circuit controls a power supply circuit to stop power transmission to a power receiver apparatus when a difference between the coupling coefficients is greater than a threshold. | 2022-02-17 |
20220052556 | Digital Ping Selection In A Multi-Coil Wireless Charging Device - Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured to cause the charging circuit to send pings from a plurality of charging coils using an analog ping process to scan for one or more ping responses from a receiving device in proximity to the charging surface. A subset of charging coils of the plurality of charging coils that received ping responses from the receiving device in response to the sending of pings with the analog process may be determined. Subsequently, the controller then sends pings from the subset of charging coils using a digital ping process. A combination of one or more charging coils of the subset of charging coils may then be selected based on ping responses from the receiving device. | 2022-02-17 |
20220052557 | Dynamic Digital Ping Power - Systems, methods and apparatus for wireless charging are disclosed. One method performed at a wireless charging device includes transmitting a first ping at a first power level through a power transmitting coil in the wireless charging device and, until a response is received from a chargeable device or until a ping with a maximum power level has been transmitted, determining whether a voltage measured at the power transmitting coil is modulated with the response and transmitting a next ping at an increased power level through the power transmitting coil in the wireless charging device when the response is not received. The method may include determining a charging configuration for transferring power to the chargeable device when the response is received. | 2022-02-17 |
20220052558 | NON-CONTACT POWER SUPPLY DEVICE AND POWER TRANSMISSION DEVICE - A power transmission device includes a transmission coil that supplies power to a power reception device, a power supply circuit that converts DC power supplied from a DC power source via a plurality of switching elements connected in a full bridge shape or a half bridge shape between DC power sources and the transmission coil into AC power and supplies the AC power to the transmission coil, a phase adjustment circuit having an LC series circuit connected in parallel with the transmission coil and a switching element connected in series with the LC series circuit, and a control circuit that controls switching on and off of the switching element of the phase adjustment circuit in accordance with a measured value of an amount of current when any of the plurality of switching elements of the power supply circuit is turned off by a current detection circuit. | 2022-02-17 |
20220052559 | WIRELESS POWER TRANSFER - A device is described having one or more conductive loops to produce an electromagnetic field, such as for wireless power transfer to an electronic device. In some examples, an antenna is used with at least one resonating capacitor ring that is relatively co-planar with the antenna, and that is magnetically coupled to the antenna but is not electrically powered by an external source. In addition, a device is described having two or more thin-film coils, each coil comprising a pair of terminals and at least one loop defining a plane and an interior region. In some examples, the planes of the two or more coils are disposed substantially parallel to one another, the interior regions of the two or more coils at least partially overlap one another, and the pairs of terminals of the antennae are electrically connected in parallel. | 2022-02-17 |
20220052560 | Anytime Beaconing In A Wireless Power Transmission System - Systems and methods are described for operating a wireless power transmission system. The wireless power transmission system receives a beacon signal delivered from and initiated by a wireless power receiver client configured to receive wireless power from the wireless power transmission system. The wireless power transmission system also delivers wireless power to the wireless power receiver client and simultaneously detects for additional encoded beacon signals delivered from and initiated by additional wireless power receiver clients. | 2022-02-17 |
20220052561 | Adaptive Foreign Object Detection Avoidance In A Multi-Coil Wireless Charging Device - Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured detect the presence of a foreign object in proximity to at least one charging coil of a plurality of charging coils in the charging device that is selected for supplying charging energy to a receiving device. Additionally, the controller may be configured to determine whether one or more other charging coils is capable of supplying charging energy to the receiving device, and determine, for each of the one or more other charging coils, whether the foreign object is in proximity thereto. Further, the controller may be configured to select at least one of the one or more other charging coils not in proximity to the foreign object for supplying charging energy to the receiving device. | 2022-02-17 |
20220052562 | WIRELESS POWER RECEIVER AND WIRELESS POWER TRANSMITTER - According to one aspect of the present disclosure, a wireless power receiver comprises: a power pickup unit configured to receive wireless power from a wireless power transmitter by forming magnetic coupling with the wireless power transmitter; and a communication/control unit configured to perform transmission control for the wireless power and transmission and/or reception of data on the basis of communication with the wireless power transmitter, wherein the communication/control unit can transmit a packet including information about an authentication initiator (AI), and provide a user interface related to changing information about the AI. | 2022-02-17 |
20220052563 | WIRELESSLY CHARGING MOBILE PHONE VIA NOTEBOOK TOUCHPAD - A mobile device can be used to control a computing device different from the mobile device. The mobile device includes a processor configured to receive user input through a graphical user interface (GUI) of the mobile device. The processor can be configured to generate the GUI after detecting a magnetic field generated by a wireless power transmitter. The GUI includes a simulated button and/or an interface configured to receive tactile input indicative of spatial information. The processor is configured to provide information indicative of user input to the computing device to control the computing device. | 2022-02-17 |
20220052564 | SYSTEMS AND METHODS FOR SECURE WIRELESS TRANSMISSION OF POWER USING UNIDIRECTIONAL COMMUNICATION SIGNALS FROM A WIRELESS-POWER-RECEIVING DEVICE - An exemplary embodiment of secure wireless transmission of power using unidirectional communication signals from a wireless-power-receiving device. The method includes, receiving, from a wireless-power-transmitting device that includes a first communications radio, a first wireless-power-transmission signal at a wireless-power-receiving device that includes a second communications radio. In response to receiving the first wireless-power-transmission signal: broadcasting, via the second communications radio of the wireless-power-receiving device and without establishing a communications channel between the first and second communications radios, a data packet, the data packet including information identifying (i) at least one power requirement of a power source of the wireless-power-receiving device (ii) an amount of power received by the wireless-power-receiving device from the first wireless-power-transmission signal. After broadcasting the data packet, receiving, from the wireless-power-transmitting device, additional wireless-power-transmission signals at the wireless-power-receiving device, wherein the wireless-power-transmitting device transmits each of the additional wireless-power-transmission signals using a predetermined sequence of different transmission characteristics. | 2022-02-17 |
20220052565 | Resonant Reflection Device Detection - Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured to cause the charging circuit to cause an excitation flux to be transmitted from the charging device, determine that a compatible chargeable device is available for charging by the charging device when resonance is detected in response to the excitation flux, and provide a charging current to a power transmitting coil of the charging device. The excitation flux may be transmitted in a first range of frequencies that includes a first nominal resonant frequency associated with compatible chargeable devices. The charging current may be provided in a second range of frequencies that includes a second nominal resonant frequency associated with the compatible chargeable devices. | 2022-02-17 |
