42nd week of 2021 patent applcation highlights part 69 |
Patent application number | Title | Published |
20210328362 | ELECTRONIC DEVICE COMPRISING ANTENNA MODULE - An electronic device, according to one embodiment of the present invention, may comprise: a first dielectric which forms at least a part of the front surface of the electronic device; a second dielectric which forms at least a part of the rear surface of the electronic device; a side surface member which surrounds a space formed between the front surface and the rear surface and of which a part comprises a third dielectric; a display positioned in the space and visually exposed through the first dielectric; and an antenna module positioned in the space. The antenna module comprises: a printed circuit board comprising a first surface which faces, in the space, the third dielectric, and a second surface which is oriented in a direction opposite to that of the first surface; and at least one antenna element which is disposed on the first surface or inside the printed circuit board so as to be adjacent to the first surface, and which forms a beam pattern toward the side surface member. In addition, other various embodiments are possible. | 2021-10-21 |
20210328363 | Waveguide Antenna Element-Based Beam Forming Phased Array Antenna System for Millimeter Wave Communication - An antenna system, includes a first substrate, a plurality of chips, and a waveguide antenna element based beam forming phased array. The waveguide antenna element based beam forming phased array includes a plurality of radiating waveguide antenna cells. Each radiating waveguide antenna cell includes a plurality of pins that are connected to ground. A body of each radiating waveguide antenna cell corresponds to the ground. The plurality of chips are electrically connected with the plurality of pins and the ground of each of the plurality of radiating waveguide antenna cells to control beamforming through a second end of the plurality of radiating waveguide antenna cells. | 2021-10-21 |
20210328364 | MILLIMETER WAVE MODULE AND ELECTRONIC DEVICE - A millimeter wave module and an electronic device are provided herein. The millimeter wave module includes an antenna substrate and an antenna array. The antenna substrate has a first direction and a second direction perpendicular to each other. The antenna array is located on the antenna substrate. The antenna array includes a plurality of dual-polarized antenna array elements for radiating millimeter wave signal. At least one of the dual-polarized antenna array elements is configured to the radiate millimeter wave signal in a first radiation mode when being fed in the first direction, and radiate the millimeter wave signal in a second radiation mode when being fed in the second direction. | 2021-10-21 |
20210328365 | High-Frequency Radiator, Multi-Frequency Array Antenna, and Base Station - Embodiment high-frequency radiator includes two plus and minus 45-degree single-polarized radiators. The single-polarized radiator includes a radiation arm, a balun, a feeder circuit, a filter, and a ground plane. The radiation arm and the balun are electrically connected. The feeder circuit and the balun are separately disposed on two surfaces of a first dielectric plate that is placed vertically. The ground plane is disposed on a downward surface of a second dielectric plate that is placed horizontally. The first dielectric plate is vertically disposed on the second dielectric plate, and the filter includes a capacitor branch and an inductor branch. The inductor branch is disposed on a same surface of the first dielectric plate as the balun, the inductor branch is separately electrically connected to the balun and the ground plane, and the capacitor branch is coupled to the ground plane. | 2021-10-21 |
20210328366 | DUAL POLARIZATION PATCH ANTENNA SYSTEM - A switchable dual polarization patch antenna with improved cross polarization isolation to concurrently radiate horizontally polarized signals and vertically polarized signals. A planar conductor is arranged with a first terminal and a second terminal that are vertically spaced on a portion of the planar conductor to radiate a component of a vertically polarized signal with zero degrees of phase shift from one of the two terminals and radiate another component of the vertically polarized signal having a 180 degrees of phase shift from the other of the two terminals. A hybrid coupler can provide the 180 degrees of phase shift. A horizontally polarized signal is radiated from a third terminal that is horizontally spaced on another portion of the planar conductor and coupled to a horizontally polarized signal source. The direction of the 180 phase shift for the first and second components of the vertically polarized signal may be selected. Also, a direction for a phase shift for the horizontally polarized signal may be selectable. | 2021-10-21 |
20210328367 | ANTENNA-ON-PACKAGE INCLUDING MULTIPLE TYPES OF ANTENNA - An AIP includes a package substrate including a top layer including a top metal layer including a first antenna type and a second antenna type, and a bottom layer including a bottom dielectric and a metal layer including a first and second contact pad and filled vias, and an IC embedded therein. Bond pads of an IC are coupled by a connection including ≥1 filled via for connecting to the top and/or bottom metal layer. A first metal pillar is between the first contact pad and first antenna, and a second metal pillar is between the second contact pad and second antenna. A first filled via is coupled to the first metal pillar providing a transmission line from the first contact pad to the first antenna. A second filled via is coupled to the first metal pillar providing a transmission line from the second contact pad to the second antenna. | 2021-10-21 |
20210328368 | Car Window Glass Assembly - A car window glass includes a glass plate having a conductor layer, a connection terminal, and a power line. The connection terminal includes metal-plate first and second join parts joined to the conductor layer via the first and second solder layers, a metal-plate bridge section connected to the first and second join parts and spaced apart from the conductor layer, and a fixing part for fixing the power line to a bridge section main surface. The power line extends from the fixing part along a glass plate main surface, and the side opposite of the side facing the glass plate main surface is free of the bridge section, and the starting point of the power line extending from the fixing part is positioned in the upper direction of a virtual line connecting the center portions of the first and second join parts with each other. | 2021-10-21 |
20210328369 | ELECTRICAL CONNECTOR AND CONNECTOR ASSEMBLY - An electrical connector includes a base and a row of conductive terminals, including at least one pair of differential signal terminals and multiple ground terminals. Each conductive terminal is in contact with a mating component. The conductive terminals include a terminal group having two ground terminals and one pair of differential signal terminals located between the two ground terminals. In the terminal group, a pitch between the pair of differential signal terminals is defined as a first pitch, a pitch between each differential signal terminal and its adjacent ground terminal is defined as a second pitch, and the first pitch is less than the second pitch. A pitch between another ground terminal adjacent to the terminal group and an adjacent ground terminal in the terminal group is defined as a third pitch, which is greater than the second pitch. The electrical connector and the mating component form a connector assembly. | 2021-10-21 |
20210328370 | LEAF SPRING FOR IMPROVED MEMORY MODULE THAT CONSERVES MOTHERBOARD WIRING SPACE - An apparatus is described. The apparatus includes a module having a connector along a center axis of the module. The module further includes a first set of semiconductor chips disposed in a first region of the module that resides between a first edge of the module and a first side of the connector, and, a second set of semiconductor chips disposed in a second region of the module that resides between a second opposite edge of the module and a second opposite side of the connector. A through hole does not exist between the first set of semiconductor chips and the first side of the connector nor between the second set of semiconductor chips and the second side of the connector. The module further includes a first through hole between a third edge of the connector and a third edge of the module and a second through hole between a fourth edge of the connector and a fourth edge of the module. The first and second through holes are to align with first and second studs that are to support a leaf spring when the leaf spring is bowed to press the connector into a printed circuit board. | 2021-10-21 |
20210328371 | CONNECTOR - A connector | 2021-10-21 |
20210328372 | Conductor Connection Device as Well as Printed Circuit Board and Utility Meter Comprising Same - A conductor connection device with a contact element at one side thereof, a printed circuit board with the conductor connection device, and a utility meter with the printed circuit board are provided. In order to reduce production costs of the conductor connection device without increasing the production costs of the printed circuit board or the utility meter and without affecting operational safety, the conductor connection device comprises a conductor clamping element that is accessible via the second side thereof, and the printed circuit board comprises a through-hole that is aligned with the conductor clamping element. | 2021-10-21 |
