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111 results about "Multi coil" patented technology
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Dynamic electromagnetic shielding method for complex electromagnetic environment and shielding device thereof
PendingCN121711981AMagnetic/electric field screeningBiological modelsMagnetic disturbanceElectromagnetic shielding
The invention discloses a dynamic electromagnetic shielding method for a complex electromagnetic environment and a shielding device thereof, and the method comprises the steps: obtaining real-time voltage data in the complex electromagnetic environment, carrying out the voltage feature analysis, outputting a feature vector of a real-time voltage signal, and analyzing the type of an interference source of a current electric field according to the feature vector, performing interference trend time sequence prediction processing on the feature vector through a pre-trained LSTM model according to the interference source type to obtain a time domain voltage value and a phase deviation value, and performing composite loss coefficient calculation on the time domain voltage value and the phase deviation value to obtain a composite loss coefficient; and performing reverse offset signal synthesis processing on the voltage interference signal according to the calculated composite loss coefficient, performing coil dynamic activation processing on a preset multi-coil array according to the synthesized reverse offset signal, generating a directional offset magnetic field corresponding to the real-time electromagnetic interference, and performing electromagnetic offset shielding on the current electromagnetic interference. According to the invention, transient interference can be responded in time, and the electromagnetic shielding effectiveness can be improved.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
Multicoil Balanced Armature Receiver
PendingUS20250294289A1Single transducer incorporationIn the ear hearing aidsElectric machineElectrical connection
A balanced armature receiver is disclosed including a multicoil motor located in a housing and comprising a movable armature connected to a diaphragm separating an interior of the housing into front and back volumes. The multicoil motor is electrically connected to contacts of a terminal board having an integrated capacitor component, wherein electrical connections of the multicoil motor and the capacitor component to the terminal board are configured to change an electrical impedance of the balanced armature receiver based on a frequency of an electrical signal applied to the multicoil motor.
Owner:KNOWLES ELECTRONICS LLC
Hybrid multi-coil collaborative optimization low-field NMR automatic shimming method and system
PendingCN121477086AMeasurements using magnetic resonanceNMR - Nuclear magnetic resonanceControl system
The invention provides a low-field NMR automatic shimming method and system for hybrid multi-coil collaborative optimization. The system comprises an optimization strategy control unit, and a coarse shimming unit, a fine shimming unit, an FID processing and evaluation index calculation unit, a current fitting and optimization unit and a shimming execution and signal acquisition unit which are respectively connected with the optimization strategy control unit. The optimization strategy control unit is used for controlling the overall operation of the system and managing the switching and matching of the coarse homogenizing unit and the fine homogenizing unit; the coarse homogenizing unit and the fine homogenizing unit are used for processing FID signals of a nuclear magnetic resonance spectrometer hardware system, assistance can be achieved through the FID processing and evaluation index calculation unit, and the FID processing and evaluation index calculation unit is used for converting collected original FID into numerical indexes capable of being used for quantifying magnetic field uniformity; the current fitting and optimizing unit is used for providing a basis for each shimming coil to analyze and solve the optimal current, and the shimming execution and signal acquisition unit is used for being connected with a lower computer.
Owner:BEIJING HONGTAI TIANCHENG SCI & TECH LTD CO
High-speed electromagnetic valve, driving circuit and design method
PendingCN121077454AReliability increasing modificationsOperating means/releasing devices for valvesElectrical resistance and conductanceHemt circuits
The invention discloses a high-speed electromagnetic valve, a driving circuit and a design method, and belongs to the technical field of electromagnetic valves. According to the design method of the drive circuit, multiple paths of peak-hold modulation circuits are provided for the multi-coil configuration electromagnetic valve to independently control all sub-coils, so that accurate control over the current of each sub-coil is achieved; the high end of the sub-coil is respectively connected with a power supply and / or a boost power supply through two MOS tubes, and in a peak stage, the control chip controls the boost MOS tubes or the power supply to be conducted, so that current in a loop rises; the lower end of the sub-coil is connected with the ground through an MOS tube and a detection resistor. When the control chip detects that the current in the loop is higher than the upper limit of a preset value, the control chip controls the boost MOS tube or the power supply to be switched off and the current starts to be reduced, and when the current in the sub-coil is lower than the lower limit of the preset value, the control chip controls the boost MOS tube to be switched on and the current rises. According to the invention, the current of each sub-coil in the multi-coil configuration solenoid valve can be accurately controlled.
Owner:BEIJING INST OF TECH +1
Magnetic field migration method and device based on staggered superposed coils
PendingCN122052618AElectronic commutation motor controlVector control systemsElectric machineComputational physics
The invention relates to a mobile magnetic field generation method and device based on multi-coil dislocation superposition, and solves the problems of intermittent magnetic field disconnection, large magnetic field fluctuation and low energy efficiency caused by phase opening, phase closing and positive and negative control required by traditional coil magnetic field movement. One group or more coils are overlapped in a staggered manner in one group of coils and are partially overlapped in space to form a continuous coverage area, smooth migration of a magnetic field is realized through uninterrupted magnetic field movement, and the stability and energy efficiency of the magnetic field are improved. The method is suitable for linear motors, rotating motors, magnetic suspension driving and other scenes needing directional movement of the magnetic field.