20220052566 | STATOR AND MOTOR ASSEMBLY INCLUDING SAME - The present invention provides a stator and a motor assembly including the same. The stator includes: a stator core disposed outside a rotor core and having an inner surface inclined with respect to a rotation axis of a rotor; a plurality of coil-wound teeth extending from the inner surface of the stator core towards the rotation axis, wherein a coil is wound around each of the plurality of coil-wound teeth; and openings formed by sidewalls of the plurality of coil-wound teeth and the inner surface of the stator core, wherein a cross-sectional area of the openings changes along a direction of the rotation axis. | 2022-02-17 |
20220052567 | FAN - A fan is provided. The fan has a motor and a first rotating shaft. The motor has a stator assembly, a rotor and a winding. The stator assembly has a stator yoke portion and a stator tooth detachably connected to each other. The winding is wound on the stator tooth. The stator yoke portion has a stator yoke slot and/or a stator projection, adapted to the shape of the stator tooth. The stator tooth axially pass through the stator yoke slot and/or the stator projection to form a stator core. A first fan blade is arranged at an end of the first rotating shaft to rotate the first fan blade when the first rotating shaft rotates. | 2022-02-17 |
20220052568 | STATOR CORE AND MOTOR - In the stator core, recessed surface portions uniformly recessed toward an inner side in a radial direction over a range wider than a width of each of pole teeth are respectively formed on an outer peripheral surface where an annular back yoke and each of the pole teeth provided to protrude on the inner side in the radial direction cross each other. | 2022-02-17 |
20220052569 | ELECTRIC MACHINE AND METHOD FOR MANUFACTURE - An electric machine may include a substantially annular stator stack having a plurality of laminations which include mounting ears. A fraction of the laminations may be oriented such that the mounting ears are angularly offset from the others. The stator may be secured to a housing at both mounting ear locations thus improving structural rigidity and enhancing performance. | 2022-02-17 |
20220052570 | ADHESIVELY-LAMINATED CORE FOR STATOR, METHOD OF MANUFACTURING SAME, AND ELECTRIC MOTOR - An adhesively-laminated core for a stator capable of suppressing an iron loss of an electric motor and also having excellent productivity is provided. The adhesively-laminated core for a stator includes a plurality of electrical steel sheets which are stacked on one another and of which both surfaces are coated with insulation coatings, and adhesion parts which are disposed between the electrical steel sheets adjacent to each other in a stacking direction and cause the electrical steel sheets to be adhered to each other. All sets of the electrical steel sheets adjacent to each other in the stacking direction are adhered via the adhesion parts. An adhesive forming the adhesion parts is a two-agent type acrylic-based adhesive (SGA) which includes an acrylic-based compound, an oxidizer, and a reducer and in which a portion of the acrylic-based compound and the oxidizer are assigned to a first agent and the remaining portion of the acrylic-based compound and the reducer are assigned to a second agent. The adhesion parts are partially provided between the electrical steel sheets adjacent to each other in the stacking direction. | 2022-02-17 |
20220052571 | ENHANCEMENTS TO COOLING MEANS FOR AXIAL FLUX GENERATORS - A generator comprising a series of spaced annular stators sandwiched between a series of rotors, the rotors each being separated by annular collars, the annular collars defining a central cavity; at least one cooling gas source for supplying gas to the central cavity; vents through the annular collars for providing a means of egress for the cooling gas from the central cavity radially outwards over the rotors and the annular stators and the front, rear and side walls of coils embedded in the annular stators. | 2022-02-17 |
20220052572 | ELECTRIC MACHINE AND HYBRID ELECTRIC VEHICLE - The disclosure relates to an electric machine and a hybrid electric vehicle. The electric machine includes at least one first group of superconducting coils arranged to guide a magnetic flow at least along a U-shaped course. The hybrid electric aircraft is, in particular, an aeroplane and has an electric machine of this type. | 2022-02-17 |
20220052573 | INTERIOR BUS BAR FOR ELECTRIC MACHINE WINDING - An electric machine includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The in-slot portions are positioned in slots of the core. The end turns extend from the in-slot portions at ends of the core. The leads extend from the in-slot portions and axially past the end turns. A bus bar assembly is positioned radially inward from the end turns. The bus bar assembly includes an arc portion, a plurality of axial lead connectors, and a plurality of axial phase terminals. The arc portion is positioned axially within the end turns. The axial lead connectors extend axially past the end turns and are connected to the leads. The axial phase terminals also extend axially past the end turns. | 2022-02-17 |
20220052574 | LOCKING WEDGE SYSTEM HAVING OPPOSING WEDGES WITH INTERLOCKING DETENT - A locking wedge system for securing a stator coil in a slot of a stator core includes a slot layer positioned on the stator coil to inhibit movement of the stator coil within the slot, an outer wedge including a first tapered surface, an inner locking wedge positioned on the slot layer, the inner locking wedge including a second tapered face that interfaces with the first tapered face, a locking member configured to lock the inner locking wedge to the stator core, and an interlocking mechanism to couple the outer wedge to the inner locking wedge. | 2022-02-17 |
20220052575 | STATOR FOR AN ELECTRIC MACHINE - A stator for an electric machine is provided having a winding with plurality of interconnected conductors assigned to one or more phases. The ends of at least some of the conductors protrude axially or radially beyond the winding at the inner circumference or at the outer circumference of the winding, wherein an interconnection ring, to which the conductors are connected, is positioned axially or radially on the winding. The ends of in each case at least two conductors assigned to one phase protrude radially or axially outwards and are connected to a power connection arranged radially outside the winding. | 2022-02-17 |
20220052576 | ELECTRIC MACHINE - An electric machine ( | 2022-02-17 |
20220052577 | UNENCLOSED ELECTRIC TRACTION MACHINE - An unenclosed electric traction machine has a stator built up from a stator laminated core, and a rotor shaft with a rotor, mounted on the latter, built up from a rotor laminated core, wherein the stator laminated core is arranged between two outer pressing plates, and at least one bearing shield, which in each case has a bearing for the rotor shaft. Along a section of the periphery of the stator laminated core, and spaced apart from the stator laminated core, at least one cover, designed as a tension bar between the pressing plates, is arranged between the pressing plates so as to form at least one cooling box, with a base on the surface of the stator laminated core, wherein the at least one intermediate space between the base and the at least one cover of the cooling box is designed for the routing of a cooling fluid. | 2022-02-17 |
20220052578 | A ROTARY DEVICE, A MOTOR AND A METHOD OF COOLING A MOTOR - The invention provides a motor for generating rotary power, the motor comprising: a stator for receiving electrical power; a rotor arranged coaxially with respect to the stator and having one or more magnets arranged thereon so that in response to the stator receiving the electrical power, the rotor is caused to rotate; the rotor comprising a rotor housing having an inner wall, the magnets being arranged around the housing, and wherein the inner wall has plural tortuous paths for the flow of coolant extending along the length of the rotor housing. Preferably, the motor has an output shaft arranged at least partially axially within the rotor housing; the inner wall being shaped for engagement with and so as to drive the output shaft. | 2022-02-17 |