20210328373 | CIRCUIT BOARD, METHOD FOR PRODUCING CIRCUIT BOARD, AND IMAGING APPARATUS - A circuit board includes a board body and pair of connection portions disposed at both ends of the board body. Each of the pair of connection portions is inserted into a connector. Each of the pair of connection portions includes a connection terminal electrically connected to the connector, and at least one of the pair of connection portions includes an extending portion extending from the connection terminal to an insertion leading end of the at least one of the pair of connection portion. The extending portion is disposed at a position to avoid a virtual line extending in an insertion direction through a position where the connector and the connection terminal are electrically connected. | 2021-10-21 |
20210328374 | CONNECTOR AND ELECTRONIC DEVICE - A connector ( | 2021-10-21 |
20210328375 | HIGH POWER CONTACT SOCKET - The invention relates to a flat sheet metal part for forming a cylindrically shaped contact cage with a receiving space for plugging in a contact in a plug-in direction Z, said sheet metal part comprising:
| 2021-10-21 |
20210328376 | Connector - A connector includes a pair of terminals. Each of the terminals includes a first sub-terminal having a first fixation part and a plurality of first elastic arms extending from the first fixation part, and a second sub-terminal having a second fixation part and a plurality of second elastic arms extending from the second fixation part. The first fixation part of the first sub-terminal is laminated on the second fixation part of the second sub-terminal, and the plurality of first elastic arms and the plurality of second elastic arms are alternately arranged in a row for electrically contacting with a shared bus bar. | 2021-10-21 |
20210328377 | Power Connector With Gripping Slips For Electrical Submersible Pump - A motor lead for an electrical submersible well pump motor has three insulated conductors wrapped with a metal armor. A power connector has a housing with an upper opening into which the motor lead and a lower portion of the armor extend. The housing has an interior with a converging upper portion converging toward the upper opening. A slips member is located in the interior of the housing and has an upper opening into which the lower portion of the armor extends. The slips member has fingers that are wedged into the converging upper portion of the housing, which causes the fingers to deflect into the armor. | 2021-10-21 |
20210328378 | PROTECTION COVER DEVICE FOR SOCKET AND SOCKET - The present disclosure discloses a protection cover device for socket, which includes a housing, a protection cover which is arranged in the housing, and a torsion spring which is configured to reset the protection cover, the housing includes a bottom plate and a faceplate spaced apart from the bottom plate, the faceplate is provided with a first insertion hole and a second insertion hole, the bottom plate is provided with a first through hole and a second through hole; the protection cover is provided with a first driving slope and a second driving slope that guide the protection cover to translate along a distribution direction of the first insertion hole and the second insertion hole, the protection cover is further provided with a probe hole, and the torsion spring includes a spring body, a first swinging arm and a second swinging arm. | 2021-10-21 |
20210328379 | Power Connector With Spring-Biased Elastomeric Conductor Seal For Submersible Pump - An electrical power connector for an electrical submersible well pump motor has a housing having a bore. A pair of rigid insulators are within the bore of the housing, each of the insulators having a cylindrical outward-facing side that is in contact with an inward-facing side wall of the housing. A resilient elastomer seal is sandwiched between the insulators in sealing engagement with the inward-facing side wall. Passages extend through each of the insulators and the elastomer seal for receiving insulated conductors of a power cable. A spring in abutment with one of the insulators exerts an axial compressive force on the elastomer seal. | 2021-10-21 |
20210328380 | Electrical Connector Comprising A Securing Tab - An electrical connector includes a housing, a primary locking sleeve disposed on the housing, and a securing tab. The housing has a receptacle open in a connection direction essentially parallel to a longitudinal axis, the receptacle receiving a complementary connector. The primary locking sleeve is movable relative to the housing between a locked position securing the electrical connector and the complementary connector and a release position for connecting and/or disconnecting the electrical connector and the complementary connector. A gap having a gap width is disposed between the housing and the primary locking sleeve at least in the locked position. The gap width decreases from the locked position to the release position. The securing tab is insertable at least partially into the gap to an inserted state to secure the primary locking sleeve in the locked position. | 2021-10-21 |
20210328381 | POWER PLUG RETENTION CLIP - A retention clip includes a clip body having a retention portion configured to releasably engage and releasably secure a plug. The retention portion includes clips extending from the clip body. The clips are configured to engage and releasably secure the clip body to the plug. The clip body further includes at least one post extending from the clip body. The at least one post is configured to secure the clip body to a connector element of a support structure by coupling with the connector element. | 2021-10-21 |
20210328382 | METHODS AND SYSTEMS FOR COMPENSATING FOR ALIEN CROSSTALK BETWEEN CONNECTORS - The present invention relates to methods and systems for minimizing alien crosstalk between connectors. Specifically, the methods and systems relate to isolation and compensation techniques for minimizing alien crosstalk between connectors for use with high-speed data cabling. A frame can be configured to receive a number of connectors. Shield structures may be positioned to isolate at least a subset of the connectors from one another. The connectors can be positioned to move at least a subset of the connectors away from alignment with a common plane. A signal compensator may be configured to adjust a data signal to compensate for alien crosstalk. The connectors are configured to efficiently and accurately propagate high-speed data signals by, among other functions, minimizing alien crosstalk. | 2021-10-21 |
20210328383 | CONNECTOR, HARNESS AND CONNECTOR ASSEMBLY - A connector comprises a plurality of signal terminals, a plurality of ground terminals which are configured to be connected to outer conductors of cables, and a ground member which is configured to be connected to the outer conductors. The ground member has a ground portion. The signal terminals and the ground terminals are alternately arranged in a pitch direction (Y-direction) to form one terminal row. Each of the signal terminals has a first adjustment portion. Each of the ground terminals has a second adjustment portion. The signal terminals include an outer signal terminal located at an end of the terminal row. The first adjustment portion of the outer signal terminal protrudes toward the ground portion. A position of the first adjustment portion of the outer signal terminal in a perpendicular plane (XZ-plane) is equal to or overlaps with a position of the ground portion in the perpendicular plane. | 2021-10-21 |
20210328384 | SHIELDED CONNECTOR ASSEMBLIES WITH TEMPERATURE AND ALIGNMENT CONTROLS - High-speed connectors and connector assemblies that include structures for alignment and/or improved thermal performance. | 2021-10-21 |
20210328385 | CONNECTOR MEMBER AND CONNECTOR SET - A connector member includes a connector and a substrate. The connector includes an insulating member, and internal terminals held by the insulating member. The substrate includes an insulating base material, substrate-side terminal conductors formed on a main surface of the base material, and a ground conductor connected to ground potential. The internal terminals are mounted on the substrate-side terminal conductors, respectively. At least two of the substrate-side terminal conductors on which the internal terminals not used for transmitting signals including a high-frequency signal are mounted are connected to the ground conductor at multiple locations. | 2021-10-21 |
20210328386 | Miniaturized Connector - A connector includes a housing and a shielding contact. A gap running in a circumferential direction extends between the housing and the shielding contact. A mating housing of a mating connector is adapted to be inserted into the gap in a plugging direction. The gap opens in the plugging direction into a sealing section in which a sealing ring is retained axially between the shielding contact and the housing. | 2021-10-21 |
20210328387 | CABLE ASSEMBLY WITH DIELECTRIC CLAMSHELL CONNECTOR FOR IMPEDANCE CONTROL - A connector for controlling impedance for use in a connector assembly, the connector has a housing made of dielectric material. The housing has a first conductor receiving opening and a second conductor receiving opening which are dimensioned to receive exposed conductors of a cable. The first conductor receiving opening and the second conductor receiving opening have conductor receiving portions, the conductor receiving portions extending at an angle relative to a longitudinal axis of the housing. The first conductor receiving opening and the second conductor receiving opening have conductor spacing portions which extend from the conductor receiving opening. The conductor spacing portions extend in a direction which is essentially parallel to the longitudinal axis of the housing. The spacing portions are spaced apart by a distance. The dielectric material and the distance the spacing portions are spaced apart being selected to match the impedance of the cable. | 2021-10-21 |