20220052579 | MOTOR - The present invention may provide a motor comprising: a housing; a stator disposed in the housing; a rotor disposed in the stator; and a shaft coupled to the rotor. The stator comprises: a stator core; an insulator disposed on the stator core; and a coil disposed at the insulator. The insulator comprises: a body at which the coil is disposed; a first guide which is extended from one side of the body; and a first protrusion and a second protrusion which protrude from the upper surface of the first guide. The first protrusion and the second protrusion are disposed to be spaced apart from each other so as to form a space in the circumferential direction with reference to the center of the stator. | 2022-02-17 |
20220052580 | ROTATIONAL MOTOR - A rotational motor that comprises a stator and a rotor and at least two magnets comprising a permanent magnet and an electromagnet, wherein one of the magnets is attached to the stator and one of the magnets is attached to the rotor. The magnets are relatively aligned such that when the electromagnet is switched off, the permanent magnet is attracted to a ferromagnetic core of the electromagnet causing the rotor to rotate relative to the stator, and when the electromagnet is switched on, the permanent magnet is repelled from the electromagnet causing the rotor to continue to rotate relative to the stator. | 2022-02-17 |
20220052581 | ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM - A method is provided for operating an energy storage device that has a horizontal flywheel ( | 2022-02-17 |
20220052582 | ELECTRICAL POWER GENERATING APPARATUS - An electrical power generating apparatus for generating electrical power using a generator connected directly or indirectly to a flywheel is disclosed. The apparatus comprises platforms, protrusions, generators, flywheels and other components. The platforms are configured to be laid on a surface and easily allow an object, e.g., a vehicle to traverse over the platforms. Each protrusion is configured to move downward and upward through apertures located in a top portion of the platform. The protrusions interact with reset members. The protrusions move in a linear/angle downward/downward-upward motion when the object pushes/strikes/depresses the protrusions. Each protrusion is connected in an operative manner to a shaft via a gear, and/or to a lever which is connected in an operative manner to shaft, thereby rotating the shaft by converting linear motion to rotational motion. A generator, flywheel, and gearbox can be coupled to the shaft. | 2022-02-17 |
20220052583 | DRIVE TRAIN WITH AN ELECTRIC MACHINE AND AN INVERTER, AND MOTOR VEHICLE - A drive train ( | 2022-02-17 |
20220052584 | MULTI-LENS CAMERA SYSTEM AND DRIVING MECHANISM THEREOF - A driving mechanism for driving an optical element is provided, including a fixed module, a movable module, and a drive assembly disposed on the fixed module and the movable module. The drive assembly includes a magnet and a coil for moving the movable module relative to the fixed module along a first axis. Specifically, the central axis of the magnet extends through a part of the coil and is offset from the center of the coil, wherein the central axis is perpendicular to the first axis. | 2022-02-17 |
20220052585 | DISPLACEMENT DEVICE BASED ON HALL-EFFECT SENSORS AND PLANAR MOTORS - The present invention discloses a displacement device based on Hall-effect sensors and planar motors. The device at least comprises a planar motor stator, a planar motor mover, and a Hall-effect sensor array, a magnet array on the planar motor stator extends on a first plane substantially parallel to a direction X and a direction Y to form a working area, a coil array on the planar motor mover is configured on a second plane parallel to the first plane, an interaction between the coil array and the magnet array causes the planar motor mover to produce a displacement of at least two degrees of freedom within the working area, the magnet array is configured by first magnet blocks and second magnet blocks alternately in rows and columns, the Hall-effect sensor array is composed of a plurality of Hall-effect sensors, and installed on the planar motor mover, a size of the magnet blocks of the magnet array in the direction X is not less than twice a column spacing of the Hall-effect sensor array, and the size of the magnet blocks of the magnet array in the direction Y is not less than twice a row spacing of the Hall-effect sensor array. | 2022-02-17 |
20220052586 | STATOR - A stator for a rotary electric machine includes a stator core and a stator winding. The stator core has a hollow cylindrical shape and includes slots. The stator winding includes segment conductors held in the slots. The slots extending outward in a radial direction from an inner peripheral surface of the stator core. The slots include first and second slots. The second slot is shallower than the first slot. The segment conductors include a segment conductor including a first rectilinear portion held in the first slot, a second rectilinear portion held in the second slot, and a coupler coupling the first rectilinear portion and the second rectilinear portion to each other. The first rectilinear portion and the second rectilinear portion protrude from an end surface of the stator core. | 2022-02-17 |
20220052587 | DRIVE SYSTEM AND METHOD FOR ACTUATING A DRIVE SYSTEM WITH AN ELECTRIC MOTOR AND ELECTRIC DEVICE - In a drive system and a method for actuating a drive system having an electric motor and an electric device, which has an electronic circuit feeding the electric motor, the electric device includes a module, the electric device, e.g., the electronic circuit, being able to be connected to a processor, e.g., an actuation PC, for a data exchange, e.g., for actuating the drive system. The module is inserted into a depression, e.g., a recess, of the electric device, and the module including operable switches, e.g., DIP switches, and a memory for storing first parameters. | 2022-02-17 |
20220052588 | Apparatus for Twisting Welding Portion of Segment Type Stator Coil - An apparatus for twisting welding portions of a segment type stator coils is provided. The welding portions are in a number of layers and inserted into slots of a stator core. The apparatus includes a frame, a number of twisting jigs, and a partition member detachably provided at one of a pair of neighboring twisting jigs, and blocking the coil receiving recesses facing each other of the twisting jigs forming the pair. Each of the twisting jigs is provided for each layer of the stator coils, along a radial direction of the stator core, forming coil receiving recesses along a circumferential direction facing another twisting jig forming a pair, installed on the frame to be rotatable in different directions depending on layers of the stator coils, and is generally ring-shaped. | 2022-02-17 |
20220052589 | RADIAL-AXIAL AIR GAP THREE-PHASE DISC-TYPE TRANSVERSE FLUX PERMANENT MAGNET MOTOR - Disclosed is a radial-axial air gap three-phase disc-type transverse flux permanent magnet motor. Each phase includes a stator consisting of shoe-shaped stator cores and shoe-shaped permanent magnets, and a radial-axial rotor. The permanent magnets are magnetized in the circumferential direction, and the magnetization directions of the two adjacent permanent magnets are opposite to each other. Armature windings are wound in the grooves formed by the alternately arranged stator cores and the permanent magnets. The radial-axial rotor includes radial teeth, axial teeth, and right-angled yokes. The radial teeth are connected to the axial teeth through the right-angled yokes. Adjacent radial/or axial teeth are spaced at a mechanical angle of 360/n degrees. Radial teeth and the adjacent axial teeth under the same pole pairs are spaced at a mechanical angle of 180/n degrees, where n is the number of pole pairs of the radial-axial air gap three-phase disc-type transverse flux permanent magnet motor. | 2022-02-17 |
20220052590 | MOVABLE PERMANENT MAGNET STATOR ELECTRIC MOTOR - An electric motor with a movable permanent magnet stator is disclosed. The electric motor includes a rotor with an armature having a plurality of windings about the armature. A plurality of stator magnets are disposed about the rotor. The plurality of stator magnets a selectively positionable between a proximal position, in close proximity to the rotor, and a distal position, away from the rotor. An actuator is coupled to the plurality of stator magnets, the actuator operable to position the plurality of stator magnets between the proximal position and the distal position. The output of the electric motor is controlled by moving the stator magnets towards and away from rotor, rather than applying varying amounts of electricity to the rotor. | 2022-02-17 |