20210328388 | ELECTRICAL CONNECTOR AND ELECTRICAL CONNECTOR ASSEMBLY - The present invention discloses an electrical connector and an electrical connector assembly. Each of the ground terminals is provided to be in contact with two corresponding first mating terminals in a left-right direction. The terminals may mate with the first and second mating terminals under the same specification, thus facilitating unified automatic production of the mating connector, and may achieve the objectives for increasing the shielding effect of the electrical connector and saving the quantity of the terminals without changing the size of the electrical connector. | 2021-10-21 |
20210328389 | VOLTAGE PROTECTION FOR UNIVERSAL SERIAL BUS TYPE-C (USB-C) CONNECTOR SYSTEMS - A Universal Serial Bus (USB) device includes a USB Type-C connector having a configuration channel (CC) terminal and an integrated circuit (IC) controller. The IC controller comprises a VCONN pin coupled to the CC terminal of the USB Type-C connector, an output terminal, and an on-chip voltage protection circuit coupled between the VCONN pin and the output terminal. The on-chip voltage protection circuit comprises a switch coupled between the VCONN pin and the output terminal, a pump logic coupled to a gate of the switch, a resistor coupled between the VCONN pin and the gate of the switch, and a diode clamp coupled between the gate of the switch and ground. | 2021-10-21 |
20210328390 | ELECTRICAL POWER STRIP - A power strip and method for providing and controlling power to power strip outlets and for differing amperages and/or voltages is disclosed. The power strip includes a power cord for connecting to a power outlet and a plurality of electrical outlets of the same of differing amperage and voltage connected to receive the electrical current from the power cord. At least one of the plurality of electrical outlets is powered continuously with electrical current from the power outlet. Electrical current from the power outlet to the plurality of electrical outlets is controlled by load presence controlled circuit, current limiting circuit, and/or soft-start circuitry. | 2021-10-21 |
20210328391 | CONNECTOR ASSEMBLY AND METHOD FOR MANUFACTURING A CONNECTOR ASSEMBLY - A connector assembly for connecting a first electrical component to a second electrical component includes a circuit board which is electrically conductively connectable to the first electrical component. A plug unit is electrically conductively couplable, at a plug end, to a mating plug unit and is disposed on a first side of the circuit board. A light source is disposed on a second side of the circuit board opposite the first side. A light guide has an in-coupling region and an out-coupling region, and a through-hole in which the plug end of the plug unit is at least partially disposed. The light guide also has a light injection opening in which the light source is at least partially disposed. The in-coupling region is disposed on a side wall of the light injection opening, and the out-coupling region surrounds the through-hole. | 2021-10-21 |
20210328392 | INSERT FOR CONNECTING AN ELECTRIC CONNECTION TO A WALL, AND PROTECTIVE CAP FOR AN INSERT - The invention relates to an insert for connecting an electric connection to a wall ( | 2021-10-21 |
20210328393 | ANTI-ARC CONNECTOR AND PIN ARRAY FOR A PORT - To reduce sparks and arcing if an RJ plug is removed from an RJ jack while a PoE signal is present, the jack includes contact terminals for making electrical contact with blades of the plug. At least two primary contact terminals have first engagement portions positioned a first distance from the opening. At least one secondary and/or tertiary contact terminal has a second and/or third engagement portion, which is positioned less than the first distance from the opening. The engagement portions are the last portions of the contact terminals to make electrical contact with corresponding blades of the plug upon removal of the plug. At least one of the first engagement portions is formed of a first material different from a second material used to form at least one of the second or third engagement portions. One of the materials is formed to resist damage from sparks better than the other material. | 2021-10-21 |
20210328394 | CASES FOR MOBILE DEVICES WITH A FLEXIBLE COVERING AND RIGID FRAME OR WITH TWO DIFFERENT CONNECTOR ARRANGEMENTS AND METHODS OF MAKING AND USING - A case for a mobile device includes a flexible covering defining a cavity for receiving and holding the mobile device; a rigid frame at least partially disposed within the flexible covering; and an adapter disposed at least partially within the rigid frame and the flexible covering, the adapter including first contacts, a male plug extending into the cavity, and second contacts disposed on the male plug and electrically coupled to the first contacts; where the adapter, in combination with at least one of the flexible covering or the rigid frame, defines a first male structure extending away from the cavity, where the first contacts of the adapter are disposed on the first male structure. Another case includes at least the flexible covering and adapter and also includes a female connector electrically coupled to the second contacts and having an opening disposed on the first male structure. | 2021-10-21 |
20210328395 | DATA CABLE - The present disclosure provides a data cable. The data cable includes a first connecting part, a second connecting part and a rotating shaft. The first connecting part includes an adapter plate. The second connecting part includes a fixed core, and at least one first conducting connection sheet and second conducting connection sheet arranged on the fixed core. The fixed core is provided with a through groove . When the adapter plate is rotatably connected to the fixed core, the first conducting connection sheets and the second conducting connection sheets are electrically connected to the adapter plate to realize charging and/or data transmission. According to the data cable provided by the present disclosure, a relative angle between the first connecting part and the second connecting part can be adjusted according to needs, thereby reducing a bending force. Therefore, the data cable is convenient to use and unlikely to damage. | 2021-10-21 |
20210328396 | HINGED BUSBAR ASSEMBLY - A hinged busbar assembly includes a first mounting busbar configured to be electrically and mechanically connected to the first component at a fixed connection, a second mounting busbar configured to be electrically and mechanically connected to the second component at a fixed connection, and at least two extension busbars extending between the first and second mounting busbars. Adjacent extension busbars are electrically and mechanically connected to each other at a pivotal connection. One of the at least two extension busbars is electrically and mechanically connected to the first mounting busbar at a pivotal connection, and another one of the at least two extension busbars is electrically and mechanically connected to the second mounting busbar at a pivotal connection. Each pivotal connection includes at least one extension extending from each adjacent busbar and at least one electrical contact mounted in each extension, and a pin inserted through the electrical contacts. | 2021-10-21 |
20210328397 | Direct-current Motor Commutator Structure and Direct-current Motor - A direct-current motor commutator structure includes: a commutator base, comprising a front pressing ring, a pressing plate and a sleeve that are sequentially abutted, a sealing ring being provided between the front pressing ring and the pressing plate, and between the pressing plate and the sleeve constituting a bearing area; a commutator, mounted in the bearing area and having opposite first and second portions; a sealing element being potted or provided between the second portion and the sleeve; an equalizing cable, mounted on an outer side of a first potting area formed by the first portion, the pressing plate and the front pressing ring, abutting against the first portion and the front pressing ring, and covering the first potting area; and an armature coil, clinging to the equalizing cable and located on an outer side of a second potting area formed by the equalizing cable and the front pressing ring. | 2021-10-21 |
20210328398 | METHOD FOR CONNECTING TWO MINERAL-INSULATED CABLES, ARRANGEMENT HAVING TWO MINERAL-INSULATED CABLES JOINED TO ONE ANOTHER, AND ALSO CABLE, SHAPED ELEMENT AND JOINING KIT FOR JOINING TWO CABLES - A method for joining a first cable to a second cable that each include at least one electrically conductive inner conductor, an outer sheath which at least partially surrounds the at least one inner conductor, and an insulation material which is arranged at least partially between the at least one inner conductor and the outer sheath. The method includes: bringing an end of each cable together such that at least one inner conductor of the cables are opposite one another and a fusible conductor joining material having a lower melting point than the at least one inner conductor is present in between; and heating at least one of the cables from the outside such that the heat penetrates into an interior of the at least one heated cable so the fusible conductor joining material melts and electrically connects the at least one inner conductor of the cables to one another. | 2021-10-21 |