20220052591 | ELECTRIC MACHINE SYSTEMS - An electric machine system described herein comprises a first electric machine rotor, a first gear and a second gear. The first gear is connected to the first electric machine rotor and to a first input/output shaft. The second gear is connected to the first electric machine rotor and to a second input/output shaft. The first electric machine rotor is disposed between the first gear and the second gear. | 2022-02-17 |
20220052592 | ELECTRIC MACHINE SYSTEMS - An electric machine system described herein comprises a first electric machine rotor, a first gear and a second gear. The first gear is connected to the first electric machine rotor and to a first input/output shaft. The second gear is connected to the first electric machine rotor and to a second input/output shaft. The first electric machine rotor is disposed between the first gear and the second gear. | 2022-02-17 |
20220052593 | Rotary Machine Having a Position Sensor - A rotary machine, in particular electric motor, includes a position sensing means for sensing a rotational position of a pole wheel that is rotatable about an axis of rotation. The pole wheel has a circumferential edge, and the position sensing means has at least one first position sensor for sensing a change in a magnetic field, at least one magnetic element arranged on the pole wheel, and at least one circuit card on which electronic components are arranged. The first position sensor is arranged at least indirectly on the circuit card. The first position sensor extends at least partially into a space of the pole wheel that surrounded by the circumferential edge. | 2022-02-17 |
20220052594 | VIBRATOR GENERATOR HAVING SWING UNIT, FRAME AND ELASTIC MEMBER - A vibrator includes a frame, a swing unit, and an elastic member. The swing unit is disposed within the frame and holds a magnet. The elastic member connects the swing unit and the frame. The swing unit is movable with respect to the frame while deforming the elastic member. The frame, the swing unit, and the elastic member are integrally molded with each other. | 2022-02-17 |
20220052595 | LINEAR MOTOR SYSTEM AND OPERATING METHOD FOR THE SAME - The invention relates to a linear motor system, in particular a transport system, e.g. a multi-carrier, having a plurality of or for a plurality of carriers, and having a guide track for the carriers, wherein, at the guide track, a first magnetic sensor for determining a magnetic field with respect to a first spatial direction and for outputting a first sensor signal and a second magnetic sensor for determining a magnetic field with respect to a second spatial direction and for outputting a second sensor signal are provided, wherein the control device is configured to determine position information relating to a carrier on the basis of the first sensor signal and to determine identification information relating to a carrier on the basis of the second sensor signal. | 2022-02-17 |
20220052596 | MAGNETIC GEARED MOTOR - A magnetic geared motor ( | 2022-02-17 |
20220052597 | DRIVING CIRCUIT AND DRIVING METHOD - A driving circuit and a driving method are provided. The driving circuit includes an energy-storage capacitor, a first power converter and a bidirectional converter. An output port of the first power converter is coupled to a load and the energy-storage capacitor. The energy-storage capacitor is connected in parallel with the load. The bidirectional converter is coupled between the load and the energy-storage capacitor. The first power converter supplies power to the load during a light load interval. During at least a part of the light load interval, the first power converter charges the energy-storage capacitor via the bidirectional converter. During a heavy load interval, the first power converter supplies power to the load and the energy-storage capacitor supplies power to the load via the bidirectional converter. The driving circuit is applicable to drive a load requiring low average power and high peak power. | 2022-02-17 |
20220052598 | METHOD FOR CONTROLLING SEMICONDUCTORS - In a method for controlling a plurality of semiconductors that form a power converter, a protocol for controlling the plurality of semiconductors is transmitted via a signal line between a control unit and the semiconductors. Additionally transmitted via the signal line is a sign-of-life signal, wherein the semiconductors are switched off, when the sign-of-life signal is absent, and the semiconductors of the power converter are switched using optimized pulse patterns. | 2022-02-17 |
20220052599 | CIRCUIT DEVICE FOR REDUCING COMMON-MODE INTERFERENCE OF A POWER CONVERTER - The invention relates to a circuit device (100) for reducing common-mode interference of a power converter ( | 2022-02-17 |
20220052600 | DC-DC CONVERTER FOR SOLAR LINKED ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREOF - According to an embodiment, disclosed are a DC-DC converter for compensating for a ripple, in a solar linked energy storage system, and a control method thereof. In particular, disclosed is a DC-DC converter for compensating for a ripple generated in a DC link where a single phase inverter and a converter are connected. The DC-DC converter may obtain a frequency of a grid to compensate for the ripple. | 2022-02-17 |
20220052601 | POWER DELIVERY CONTROL AND OVER CURRENT PROTECTION - An apparatus comprises a switch, a current monitor, and a controller. During operation, the switch controls an amount of current through the load. The current monitor samples a magnitude of the current through the load, a magnitude of which varies over time during a time duration. Based on integrating the sample magnitudes of the current through the load over the time duration, the current monitor produces a current sense value. The current sense value is representative of an amount of current through the load. The controller controls an operational state of the switch based upon a comparison of the current sense value with respect to an over-current threshold value. For example, in response to detecting a condition in which the current sense value is greater than the overcurrent threshold value, the controller turns OFF (deactivates) the switch, reducing or eliminating delivery of current through the load. | 2022-02-17 |
20220052602 | HIGH-VOLTAGE APPARATUS CONTROL DEVICE - To provide a high-voltage apparatus control device capable of judging the connection state of a connector and discharging residual charge in a short time. A control device | 2022-02-17 |
20220052603 | POWER CONVERTER CONTROL AND PARAMETER SAMPLING - An apparatus includes a controller. The controller receives feedback associated with a device powered by a power source. Sampling of the feedback associated with the device is susceptible to noise caused by a power converter in a vicinity of the controller. To achieve more accurate sampling of the feedback, the controller adjusts operation of the power converter during a window of time in which the power source powers the device. The adjusted operation reduces noise caused by the power converter such that, during the window of time in which the operation of the power converter is adjusted, the controller derives one or more accurate sample values from the received feedback. | 2022-02-17 |
20220052604 | Distributed Power Harvesting Systems Using DC Power Sources - A method for maintaining reliability of a distributed power system including a power converter having input terminals and output terminals. Input power is received at the input terminals. The input power is converted to an output power at the output terminals. A temperature is measured in or in the environment of the power converter. The power conversion of the input power to the output power may be controlled to maximize the input power by setting at the input terminals the input voltage or the input current according to predetermined criteria. One of the predetermined criteria is configured to reduce the input power based on the temperature signal responsive to the temperature. The adjustment of input power reduces the input voltage and/or input current thereby lowering the temperature of the power converter. | 2022-02-17 |
20220052605 | Charge Pump Circuit Capable of Generating Voltages in Erasing Operation, Program Operation and Read Operation - A charge pump circuit includes a power switch, a first pull-low circuit, an output pull-low circuit, a first charge pump stage and an output charge pump stage. The power switch receives an enabling signal. The first pull-low circuit and the output pull-low circuit receive a pull-low signal. The first charge pump stage includes a first boost capacitor used to receive a first phase signal, a first transfer transistor, a first gate-control transistor and a first storage capacitor used to receive a second phase signal. The output charge pump stage includes an output boost capacitor used to receive a third phase signal, an output transfer transistor and an output gate-control transistor. The charge pump circuit generates voltages in an erasing operation, a program operation and a read operation according to the enabling signal, the pull-low signal, the first phase signal, the second phase signal and the third phase signal. | 2022-02-17 |
20220052606 | DC-DC CONVERTER WITH INTELLIGENT CONTROLLER - As inputs of a controller of a direct current (DC)-DC converter are sampled for a predetermined time and thus two-dimensional state information in which one axis is an input physical quantity and the other axis is a time is generated, the two-dimensional state information is processed by a convolutional neural network to determine and output one of a plurality of control signals. An artificial intelligence control part may operate in accordance with a plurality of operation conditions or dynamically determined operation conditions by applying different artificial intelligence engines according to operation modes. | 2022-02-17 |
20220052607 | POWER CONVERTER INCLUDING SELF POWERED HIGH VOLTAGE CHARGING OF A CONNECTED ENERGY STORAGE DEVICE - A power converter comprises a buck converter portion, an energy storage portion, and a controller. A first inductor is connected between the cathode of a first diode at an input node, and a capacitor at an output node. The input node is connected to an input voltage via a first switch. A second inductor in the energy storage portion is magnetically coupled to the first inductor and is connected to a second diode. The cathode of the second diode is connected to a first terminal of the energy storage element, and a second terminal of the energy storage element is connected to a second terminal of the second inductor. The first terminal of the energy storage element is connected to the input node via a second switch. When the input voltage is not less than a threshold, the second switch is opened. | 2022-02-17 |
20220052608 | SEMICONDUCTOR OSCILLATION SUPPRESSION CIRCUIT - An object of the present invention is to provide a semiconductor oscillation suppression circuit capable of suppressing voltage oscillation of a switching element with low loss. A semiconductor oscillation suppression circuit includes a wide-bandgap semiconductor element and a capacitor connected to the wide-bandgap semiconductor element in parallel and having a larger capacity than a junction capacitance of the wide-bandgap semiconductor element. | 2022-02-17 |
20220052609 | POWER DISTRIBUTION ARCHITECTURE WITH SERIES-CONNECTED BUS CONVERTER - Apparatus for power conversion are provided. One apparatus includes a power converter including an input circuit and an output circuit. The power converter is configured to receive power from a source for providing power at a DC source voltage V | 2022-02-17 |
20220052610 | DIRECT-CURRENT VOLTAGE CONVERTER FOR BIDIRECTIONAL ELECTRICAL POWER TRANSMISSION FROM A PRIMARY SIDE TO A SECONDARY SIDE OF THE DIRECT-CURRENT VOLTAGE CONVERTER OR VICE VERSA - The invention relates to a direct-current voltage converter ( | 2022-02-17 |
20220052611 | Isolated and Reconfigurable Power Converter - A power conversion system for an aircraft on-board power system converts high voltage DC to low voltage DC and vice versa. The system includes switching means configured so that the system operates in a plurality of configurations, each forming an isolated DC/DC converter. | 2022-02-17 |
20220052612 | FLYBACK POWER CONVERTER AND ACTIVE CLAMP SNUBBER THEREOF - A flyback power converter includes: a power transformer, a primary side control circuit, a secondary side control circuit, and an active clamp snubber including a snubber switch and a control signal generation circuit. The control signal generation circuit controls the snubber switch to be conductive during a soft switching period in an OFF period of a primary side switch within a switching period of the switching signal, whereby the primary side switch achieves soft switching. A starting time point of the soft switching period is determined by a current threshold, so that a secondary side current is not lower than the current threshold at the starting time point, whereby the secondary side control circuit keeps the SR switch conductive at the starting time point. The secondary side control circuit turns OFF the SR switch when the secondary side current is lower than the current threshold. | 2022-02-17 |
20220052613 | SYNCHRONOUS RECTIFICATION CONTROL SYSTEM AND METHOD FOR QUASI-RESONANT FLYBACK CONVERTER - A synchronous rectification control system and method for a quasi-resonant flyback converter are provided. The control system includes a switching transistor voltage sampling circuit configured to sample an output terminal voltage of the switching transistor to obtain a sampled voltage of the switching transistor; a sampling calculation module configured to obtain a dead-time based on the sampled voltage of the switching transistor and a preset relationship, the preset relationship being a correspondence between the duration of the sampled voltage of the switching transistor being below a first preset value and the dead-time during an on-time of a switching cycle of the switching transistor, the dead-time being a time from when the switching transistor is turned off to when the synchronous rectification transistor is turned on; and a control module configured to receive the dead-time and control switching of the synchronous rectification transistor based on the dead-time. | 2022-02-17 |
20220052614 | SWITCHING CIRCUIT, SYNCHRONOUS RECTIFICATION CONTROL CIRCUIT AND CONTROL METHOD THEREOF - A synchronous rectification control circuit for controlling a switching circuit comprising a synchronous rectifier switch, can include: a drive circuit configured to generate a drive signal to control switching states of the synchronous rectifier switch; and a voltage regulation circuit configured to control the drive circuit to adjust an amplitude of the drive signal to decrease to a preset threshold in an adjustment state when a drain-source voltage of the synchronous rectifier switch is greater than an adjustment threshold before the synchronous rectifier switch is turned off, where a time that the voltage regulation circuit is in the adjustment state is an adjustment time. | 2022-02-17 |
20220052615 | Method of controlling power transmission to a load - The method of controlling power transmission to a load permits: to eliminate over-voltage in an electric circuit; to decrease energy losses and time of charging of an energy storing device; to increase service life of switches and provide very high reliability of power transmission to a load. The conception is following: controlling power transmission to a load from additional circuit so that current can be transferred from additional circuit to operating circuit (circuit with a load) and vice versa from operating circuit to additional circuit without interruption (without switching off) circuit of the load. | 2022-02-17 |
20220052616 | Filter Device and Power Converter - Since inductance due to wiring to a Y capacitor is large, it is necessary to arrange the Y capacitor near a bus bar, and there is no degree of freedom in arranging the Y capacitor. Directions of currents flowing through a positive electrode side wiring | 2022-02-17 |
20220052617 | MULTILEVEL POWER CONVERTER WITH OPTIMIZED TOPOLOGY - A substrate and a first circuit board each have an upper side and a lower side. The substrate lower side is connected to a cooling body. On the upper side of the substrate, first electronic switching elements connect an alternating current potential at a phase terminal to a high direct current potential at a first potential terminal and to a low direct current potential at a second potential terminal. Second electronic switching elements connect the alternating current potential to a middle direct current potential at a third potential terminal. The substrate is spaced from the first circuit board under the first circuit board lower side. The upper side of the substrate faces toward the first circuit board. The second switching elements are at least on the upper side of the first circuit board, possibly additionally also on the lower side of the first circuit board. | 2022-02-17 |