20210328399 | SYSTEMS AND METHODS FOR DETERMINING A STATUS OF AN ACTION PERFORMED BY A POWER TOOL - Systems and methods for determining a status of an action performed by a power tool. For example, the power tool includes a power tool housing, an accessory, and an electronic processor. The housing includes a recess and an input device. The accessory is configured to be received by the recess. The accessory includes an identifier. The electronic processor is connected to the input device. The electronic processor is configured to receive a first signal from the identifier, determine an accessory type based on the first signal, receive a second signal from the input device, initiate an action based on the second signal, determine an outer diameter of the workpiece, calculate a force applied by the power tool, determine a distance traveled by the accessory during the action, and determine a status of the action based on the force applied to the workpiece and the distance. | 2021-10-21 |
20210328400 | BROADBAND HO-DOPED OPTICAL FIBER AMPLIFIER - A broadband optical amplifier for operation in the 2 μm visible wavelength band is based upon a single-clad Ho-doped fiber amplifier (HDFA). A compact pump source uses a combination of discrete laser diode with a fiber laser (which may be a dual-stage fiber laser) to create a pump output beam at a wavelength associated with creating gain in the presence of Ho ions (an exemplary pump wavelength being 1940 nm). The broadband optical amplifier may take the form of a single stage amplifier or a multi-stage amplifier, and may utilize a co-propagating pump and/or a counter-propagating pump arrangement. | 2021-10-21 |
20210328401 | LASER LIGHT ENERGY AND DOSE CONTROL USING REPETITION RATE BASED GAIN ESTIMATORS - A laser system's laser light energy control and resulting dose control is improved by creating and using a set of gain estimators, one for each of a set or range of laser light pulse repetition rates. When a new repetition rate is used, its corresponding gain estimator is retrieved, used to compute the voltage to fire the laser source, and updated. The resulting generated laser light thereby avoids the convergence delay inherent in prior laser systems and, further, can repeatedly do so with subsequent specified repetition rates. | 2021-10-21 |
20210328402 | OPTICAL PHASE LOCKED LOOPS FOR GENERATING HIGHLY-LINEAR FREQUENCY CHIRPS - Various disclosed embodiments provide illustrative interferometers, optical phase locked loops, laser systems, interferometry methods, and phase locked loop methods. In illustrative embodiments, light from a laser is split into a first arm and a second arm. Light in an arm chosen from the first arm and the second arm is time delayed. The light in the first arm is split into third, fourth, and fifth arms. The light in the second arm is split into sixth, seventh, and eighth arms. Light in the seventh and eighth arms is phase shifted relative to light in the sixth arm. Light in the third, fourth, and fifth arms is combined with light in the sixth arm and phase shifted light in the seventh and eighth arms, respectively. A frequency correction signal for the laser is generated. | 2021-10-21 |
20210328403 | ELECTRONIC CHIP SUPPORT DEVICE AND CORRESPONDING MANUFACTURING METHOD - Electronic device comprising a support substrate having a mounting face and an electronic chip having a rear face bonded on the mounting face by a volume of adhesive, wherein the support substrate comprises a plurality of wedging elements projecting from the mounting face so as to hold the chip bearing on contact areas of the wedging elements in a position substantially parallel to the mounting face of the support substrate. | 2021-10-21 |
20210328404 | LIGHT-SOURCE DRIVE DEVICE AND LIGHT-EMITTING DEVICE - An abnormality of output laser light is detected for enhancement in safety. A light-source drive device includes a light-source control unit, a light-receiving unit, and an abnormality detection unit. The light-source control unit included in the light-source drive device controls light emission of a light source. The light-receiving unit included in the light-source drive device receives light from the light source through an output part allowing outward output of light of the light source. The abnormality detection unit included in the light-source drive device detects an abnormality of the light output from the output part, on the basis of the received light. | 2021-10-21 |
20210328405 | OPTICAL RESONATOR WITH LOCALIZED ION-IMPLANTED VOIDS - A high Q whispering gallery mode resonator with ion-implanted voids is described. A resonator device includes a resonator disk formed of an electrooptic material. The resonator disk includes a top surface, a bottom surface substantially parallel to the top surface, and a side structure between the top surface and the bottom surface. The side structure includes an axial surface along a perimeter of the resonator disk, where a midplane passes through the axial surface dividing the axial surface into symmetrical halves. The whispering gallery mode resonator disk includes voids localized at a particular depth from the top surface. At least one of the voids localized at the particular depth from the top surface is located at an outer extremity towards the perimeter of the resonator disk. The resonator device can further include a first electrode on the top surface and a second electrode on the bottom surface. | 2021-10-21 |
20210328406 | SURFACE EMITTING LASER ELEMENT AND MANUFACTURING METHOD OF THE SAME - A surface emitting laser element formed of a group III nitride semiconductor, comprising: a first clad layer of a first conductivity type; a first guide layer of the first conductivity type having a photonic crystal layer formed on the first clad layer including voids disposed having two-dimensional periodicity in a surface parallel to the layer and a first embedding layer formed on the photonic crystal layer; a second embedding layer formed on the first embedding layer by crystal growth; an active layer formed on the second embedding layer; a second guide layer formed on the active layer; and a second clad layer of a second conductivity type formed on the second guide layer, the second conductivity type being a conductivity type opposite to the first conductivity type. The first embedding layer has a surface including pits disposed at surface positions corresponding to the voids. | 2021-10-21 |
20210328407 | PHOTON-PAIR SOURCE FOR QUANTUM APPLICATIONS - Aspects of the present disclosure are directed to photon-pair sources based on an external-cavity laser comprising a gain element and a planar-lightwave circuit that includes a surface-waveguide-based mirror and a ring resonator that enables four-wave mixing, where the surface-waveguide mirror and the ring resonator reside within the gain cavity of the laser itself. As a result, photon-pair sources in accordance with the present disclosure can have: (1) a larger free-spectral range for the entire laser cavity to enable generation of a single wavelength to realize single-mode operation without additional stabilization; and (2) low laser noise, thereby enabling detection and use of the generated photon pairs. | 2021-10-21 |
20210328408 | SURFACE EMITTING LASER AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a surface emitting laser according to an embodiment of the present disclosure includes the following two steps:
| 2021-10-21 |
20210328409 | QUANTUM DOT COMB LASER - A quantum dot comb laser, is provided that comprises a first waveguide having a first width; and a second waveguide running above the first waveguide that includes: a quantum dot layer; a first region of a second width less than the first width; a second region connected to the first region and comprising a reflective grating; and a third region connected at a first end to the second region and at a second end to an output surface wherein the third region tapers from the second width at the first end to a third width, less than the second width, at the second end. | 2021-10-21 |
20210328410 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device of an embodiment of the present disclosure includes: a nitride semiconductor substrate having, as a principal plane, a plane inclined from a c-plane in an m-axis direction in a range from 60° to 90° both inclusive; an underlayer provided on the nitride semiconductor substrate and including a first layer and a second layer that are stacked on each other, the first layer including Al | 2021-10-21 |
20210328411 | Dual Quantum Cascade Laser Micropackage - The present invention is directed to an ultra-compact dual quantum cascade laser assembly that nearly doubles the strength of a traditional laser in a in a single hermetically sealed micropackage. The device may comprise two quantum cascade lasers that meet at a combiner to create a single laser with a higher strength than traditional lasers. The current invention provides a path to an ultra-compact coherent beam combing arrangement that uses both dichroic beam combining and polarization beam combining techniques. | 2021-10-21 |
20210328412 | MULTI-LASER ARRANGEMENT, IN PARTICULAR AN RGB LASER MODULE DEVICE - A multi-laser arrangement, in particular an RGB laser module, having a housing with a housing cap having at least one opening formed therein and a transparent element associated therewith for the passing of electromagnetic radiation. The housing cap coupled to a base plate. A first laser emitting in the red spectral range, a second laser emitting in the green spectral range, and a third laser emitting in the blue spectral range are arranged in the housing. An electrical connection line is routed through the housing to each respective laser. During operation of a laser, a majority of its emitted light passes through the transparent element. Each laser is arranged on a pedestal; spaced apart from the lower surface of the base plate; and is aligned with one another. The main direction of laser emission is substantially parallel to the base plate of the housing. | 2021-10-21 |
20210328413 | BUS SECTION OF A CURRENT CARRYING BUS ITSELF CONFIGURED AS A HEAT SINK IN AN ELECTRICAL SYSTEM - An electrical system comprises a first structure, an element or a bus of an electrical structure that conducts electricity and configured to flow electric current therethrough. The electrical system further comprises an extended second structure that extends past an adjoining section of the electrical structure with current flow and that acts as a heat sink not in line with a path of current flow such that the heat sink allows for heat to move through the heat sink but with no current flow through the heat sink because there is no voltage gradient in the extended second structure. The heat sink is a bus section of the bus such that both of them are in a one-piece form. | 2021-10-21 |
20210328414 | POKE-THROUGH ELECTRICAL OUTLET ASSEMBLY WITH LEVELING BEZEL - An electrical outlet assembly is mountable in a floor or work surface, and includes an upper bezel and a lower insert that are joined in a non-rigid manner that permits some adjustment to the spacing and/or tilt of the upper bezel relative to the lower insert. The upper bezel and lower insert are joined together by a plurality of fasteners extending between a plurality of fastener receivers coupled to the upper bezel, and to the lower insert. At least one end of each coupling fastener is loosely captured in such a way that when the coupling fasteners are fully secured, they are permitted to move axially relative to the fastener receiver or the lower insert. This allows the lower insert to be repositionable in its axial direction relative to the upper bezel, and also permits the lower insert to be tilted out of alignment with the upper bezel. | 2021-10-21 |
20210328415 | ELECTRIC JUNCTION BOX MOUNT APPARATUS - An electrical junction box mount apparatus including a base for mounting to a mounting surface and a lid sized to seal against the base. The base includes a mounting portion having a penetration area. A periphery of the penetration area is circumscribed via a groove formed into a bottom surface of the base such that upon placing the base on a mounting surface, the groove encloses empty space within the groove against the mounting surface. | 2021-10-21 |
20210328416 | DEVICE FOR THE FEED-THROUGH AND STRAIN RELIEF OF STRANDS - The invention relates to a device for the feed-through and strain relief of strands through a wall opening having a frame arranged around and/or at least partially in the wall opening, having at least one strain relief grommet which encloses the strand and is accommodated at least positively in the frame, wherein the frame comprises at least two detachably connected frame parts, between which the strain relief grommet is directly or indirectly pressed in the connected state of the frame parts. | 2021-10-21 |
20210328417 | WIRING SHEET, SHEET-SHAPED SYSTEM, AND STRUCTURE OPERATION SUPPORT SYSTEM - A wiring sheet includes one or more carbon wires each of which is one of a signal line and a power supply line, and which are conductors including carbon as a main material and have flexibility; and an insulation sheet that encloses substantially an entirety of the one or more carbon wires, includes an electrical insulator as a main material, and has flexibility. | 2021-10-21 |
20210328418 | CLAMP FOR FLAT CONDUCTOR, WIRE HARNESS, AND ASSEMBLY - A clamp for a flat conductor is used in attaching the flat conductor to an attachment target. The clamp includes: a clip portion to be engaged with the attachment target; and a main body to hold the flat conductor. The clip portion has a first projection, the main body has a second projection, and the first projection and the second projection protrude to be opposed each other. The clip portion and the main body are configured to allow switching from an unlocked state to a locked state. The locked state restricts a relative movement between the clip portion and the main body in an axial direction of the flat conductor due to an engagement between the first projection and the second projection. The unlocked state allows the relative movement in both sides in the axial direction. | 2021-10-21 |
20210328419 | METHODS & SYSTEMS FOR ACTIVE LIGHTNING PREVENTION - According to one implementation of the present disclosure, a method for field destabilization is disclosed. The method includes detecting, on or proximate to one or more aerial surfaces, a presence of an electric-field above a predetermined threshold; positioning the one or more antennas towards the one or more aerial surfaces; and transmitting electromagnetic waves towards the one or more aerial surfaces. | 2021-10-21 |
20210328420 | Cable Sealing Device and Cable Sealing System - The invention relates to a cable sealing device comprising: a first plate having a group of first holes and configured to be mounted to a first side of a housing wall; a second plate having a group of second holes and configured to be mounted to a second side of a housing wall; and a soft elastic sealing element configured to be mounted between one of the first and second plates and the housing wall. The group of first holes and the group of second holes and the sealing element are configured to receive a group of cables, and the first and the second plate can be biased toward each other, so that the sealing element can be pressed and elastically deformed. The sealing element can seal and fix the group of cables in the housing wall in a pressed and elastically deformed status. The invention also relates to a cable sealing system comprising a housing wall and the cable sealing device. The cable sealing device is simple in structure and easy to assemble, and can ensure good sealing and fixing of the cables. | 2021-10-21 |
20210328421 | RELAY TEMPERATURE MEASURING DEVICE AND METHOD - A relay temperature measuring device is provided. The device includes a sensor that measures an output of a battery and generates output measurement information and one or more relays that are disposed on a conductive line between the battery and a load. Additionally, a controller compares a relay temperature calculated using both-end measurement power information generated by measuring both ends of a conductor in a vehicle and the output measurement information with a preset temperature reference value, and connects or disconnects the relays based on a comparison result. | 2021-10-21 |
20210328422 | ELECTRONIC VALVE APPARATUS - The present disclosure relates to an electronic valve apparatus for a high voltage direct current, HVDC, power transmission system. The electronic valve apparatus comprises a first device chain ( | 2021-10-21 |
20210328423 | CURRENT LIMIT CIRCUIT AND METHOD - A method and circuit for protecting circuit elements in a traffic control system from an overcurrent condition. In accordance with an embodiment, the circuit includes a current sensing element, a switching element, and a microcontroller. The circuit monitors first and second operating parameters and compares the first operating parameter with a first reference parameter and the second operating parameter with a second reference parameter. In response to the first operating parameter exceeding the first reference parameter and the second operating parameter exceeding the second reference parameter, the microcontroller generates a control signal to open the switching element. | 2021-10-21 |
20210328424 | OVERCURRENT PROTECTIVE CIRCUIT AND DISPLAY PANEL - The present disclosure proposes an overcurrent protective circuit and a display panel. The overcurrent protective circuit includes a power supply circuit, a logic algorithm circuit, and an overcurrent protective circuit. The logic algorithm circuit is additionally arranged in the overcurrent protective circuit. The logic algorithm circuit set different threshold currents of overcurrent protection for the display panel according on different driving frequencies. The overcurrent protective circuit adjusts the protective components inside the overcurrent protective circuit in accordance with the set threshold currents. Therefore, the display panel is protected by the overcurrent protective circuit at different frequencies. | 2021-10-21 |
20210328425 | ELECTROSTATIC DISCHARGE (ESD) BLOCKING CIRCUIT - An electrostatic discharge (ESD) blocking circuit including an internal circuit, a first Schottky diode, and an ESD releasing element is provided. The first Schottky diode is coupled between a specific node and the internal circuit. The ESD releasing element is coupled between the specific node and the first power terminal. In response to an ESD event occurring at the specific node, the ESD releasing element is turned on to release the ESD current from the specific node to the first power terminal. | 2021-10-21 |