20220052618 | AC AND PERSISTENT DC CO-DISTRIBUTION - An apparatus leverages the existing power interconnect for DC power delivery by including a persistent DC power module into a power panel, thereby enabling a more efficient use of the energy. The persistent DC power module includes, in part, a control unit which is adaptive to the variations and availability of the external DC power source to ensure a constant and consistent delivery of DC voltage. The apparatus minimizes energy waste and e-waste, and is compatible with the existing legacy AC infrastructure. | 2022-02-17 |
20220052619 | APPARATUS AND METHOD FOR PERSISTENT DC POWER PANEL CONVERSION - An apparatus converts an AC power panel into a persistent DC power panel with a persistent power switch. The persistent power switch includes a removable power unit for coupling to the AC power switch in order to convert the AC power panel into a persistent DC power panel. The removable power unit can be mounted in the power panel or can be implemented as a stand-alone external device for connecting to the power panel. | 2022-02-17 |
20220052620 | SINGLE-PHASE DEVICE-MULTIPLEXING ACTIVE POWER DECOUPLING CASCADED RECTIFIER AND CONTROL METHOD THEREOF - A single-phase device-multiplexing active power decoupling cascaded rectifier and control method thereof. The rectifier includes: n device-multiplexing active power decoupling H-bridge units that are cascaded, n≥2; each unit including: a bridge arm H | 2022-02-17 |
20220052621 | CONVERSION SYSTEM AND CONTROL METHOD THEREOF - The present application provides a conversion system and a control method, including N power converters and N controllers, and N controllers one-to-one corresponds to the N power converters. In addition to receiving a first side current and a second side voltage of a corresponding power converter, each of the N controllers can also receive a neighboring direct current voltage signal which only reflects second side voltages of other M power converters in the conversion system, and perform voltage control on the corresponding power converter according to the received signal. The present application adopts fully distributed control, and does not need to set up a centralized controller. When parts of controllers fail, the other controllers can continue to work, so the reliability is higher. | 2022-02-17 |
20220052622 | CONVERSION SYSTEM AND CONTROL METHOD - The present application provides a conversion system and a control method, including N power converters and N controllers, where each power converter includes a first side and a second side, the first sides of the N power converters are electrically coupled in series, and currents flowing through the first sides of the N power converters are the same, the N controllers correspond to the N power converters one to one. Each controller contains a common-mode voltage loop and a current loop. The common-mode voltage loop is configured to receive a voltage reference signal and a voltage feedback signal, and output a given signal. The current loop is configured to receive the given signal, a current reference signal, and a first side current of a corresponding power converter, and output a common-mode control signal to modulate a first side voltage of the corresponding power converter. | 2022-02-17 |
20220052623 | HOPF OSCILLATOR BASED DEVICE COMPRISING INVERTERS - The present disclosure relates to a device, comprising a first inverter, wherein the first inverter is configured to invert a DC input voltage into an AC output voltage, a first controller, wherein the first controller is configured to provide a reference voltage for the first inverter on the basis of an AC output current of the first inverter, a second inverter, wherein the second inverter is configured to invert a DC input voltage into an AC output voltage, a second controller, wherein the second controller is configured to provide a reference voltage for the second inverter on the basis of an AC output current of the second inverter, wherein the first inverter and the first controller form a first Hopf oscillator, wherein the second inverter and second controller form a second Hopf oscillator, and wherein the first Hopf oscillator is coupled to the second Hopf oscillator. | 2022-02-17 |
20220052624 | POWER CONVERTER - A power converter is provided that includes a reactor that is improved in effect of cooling a core and a winding. The power converter includes: a cooling member having a first cooling surface; and a reactor including a core portion and a winding portion. The core portion is a rectangular parallelepiped and disposed on the first cooling surface that is larger in area than the core portion in a plan view. The winding is wound around the core portion and the cooling member. The power converter further includes a power conversion module connected to one end of the winding portion. | 2022-02-17 |
20220052625 | POWER CONVERSION DEVICE - A power conversion device includes: an inverter that includes a switching element and converts DC power into AC power; a current detector that detects an output current of the inverter; and a controller that controls the inverter to allow the output current detected by the current detector to follow a current command value having a sinusoidal waveform. The controller compares a current deviation of the output current from the current command value with a hysteresis band to control switching of the switching element. The controller sets the hysteresis band so that a hysteresis band in a zero-crossing area of the current command value is smaller than a hysteresis band in a peak area of the current command value. | 2022-02-17 |
20220052626 | SYSTEM AND METHOD OF INVERTER CONTROL - A control system and method for an inverter that reduces capacitor current through a DC bus capacitor of the inverter. The control system and method may generate switching signals for a plurality of switching circuits in a manner that reduces capacitor current through the DC bus capacitor. | 2022-02-17 |
20220052627 | INVERTER AND REFRIGERATOR INCLUDING INVERTER - Provided is an inverter for reducing electric power consumption and noise. The inverter comprises: a driving unit including three switching elements included in an upper arm and connected in a three-phase bridge configuration and three switching elements included in a lower arm and connected in a three-phase bridge configuration, and converting input direct current power into three-phase alternating current power and then outputting the alternating current power to a three-phase load; and at least one processor for maintaining one of the three switching elements, which are included in the upper arm, in an on-state in a first period, maintaining one of the three switching elements, which are included in the lower arm, in an on-state in a second period, and driving the driving unit in a two-phase modulation method by alternately repeating the first period and the second period, wherein the at least one processor turns on all of the three switching elements at a crest of a carrier wave in the first period, and the at least one processor turns off all of the three switching elements at a crest of a carrier wave in the second period. | 2022-02-17 |
20220052628 | Triboelectric Generator - A triboelectric generator comprises a first body moveable relative to a second body. Power generation modules are disposed on the first body and one or more actuating elements are disposed on the second body. Each power generation module is electrically connected to a common output and comprises material capable of generating electrical power through the triboelectric effect when contacting another surface. The power generation modules and one or more actuating elements are arranged on the bodies such that relative movement of the bodies causes the one or more actuating elements to come into contact with the power generation modules, wherein the contact causes the material of that power generation module to be brought into contact with said other surface to generate electrical power. The power generation modules may supply electrical power to the common output at different times, providing a more continuous supply of electrical power from the common output. | 2022-02-17 |
20220052629 | NONLINEAR MAGNETIC FORCE-BASED ARCHED PIEZOELECTRIC CERAMIC ENERGY HARVESTING DECELERATION STRIP - A nonlinear magnetic force-based arched piezoelectric ceramic energy harvesting deceleration strip, which comprises an outer case and an internal generating mechanism. The outer case structure comprises an upper deceleration strip and a casing. The casing is embedded in the pavement structure by excavating the upper part of surface course. A rebounding mechanism is located between the upper deceleration strip and casing to restore the pressed upper deceleration strip. Features: the generating mechanism comprises a rack, a gear set and generating discs. The rack is disposed at the bottom of the upper deceleration strip and moving up and down therewith. The rack can drive the gear set to generate acceleration, and the transmission shafts drive the left and right generating discs to rotate. The gear set is combined with three transmission shafts. | 2022-02-17 |
20220052630 | CONTROL APPARATUS AND METHOD TO CONTROL A HIGH-POWER ELECTRIC MOTOR - Control apparatus and corresponding method for controlling a high power electric motor, preferably of the order of megawatts, preferably of or associated with a shredding plant which is preferably usable for shredding very bulky and heavy objects and is provided with a rotating shredding member connected to the rotor of the electric motor, where a control circuit is configured to control the electric motor so that it can operate selectively in different operating modes. | 2022-02-17 |
20220052631 | POWER SUPPLY CONTROL DEVICE AND POWER SUPPLY CONTROL METHOD - Provided is a power supply control device for controlling power supply to a motor installed in a vehicle, including: a switching element configured to turn on and off the power supply to the motor; a current detection circuit configured to detect a current flowing to the motor; and a control unit configured to determine whether or not the motor is in a locked state based on the current detected by the current detection circuit, and control turning on and off the power supply to the motor at a duty cycle that corresponds to the current detected by the current detection circuit, if it is determined that the motor is in the locked state. | 2022-02-17 |
20220052632 | METHOD AND SYSTEM OF SUBSYNCHRONOUS OSCILLATIONS AND INTERACTIONS DAMPING - A method and system of subsynchronous oscillations and interactions damping integrated in in a rotor converter based on an adaptive state feedback controller with two spinning vectors, and a Kalman filter whose parameters are optimized by minimizing maximum sensitivity under a constraint of positive damping for a plurality of sensible scenarios is provided. The damping signal generated by the damping module is applied either to a power proportional integer controller or to a current proportional integer controller. | 2022-02-17 |
20220052633 | Torque Control Based on Rotor Resistance Modeling in Induction Motors - A control system for an induction motor executes an on-board, dynamic model to estimate rotor resistance and control the torque output by the induction motor. The model includes equations to calculate stator and rotor temperatures and/or resistances based on combinations of voltage and current data, electrical frequency, rotor speed, switching patterns, and air flow rates during operation of the induction motor. The control system updates the model based on feedback collected during the operation of the induction motor, including the difference between the actual observed stator temperature and the stator temperature predicted by the model. The model is updated to converge the predicted stator temperature on the actual observed stator temperature, and corresponding updates are made to the rotor resistance estimations to provide more accurate estimations of the rotor resistance and improve the accuracy of the induction motor torque output. | 2022-02-17 |
20220052634 | METHODS AND SYSTEMS FOR RECORDING OPERATING INFORMATION OF AN ELECTRONICALLY COMMUTATED MOTOR - A motor controller for an electric motor includes an enclosure and a processing device, memory device, and communication interface disposed within the enclosure. The processing device is configured to control the electric motor and collect operating information from the electric motor during operation of the electric motor. The memory device is communicatively coupled to the processing device. The memory device is configured to receive and store the operating information collected during operation of the electric motor. The communication interface is communicatively coupled to the processing device and the memory device, and is configured to enable access to the operating information stored on the memory device by a computing device disposed remotely from the electric motor. | 2022-02-17 |
20220052635 | VARIABLE SPEED DRIVE FOR DRIVING AN ELECTRIC MOTOR AND METHOD FOR DIAGNOSING THE DRIVE - The present invention relates to a variable speed drive for driving an electric motor and providing a safe torque off (STO) function. The drive includes two parallel signal buffers connected to a safety controller and at least one IGBT gate driver circuit, wherein the signal buffers share the same IGBT gate control signals as inputs and feed them to the same IGBT gate driver circuits and wherein each signal buffer has an own STO control signal for activation and deactivation of outputs. The invention is also directed at a method for diagnosing a corresponding drive. | 2022-02-17 |
20220052636 | VARIABLE RADIUS UNDER MODULE BALANCED BEARING - A solar tracker bearing and a solar tracker incorporating the bearing, the bearing including at least one rotatable part, the rotatable part including a notch for receiving a torque tube, a slot, formed in the rotatable part and extending below the notch, the slot defining an arc having multiple radii, at least one engagement member configured to be received in the slot, and at least one base configured to secure the engagement member in the slot and to secure the bearing to a pier. | 2022-02-17 |
20220052637 | MULTIPLE WALL CONNECTION OVER PIERS - A solar tracker including at least one pair of piers configured to be secured in the ground and defining a span between the pair, a bearing supported on the pier, and a torque tube supported in the bearing such that the bearing enables rotation of the torque tube, the torque tube including a double wall thickness area, wherein the double wall thickness area limits deflection of the torque tube along the span. | 2022-02-17 |
20220052638 | ROOF MOUNTED PHOTOVOLTAIC SYSTEM AND METHOD FOR WIRELESS TRANSFER OF ELECTRICAL ENERGY - A roof mountable photovoltaic system, wherein electrical energy is transferred from multiple direct current generating sources to at least one wireless energy receiver device through some separated distance. The system is configured such that electrical energy can be transferred even through an obstruction, such as several layers of roofing material, to the wireless energy receiver device. In some embodiments, there are fewer wireless energy receiver devices than the direct current generating sources. In some embodiments, the wireless energy receiver device can include one or more inductive windings, antennae, or a combination thereof, which can couple with the windings, antennae, or a combination thereof of the wireless transmitter(s) to transfer electrical energy from the transmitters to the one or more receivers without direct electrical or physical connection. | 2022-02-17 |
20220052639 | PV-DEVICE HAVING REDUCED AGING - A photovoltaic device having a perovskite PV cell having reduced aging. The internal temperature of the perovskite PV cell, or a measure thereof, is determined using a measurement of an electrical parameter. In the case that it is detected that the corresponding measured value exceeds a threshold value, i.e., that the internal temperature is too high, the operating conditions of the perovskite PV cell are adjusted to the effect that the internal temperature reduces again. This can be achieved, for example, by an input resistance of power electronics of the perovskite PV cell being adjusted such that lower ohmic losses occur, as a result of the correspondingly altered electric currents. | 2022-02-17 |
20220052640 | Testing of a Photovoltaic Panel - A method for testing a photovoltaic panel connected to an electronic module. The electronic module includes an input attached to the photovoltaic panel and a power output. The method activates a bypass to the electronic module. The bypass provides a low impedance path between the input and the output of the electronic module. A current is injected into the electronic module thereby compensating for the presence of the electronic module during the testing. The current may be previously determined by measuring a circuit parameter of the electronic module. The circuit parameter may be impedance, inductance, resistance or capacitance. | 2022-02-17 |