20210328426 | CIRCUIT FOR REDUCING FIRE HAZARD RISK IN A POWER DISTRIBUTION NETWORK - Disclosed is a system that reduces fault currents in a power grid, thereby reducing the risk of unintentionally igniting a fire when an object comes in proximity to a high voltage power line. The circuit comprises an isolation transformer, a neutral connection, a current compensating device, and an automatic recloser or other circuit interrupting type protection system. The isolation transformer may comprise a delta-delta or delta-zigzag transformer with a one-to-one ratio between the input and output voltages and phase angle. The current compensating device is connected to the neutral and configured to redirect a substantial portion of a fault current to ground through the isolation transformer neutral instead of the fault itself. The current compensating device may comprise an arc suppression coil tuned to match the capacitance of the three phase outputs, or an inverter. | 2021-10-21 |
20210328427 | DC POWER SUPPLY AND DISTRIBUTION SYSTEM - A DC supply and distribution system includes an AC-DC converter for converting an AC power input from an AC power line to DC powers having a plurality of different voltages and outputting the converted DC powers; and a voltage controller for controlling the different voltages of the DC powers to be output from the AC-DC converter. The output DC powers are distributed to the plurality of loads through a plurality of respective DC lines connected from the output terminals of the AC-DC converter. | 2021-10-21 |
20210328428 | SPLIT LOAD CONNECTION - If an additional power source is introduced at the distribution level it is then possible for power to flow back into the grid. This is a potentially undesired scenario, so much so that some entities enacted laws to regulate/control this scenario. There are also regulations in some places that restricts off-grid scenarios. The present disclosure is directed to embodiments that can operate with the grid, or islanded, with a range of grid load from 0-100%. 10% grid load is described as a model for abiding by legal interconnection/tax requirements. At the interconnection point/points there is typically protection and or control technology such as fuses in a circuit-breaker that limit current to a particular load or loads. A solution to this scenario, using split load configuration according to embodiments of the present disclosure, allows for both distributed generation and no power flow back into the grid. | 2021-10-21 |
20210328429 | FAULT CONTROL FOR A WIND FARM WITH PRIORITIZATION OF THE EXTERNAL SETPOINT-VALUE SPECIFICATIONS - A method for controlling a wind farm, which is operated by means of a wind farm control unit and comprises a multiplicity of wind power installations having wind power installation controllers and being connected to one another via a common wind farm grid, which is connected to an electrical power supply grid of a grid operator by means of a wind farm transformer, comprising the following steps: reception of at least one fault bit at the wind farm control unit, in particular at least one fault bit of the grid operator, deactivation of all external setpoint value specifications at the wind farm control unit apart from those of the grid operator after reception of the fault bit, activation of a closed-loop fault case control implemented in the wind farm control unit after successful deactivation of all external setpoint value specifications apart from those of the grid operator. | 2021-10-21 |
20210328430 | POWER ADAPTERS ADAPTED TO RECEIVE A MODULE AND METHODS OF IMPLEMENTING POWER ADAPTERS WITH MODULES - A plurality of power adapters configured to apply power to loads is described. The plurality of power adapters may comprise a first power adapter configured to apply power to a first load, the first power adapter having a first recess for receiving a first module that is removably attached to the first recess; a second power adapter configured to apply power to a second load, the second power adapter having a second recess for receiving a second module that is removably attached to the second recess; and a control device adapted to identify the first power adapter and the second power adapter; wherein the control device is adapted to map the first power adapter and the second power adapter based upon locations of the first power adapter and the second power adapter. | 2021-10-21 |
20210328431 | FAULT-TOLERANT GRID FREQUENCY MEASUREMENT ALGORITHM DURING TRANSIENTS - A system determines the frequency of grid signals corresponding to an electrical grid in real time. The system includes a transient detector that monitors a grid signal from a voltage meter or a current meter connected to the electrical grid. The system produces, in real time and at a sampling rate, a deviation signal indicative of a periodicity of the monitored grid signal. The system determines, over one or more cycles of the monitored grid signal, a measurement signal corresponding to the deviation signal. The system determines a frequency signal that corresponds a frequency estimation of the monitored signal by applying a frequency estimation when values of the measurement signal are less than a deviation threshold and maintaining the frequency signal at a constant value when values of the measured signal equal or exceeds the deviation threshold. | 2021-10-21 |
20210328432 | BATTERY ENERGY STORAGE SYSTEM - A battery energy storage system for use in providing balancing services to an electrical power distribution network is set to monitor the state of charge (SoC) of a storage battery ( | 2021-10-21 |
20210328433 | POWER CONTROLLER APPARATUS FOR POWER SYSTEM INCLUDING CUSTOMER FACILITIES WITH POWER STORAGE APPARATUSES - A reference capacity determiner determines a reference capacity of each power storage apparatus, under an assumption that power is not transmitted/received among the customer facilities. An actual capacity determiner determines an actual capacity of each power storage apparatus, under an assumption that power is transmitted/received among the customer facilities. A characteristic value determiner determines a first number of charging/discharging cycles, under an assumption that power is not transmitted/received among the customer facilities and each power storage apparatus has the reference capacity. A charging/discharging plan determiner determines a second number of charging/discharging cycles, under an assumption that power is transmitted/received among the customer facilities and each power storage apparatus has the actual capacity, and determine a charging/discharging plan of the power storage apparatuses so as to minimize an objective function indicating a degree of degradation from the first number of cycles to the second number of cycles. | 2021-10-21 |
20210328434 | METHOD FOR PROVIDING CONTROL POWER FOR AN ALTERNATING VOLTAGE SYSTEM BY MEANS OF AN ENERGY-GENERATING PLANT - An energy generation system provides balancing power for an AC voltage grid, and comprises a photovoltaic generator and an energy store, wherein the energy generation system exchanges a total electrical power with the AC voltage grid ( | 2021-10-21 |
20210328435 | INVERTER - This application discloses an inverter, including: a direct-current conversion unit, a busbar unit, and an inversion unit. The direct-current conversion unit includes a first positive input terminal, a first negative input terminal, a second positive input terminal, a second negative input terminal, a first direct current DC-to-DC module, a second DC-to-DC module, a first on/off control device, a second on/off control device, a first switch, and a second switch. The first positive input terminal and the first negative input terminal are configured to connect a first photovoltaic string, the second positive input terminal and the second negative input terminal are configured to connect a second photovoltaic string, and a connection relationship of a circuit in the direct-current conversion unit can be changed based on combinations of turning-on or turning-off of the first switch and the second switch. | 2021-10-21 |
20210328436 | PHOTOVOLTAIC CONVERTER STRING, CONTROL METHOD, AND SYSTEM - A photovoltaic converter string is provided, to control, one of switching transistors in a buck/boost circuit of the photovoltaic converter to be conducted, wherein the switching transistors are connected in parallel to a bypass diode; and control the other switching transistors in the buck/boost circuit to be cut off. Therefore, an output voltage of the photovoltaic converter is applied to both ends of the non-conducted switching transistor in the switching transistors connected in parallel to the bypass diode, and after the output voltage of the photovoltaic converter reaches a breakdown voltage of the non-conducted switching transistor, an avalanche breakdown occurs on the non-conducted switching transistor, and a voltage of both ends of the bypass diode connected to a positive output end and a negative output end of the photovoltaic converter is clamped to be less than or equal to the breakdown voltage of the switching transistor. | 2021-10-21 |
20210328437 | SELF-SYNCHRONIZING DEVICES, SYSTEMS, AND METHODS - The present disclosure is directed to self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase of two or more power sources. The disclosed embodiments enable a modular power system to serve as the primary or secondary source of power for applications requiring loads from a few kilowatts (kW) to the scale of megawatts (MW). The modular system is generalized to use either a single or multiple power generation sources at once, with the ability to connect and self-synchronize voltage, frequency, and phase of a variety of different types of power sources. Power control systems designed to function with self-synchronizing technology enable a modular power system to satisfy a wide variety of needs, simplifying the existing method of achieving synchronization and enabling new features of resiliency and expandability. The self-synchronization can be implemented into a wide variety of electronics including but not limited to inverters and generator controllers. | 2021-10-21 |