20220052641 | HIGH-THROUGHPUT MULTIPLEXED RECORDING - In some embodiments, there is provided an apparatus including a common bus and a plurality of oscillatrode circuits coupled to the common bus, the plurality of oscillatrode circuits including a first oscillatrode circuit outputting a first frequency tone when a first input voltage is detected by the first oscillatrode circuit and a second oscillatrode circuit outputting a second frequency tone when a second input voltage is detected by the second oscillatrode circuit, wherein common bus carries the first frequency tone and the second frequency tone at different frequencies in a frequency division multiplex signal. Related systems, methods, and articles of manufacture are also disclosed. | 2022-02-17 |
20220052642 | SYNCHRONOUS MODULATION SYSTEM USING AMPLITUDE MODULATION - The invention relates to a synchronous modulation system using amplitude modulation, which basically consists of a modulator and a demodulator able to transmit digital signals at double the frequency of its carrier wave. For this purpose, the system uses analog and digital circuits that combine to modulate, separately, the positive half and the negative half of the carrier sine wave, such that in a single cycle of the carrier wave, two different information bits can be sent. The demodulator-modulator unit can be easily combined with other units to form wired or wireless communication systems and even optical or sonic systems with minimal generation of parasitic harmonics, resulting in a minimum bandwidth requirement for operation. | 2022-02-17 |
20220052643 | MAGNETIC ABSORBERS FOR PASSIVE INTERMODULATION MITIGATION - A wireless communication system including an electrically conductive passive medium capable of simultaneously propagating therealong electromagnetic first and second currents at different respective frequencies F1 and F2, the electrically conductive passive medium including an electrically conductive first passive linear medium portion adjacent an electrically conductive first passive nonlinear medium portion, the first passive nonlinear medium portion capable of generating an intermodulation current based on a nonlinear interaction between the first and second currents, the intermodulation current having a frequency Fi equal to nF1+mF2 and propagating along the first passive nonlinear medium portion, m and n being positive or negative integers; and a first magnetic film disposed proximate an electrically conductive external surface of the first linear medium portion, such that when the first and second currents propagate along the first passive linear medium portion toward the first passive nonlinear medium portion, the magnetic film reduces or prevents the generation of the intermodulation current in the first passive nonlinear medium portion by attenuating at least portions of the first and second currents. | 2022-02-17 |
20220052644 | SYSTEMS AND METHODS FOR DETECTING LOCAL OSCILLATOR LEAKAGE AND IMAGE TONE IN I/Q MIXER BASED TRANSCEIVERS - According to one embodiment, a transceiver includes: a radio transmitter including a power amplifier; a detector circuit including: a squaring circuit configured to receive an output of the power amplifier of the radio transmitter and configured to produce an output current; and a DC current absorber electrically connected to an output terminal of the squaring circuit. | 2022-02-17 |
20220052645 | Switch Circuit, Mixer, and Electronic Device - A switch circuit, a mixer, and an electronic device, where the switch circuit includes a first metal oxide semiconductor (MOS) transistor, a second MOS transistor, a third MOS transistor, and a fourth MOS transistor, both a gate of the first MOS transistor and a gate of the fourth MOS transistor are connected to a first port, and both a gate of the second MOS transistor and a gate of the third MOS transistor are connected to a second port; and a lead between the gate of the first MOS transistor and the first port, a lead between the gate of the second MOS transistor and the second port, a lead between the gate of the third MOS transistor and the second port, and a lead between the gate of the fourth MOS transistor and the first port all have an equal length. In this way, linearity is relatively high. | 2022-02-17 |
20220052646 | DELAY-COMPENSATING POWER MANAGEMENT CIRCUIT - A delay-compensating power management circuit is provided. The power management circuit includes a power management integrated circuit (PMIC) configured to generate a time-variant voltage(s) based on a time-variant target voltage(s) for amplifying an analog signal(s) associated with a time-variant power envelope(s). A voltage processing circuit is provided in the power management circuit to determine a temporal offset, which can be positive or negative, between the time-variant power envelope(s) and the time-variant target voltage(s). Accordingly, the voltage processing circuit modifies the time-variant target voltage(s) to substantially reduce the determined temporal offset and thereby realign the time-variant target voltage(s) with the time-variant power envelope(s). By realigning the time variant target voltage(s) with the time-variant power envelope(s), it is possible to align the time-variant voltage(s) with the time-variant power envelope(s) to reduce distortions (e.g., amplitude clipping) during amplification of the analog signal. | 2022-02-17 |
20220052647 | SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE - Envelope tracking power supply circuitry includes a look up table (LUT) configured to provide a target supply voltage based on a power envelope measurement. The target supply voltage is dynamically adjusted based on a delay between the power envelope of an RF signal and a provided envelope tracking supply voltage. The envelope tracking supply voltage is generated from the adjusted target supply voltage in order to synchronize the envelope tracking supply voltage with the power envelope of the RF signal. | 2022-02-17 |
20220052648 | SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE - Envelope tracking power supply circuitry includes a look up table (LUT) configured to provide a target supply voltage based on a power envelope measurement. The target supply voltage is dynamically adjusted based on a delay between the power envelope of an RF signal and a provided envelope tracking supply voltage. The envelope tracking supply voltage is generated from the adjusted target supply voltage in order to synchronize the envelope tracking supply voltage with the power envelope of the RF signal. | 2022-02-17 |
20220052649 | SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE - Envelope tracking power supply circuitry includes a look up table (LUT) configured to provide a target supply voltage based on a power envelope measurement. The target supply voltage is dynamically adjusted based on a delay between the power envelope of an RF signal and a provided envelope tracking supply voltage. The envelope tracking supply voltage is generated from the adjusted target supply voltage in order to synchronize the envelope tracking supply voltage with the power envelope of the RF signal. | 2022-02-17 |
20220052650 | SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE - Envelope tracking power supply circuitry includes a look up table (LUT) configured to provide a target supply voltage based on a power envelope measurement. The target supply voltage is dynamically adjusted based on a delay between the power envelope of an RF signal and a provided envelope tracking supply voltage. The envelope tracking supply voltage is generated from the adjusted target supply voltage in order to synchronize the envelope tracking supply voltage with the power envelope of the RF signal. | 2022-02-17 |
20220052651 | SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING POWER SUPPLY VOLTAGE - Envelope tracking power supply circuitry includes a look up table (LUT) configured to provide a target supply voltage based on a power envelope measurement. The target supply voltage is dynamically adjusted based on a delay between the power envelope of an RF signal and a provided envelope tracking supply voltage. The envelope tracking supply voltage is generated from the adjusted target supply voltage in order to synchronize the envelope tracking supply voltage with the power envelope of the RF signal. | 2022-02-17 |