20210328438 | MODULAR MICROGRID SYSTEMS AND METHODS - The present disclosure is directed to modular microgrids and more particularly to core modules that comprise self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase with other power sources. The disclosed embodiments enable a modular power system to serve as the primary or secondary source of power for applications requiring loads from a few kilowatts (kW) to the scale of megawatts (MW). The modular system is generalized to use either a single or multiple power generation sources at once, with the ability to connect and self-synchronize voltage, frequency, and phase of a variety of different types of power sources. Power control systems designed to function with self-synchronizing technology enable a modular power system to satisfy a wide variety of needs and enable new features of resiliency and expandability. | 2021-10-21 |
20210328439 | SYSTEM AND METHOD FOR CONTROLLING A HIGH-VOLTAGE BATTERY SYSTEM - A circuit for controlling a battery includes a switch. The switch includes a source, a gate, and a drain. The drain of the switch is configured to be connected to a positive terminal of the battery. The circuit also includes a first diode. The first diode includes an anode and a cathode. The anode of the first diode is connected to the source of the switch. The cathode of the first diode is connected to the drain of the switch and is configured to be connected to the positive terminal of the battery. The circuit also includes a second diode. The second diode includes an anode and a cathode. The anode of the second diode is configured to be connected to a negative terminal of the battery. The cathode of the second diode is connected to the source of the switch and to the anode of the first diode. | 2021-10-21 |
20210328440 | ASSEMBLY OF ELECTRICAL ENERGY STORAGE OR PRODUCTION CELLS COMPRISING A MANAGEMENT CIRCUIT FOR MANAGING THE CELLS - An assembly able to deliver an output current, includes N electrical energy storage or production cells of rank i, where N≥2, being able to supply a maximum current I | 2021-10-21 |
20210328441 | BATTERY SYSTEM, CONTROL METHOD OF CELL BALANCE PROCEDURE, AND CALCULATION METHOD OF BALANCE CHARGE CAPACITY - A battery system, a control method of a cell balance procedure and a calculation method of a balance charge capacity are provided. The battery system includes a plurality of battery units, a communication bus and a host control unit. Each battery unit includes a plurality of cells, an isolated charger, a switch array circuit, a balance slave switch and a balance slave controller. The host control unit includes a balance host controller, a balance host switch and a system current measurement unit. When the error between a balance detection voltage calculated by each balance slave controller and the balance detection voltage calculated by the balance host controller is less than a predetermined value, the balance host switch and the corresponding balance slave switches are in conduction and the specified plurality cells of battery system are charged for keeping cell balance purpose. | 2021-10-21 |
20210328442 | BATTERY AND EXTERNAL COMPONENT - The present invention discloses a battery and an external component, which belong to the field of power supply technologies for a movie and television shooting apparatus. The battery of the present invention is used in cooperation with an external component, including at least two battery packs, a microcontroller, and a series-parallel switching circuit, and further including a connector in cooperation with the external component, the microcontroller controlling the series-parallel switching circuit according to a cooperation state of the connector and the external component, so that the battery packs are connected in series or in parallel. The present invention can be compatible with a high/low voltage camera and a high/low voltage charger automatically. | 2021-10-21 |
20210328443 | SAFETY CIRCUITS FOR WIRELESS POWER TRANSFER - A magnetic inductive resonance charging circuit includes a resonant network having an inductive secondary coil that converts a magnetic field received from an inductive primary coil into an alternating current (AC) signal and a synchronous rectifier that rectifies the AC signal to generate a direct current (DC) signal for application to a load. The synchronous rectifier includes a variety of configurations for shunting the AC waveform of an AC current source in the event of a fault. For example, a rectifier controller may hold a pair of normally open switches of the rectifier off and a pair of normally closed switches of the rectifier on to shunt the AC current source when an over-voltage, over-current fault condition or an over-temperature fault condition is detected. Configurations are provided for grounding the capacitive electromagnetic interference produced in the chassis of an electric vehicle when the resonant network is unbalanced. | 2021-10-21 |
20210328444 | SAFETY CHARGING SYSTEM FOR ELECTRIC VEHICLE AND SAFETY CHARGING METHOD THEREFOR - A safety charging system includes: a motor and an inverter which boost a voltage charged from a high-speed battery charger to a high voltage battery; a current variation amount sensor configured to detect variation amount of a current flowing in a motor coil from the high-speed battery charger; and a controller configured to determine that a rotor of the motor rotates when the variation amount of the current detected in the current variation amount sensor is greater than a reference value and perform control of interrupting a charging process. | 2021-10-21 |
20210328445 | CONTROL SYSTEM FOR A BATTERY SYSTEM - A control system for a battery system is provided. The control system includes a master controller and a slave controller using light-based communication. The master controller includes a light source and a transmission controller controlling the light source, and the slave controller includes a photo-sensitive element, a wake-up circuit, a power supply node, and a receiver circuit. The photo-sensitive element receives the light signals emitted by the light source and, in response to receiving a wake-up light signal, outputs a wake-up signal to the wake-up circuit, and in response to receiving the wake-up signal from the photo-sensitive element, the wake-up circuit connects the receiver circuit to the power supply node or to the photo-sensitive element. When the receiver circuit is connected to the power supply node and the photo-sensitive element, the receiver circuit receives an operation voltage from the power supply node and receives reception signals from the photo-sensitive element. | 2021-10-21 |
20210328446 | COMMUNICATING BATTERY CHARGER - A battery charger adapted to charge a battery and output battery statue and/or battery information to a mobile computing device and/or a remote server via a wired and/or wireless connection. The battery charger including a rectifier, a controller/processor, a battery connection, an optocoupler, a signal conditioner, and a communication module. | 2021-10-21 |
20210328447 | HEADSET CHARGING AND DATA TRANSMISSION SYSTEM - The present disclosure provides a headset charging and data transmission system, which includes a headset and a charging device. The charging device includes a first controller, a first connector, a first switching device, and a second switching device. The first switching device is electrically connected to the first controller and the first connector, and the second switching device is electrically connected to the first controller and the first switching device. The first controller controls the second switching device to switch between the first and second voltages to provide a first data signal for the first switching device, so that the first data signal is output to the headphones via the first connector. | 2021-10-21 |
20210328448 | SYSTEMS AND METHODS FOR BATTERY CHARGING - Methods and systems for charging (recharging) one or more battery cells are presented by generating a harmonically tuned charge signal, which may involve pulses of a charge signal. The harmonically tuned charge signal includes or otherwise corresponds to a harmonic frequency or frequencies associated with an optimal transfer of energy based on a real and/or an imaginary value of the energy transfer of the battery cell. In one example, the harmonic frequency or frequencies, sometimes generally referred to as harmonics, may be associated with a minimum real impedance value of the battery cell. Aspects involve optimizing a charge signal corresponding to a harmonic, or harmonics, associated with minimum real or resistance and/or minimum imaginary or reactance impedance values of a battery cell. Such a charge signal may improve the efficiency when charging the battery cell by reducing lost energy due to high impedance at the electrodes of the battery cell. | 2021-10-21 |
20210328449 | BATTERY CHARGING METHOD AND APPARATUS - In a method of charging a battery, a charging control device obtains a battery parameter that includes an electrode parameter of the battery and one or more of a structure parameter, a manufacturing process parameter, an electrical parameter, an electrolyte parameter, a diaphragm parameter, and a thermophysical parameter of the battery. The charging control device inputs the battery parameter input into a battery model represented by an ordinary differential equation to obtain a safe charging boundary value of the battery in n cycles, where n is greater than or equal to 2 and less than or equal to N, N is a cycle life of the battery, and the n cycles refer to n cycles selected from 0 to N cycles. The safe charging boundary value is a maximum charging current in which no lithium plating occurs on the battery in different states of charge SOCs and at different temperatures. | 2021-10-21 |
20210328450 | CHARGING METHOD FOR ELECTROCHEMICAL DEVICE, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM - A charging method for an electrochemical device includes the following steps: in a first cycle stage, a charging stage of the first cycle stage has a first cut-off current; and in a second cycle stage, a charging stage of the second cycle stage has a second cut-off current, and the second cut-off current is greater than the first cut-off current. According to the charging method for an electrochemical device, an electronic device, and a readable storage medium provided in the present application, the risk of cyclic gas generation of the electrochemical device can be effectively prevented, and the service life of the electrochemical device can be improved. | 2021-10-21 |
20210328451 | TEMPERATURE-DEPENDENT CHARGING OF ASSET TRACKING DEVICES - Methods, systems, and devices for temperature-dependent charging of supercapacitor energy storage units of asset tracking devices are provided. An example method for temperature-dependent charging involves obtaining a temperature reading measured at an asset tracking device, the asset tracking device located at an asset to monitor travel of the asset, determining a target voltage for a supercapacitor energy storage unit of the asset tracking device based on the temperature reading to balance utilization of a capacity of the supercapacitor energy storage unit against temperature-dependent deterioration of the supercapacitor energy storage unit, and controlling a charging interface of the asset tracking device to charge the supercapacitor energy storage unit to the target voltage. | 2021-10-21 |
20210328452 | ADAPTABLE PRECHARGE SYSTEM - Adaptable precharge devices, systems, and methods implemented within electrical systems can manage voltage differential between different portions of the system to provide appropriate contactor closure conditions. Communication of power between source and load can be implemented while reducing impact to components which can improve lifecycle. | 2021-10-21 |
20210328453 | SYSTEM AND METHOD FOR MANAGING ELECTRICAL POWER DRAWN FROM A VEHICLE ALTERNATOR - The present application relates to a system for managing electrical power drawn from a vehicle alternator to supply power to an auxiliary system The system comprises a controller configured to: determine an output voltage of the vehicle alternator; perform a comparison of the output voltage of the vehicle alternator to a threshold; and adjust a power demand of the auxiliary system according to the result of the comparison. | 2021-10-21 |
20210328454 | POWER SUPPLY DEVICE AND POWER SUPPLY SYSTEM - The present specification relates to a power supply device and a power supply system capable of supplying uninterruptible power, and to a power supply device and a power supply system, which comprise a breaker for controlling a connection in a power bus to which a plurality of power supply devices are connected, and thus the breaker is opened and closed according to various situations occurring in the system so as to control power demand and supply, and thus a UPS function can be performed between the plurality of power supply devices. | 2021-10-21 |
20210328455 | SYNCHRONIZATION CONTROL CIRCUIT AND UNINTERRUPTIBLE POWER SUPPLY APPARATUS INCLUDING THE SAME - A synchronization control circuit transforms a three-phase AC voltage supplied from a commercial AC power supply to a vector on rotational coordinates and calculates a first phase difference between the vector and a d axis. When magnitude of the first phase difference is larger than a prescribed value, the synchronization control circuit sets the first phase difference as it is as a second phase difference. When magnitude of the first phase difference is smaller than the prescribed value, the synchronization control circuit generates the second phase difference in reverse polarity to the first phase difference, and controls a frequency of a clock signal so as to set the second phase difference to 0 degree. | 2021-10-21 |
20210328456 | INTELLIGENT GRID OPERATING SYSTEM TO MANAGE DISTRIBUTED ENERGY RESOURCES IN A GRID NETWORK - A grid distribution system aggregates energy resources of multiple distributed energy resources (DERs) and provides service to one or more energy markets with the DERs as a single market resource. The DERs can create data to indicate realtime local demand and local energy capacity of the DERs. Based on DER information and realtime market information, the system can compute how to provide one or more services to the power grid based on an aggregation of DER energy capacity. | 2021-10-21 |
20210328457 | POWER FLOW ANALYSIS DEVICE AND POWER FLOW ANALYSIS METHOD FOR AC/DC HYBRID SYSTEM - The present disclosure proposes a power flow analysis device and a power flow analysis method for an AC/DC hybrid system. Wherein, the device comprises: a memory being stored a computer program; and a processor performing the following steps when executing the computer program: obtaining an AC system voltage and a commutation reaction of the DC transmission system, a first trigger angle of the rectifier, and a second trigger angle of the inverter; constructing an AC equivalent model according to the AC system voltage, the commutation reaction, the first trigger angle, and the second trigger angle; and performing a power flow calculation according to the AC equivalent model to obtain a power flow analysis result of the AC/DC hybrid system. Therefore, the power flow analysis and calculation problem of the AC/DC hybrid system is transformed into the power flow analysis and calculation problem of the pure AC system, which overcomes the problem that the DC system variables are not easily decoupled in the power flow analysis and calculation, and takes into account the efficiency and accuracy of the power flow calculation. | 2021-10-21 |
20210328458 | METHOD AND ARRANGEMENT FOR DETECTING A TOPOLOGY IN A LOW-VOLTAGE NETWORK - A method recognizes topology in low-voltage networks including local substations each having a plurality of output lines connected to a controllable electrical resource, and a control apparatus of each local substation. The method uses a computer arrangement assigning resources to the control apparatuses based on geographical proximity, selecting an assigned resource, transmitting a test control command specific to the selected resource from the control apparatus to the assigned resources, the test control command configured to trigger a change in power consumption or power output of the selected resource, measuring a change in an electrical variable on the output lines of the local substation by using a measuring apparatus, and assigning the selected electrical resource to that output line of that local substation on which a correlation between test control command and change is recognized. An arrangement for recognizing a topology in a low-voltage network is also provided. | 2021-10-21 |
20210328459 | ENERGY HARVESTING ANTENNA FOR HARVESTING ENERGY FROM FREQUENCY MODULATION RADIO SIGNALS - An antenna for harvesting energy from frequency modulation radio signals are provided. An antenna for harvesting energy from frequency modulation (FM) radio signals includes a loop element coupled to an energy harvester; and an inductive element coupled to the loop element, wherein the inductive element is a planar inductor designed to allow impedance matching with the energy harvester, wherein the inductive element that extends an electric field of the loop element, wherein the loop element and the inductive element resonate at an FM frequency band. | 2021-10-21 |
20210328460 | COIL MEMBER, CONTACTLESS-TYPE POWER TRANSMISSION DEVICE, ELECTROMAGNETIC WAVE IRRADIATION/RECEPTION DEVICE, POWER TRANSMISSION/INFORMATION COMMUNICATION DEVICE, AND AUTONOMOUS MOBILE ROBOT SYSTEM - A first disclosure is a coil member wherein a lead wire is wound in oval shape, with an oval-shaped cross section being curved along a major-axis direction of the oval-shaped cross section and having a curvature axis in a direction parallel to a minor-axis direction of the oval-shaped cross section. A second disclosure is a contactless-type power transmission device provided with: a coil member as a first coil; a second coil; and a tilting shaft that makes variable, using the curvature axis as a rotating axis, an inclination between a central axis of the first coil, which is a rotational symmetry axis of the first coil, and a central axis of the second coil. | 2021-10-21 |
20210328461 | WIRELESS CHARGER - A wireless charger, which performs wireless charging in a reception coil and a transmission coil is provided. The wireless charger includes a first filter having a first coil, a first capacitor, a second capacitor, a first switch, and a second switch. Additionally, the wireless charger includes a second filter having a second coil, a third capacitor, a fourth capacitor, a third switch, and a fourth switch. A controller performs a first mode of turning off the second switch and the fourth switch when turning on the first switch and the third switch, and a second mode of turning on the second switch and the fourth switch when turning off the first switch and the third switch. | 2021-10-21 |