Owner:刘成仁
COIL UNIT
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Nondestructive testing device and method for axial force of underwater steel pipe pile
PendingCN121898677AFoundation testingApparatus for force/torque/work measurementMechanical engineeringMechanics
According to the nondestructive testing device and method for the axial force of the underwater steel pipe pile, the device is arranged on the outer wall of the steel pipe pile and in a water environment around a steel structure, and a magnetic induction coil array annularly arranged on the outer wall of the steel pipe pile captures the magnetic flux density change of the steel pipe pile; after modulation of the magnetic field monitoring and modulation module, transmission of the underwater wireless transmission unit and inversion algorithm processing of the rear-end data processing unit, the stress state of the steel pipe pile body is obtained. The method comprises the steps that the signal excitation module applies a background magnetic field to the periphery of the magnetic induction coil array, the magnetic induction coil array induces magnetic field changes outside the steel pipe pile in real time, and the magnetic field monitoring and modulating module recognizes the magnetic field changes and converts the magnetic field changes into voltage signals; the modulated voltage signal is sent to a receiving end underwater through an underwater wireless transmission unit, and a rear-end data processing unit calculates the stress distribution in the pile body according to the change of a multi-point magnetic field and by calling a multi-coil magnetic flux inversion algorithm, and outputs real-time displacement trend, stress change and abnormal alarm information.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD
Multi-coil integrated inner skeleton and conduction-cooled superconducting magnet assembly
ActiveCN115966381BTransformers/reacts mounting/support/suspensionTransformers/inductances coils/windings/connectionsElectrical conductorSuperconducting Coils
The present application relates to a multi-coil integrated inner frame and a conduction-cooled superconducting magnet assembly, the inner frame has a cylindrical cavity on the inner side, a plurality of flange plates are arranged on the outer side, and a plurality of winding grooves for coil conductors are spaced apart; a coil lead-out groove is arranged on the vertical surface of the flange plate; a mounting groove for a quench trigger heater assembly is arranged on the flange plate; a plurality of mounting support structure fixing through holes are arranged on the flange plates at both ends; a plurality of mounting screw holes are arranged on the flange plate; and a plurality of mounting planes are arranged on the outer surface of the multi-coil integrated inner frame. The conduction-cooled superconducting magnet assembly is formed by winding a wire in each winding groove of the above multi-coil integrated inner frame to form a superconducting coil; a quench trigger heater assembly is tightly mounted on the outer surface of the outer layer insulation of the coil; a structure reinforcing layer is wound in the "U" shaped groove of the quench heater; and a support plate is mounted on the outer surface of the inner frame. The present application has a simple overall structure, is easy to manufacture and assemble, and has high reliability of the finished product.
Owner:JIANGSU JACK ZHONGKE SUPERCONDUCTING TECH CO LTD
Rapid test method for multi-coil CVT
The invention provides a rapid test method for a multi-coil CVT, and the method comprises the steps: switching a controller to be connected to a mutual inductor tester, thereby enabling each coil and a corresponding load to form a test loop with the mutual inductor tester; the test loop of the first coil is closed through the switching controller, and then the output voltage is boosted to obtain test parameters; after the test of the first coil is completed, the first test loop is disconnected; a second test loop of the second coil is closed through the switching controller, and then the output voltage is boosted to obtain test parameters; after the test of the second coil is completed, the second test loop is disconnected; and so on. According to the rapid test method of the multi-coil CVT, all lines required by the test can be connected at one time, and the test lines are prevented from being repeatedly disassembled and assembled during the test; in the testing process, load switching does not need to be disconnected and reconnected, direct switching is achieved, voltage reduction is not needed, manual approaching to the tested CVT is not needed, remote operation can be achieved, and safety and high efficiency are achieved.
Owner:NISSIN ELECTRIC WUXI
Wireless network transceiver based on multi-coil coupling
The utility model relates to the technical field of transceivers, in particular to a wireless network transceiver based on multi-coil coupling, which comprises a transceiver body, the transceiver body is mounted on a guide rail through a fixing structure, a first fixing plate is fixedly connected onto the transceiver body, and the end of the first fixing plate is slidably connected with the top end of the guide rail. A second fixing plate is slidably connected into the first fixing plate, the end of the second fixing plate is slidably connected with the bottom end of the guide rail, two tension springs are fixedly connected between the first fixing plate and the second fixing plate, a limiting rod is slidably connected into the second fixing plate, a limiting groove is formed in the first fixing plate, and the limiting rod is clamped with the limiting groove. A protruding block is fixedly connected to the second fixing plate, a plurality of clamping grooves are formed in the guide rail, the protruding block is clamped in the clamping grooves, and a bunching structure is installed on the transceiver body. Therefore, the transceiver body can be installed more easily and flexibly, and the stability is better.
Owner:HUIZHOU NON LINE TECH CO LTD
Multi-coil selection in a charging device
Systems, methods and apparatus for wireless charging are disclosed. A method for operating a wireless charging device includes determining that a chargeable device is positioned proximate to a plurality of charging coils provided at a charging surface of the wireless charging device, identifying two or more charging configurations for the chargeable device, determining power loss while wirelessly transmitting power to the chargeable device for each charging configuration in the two or more charging configurations, and initiating charging of the chargeable device using a charging configuration associated with a lowest power loss to configure the wireless charging device. Each charge configuration includes at least one of the plurality of charging coils.
Owner:AIRA INC
A multi-coil driving based magnetoelectric logic gate circuit and a method for implementing the gate circuit
ActiveCN114221648BAc-dc conversion without reversalLogic circuits characterised by logic functionSoftware engineeringMagnetic logic
The application provides a kind of magnetic logic gate circuit based on multi-coil drive and gate circuit implementation method, belongs to the field of gate circuit structure.The gate circuit includes magnetic field excitation element, magnetic induction element and post-stage rectification module, wherein the magnetic field excitation element includes AC magnetic field excitation element and two DC magnetic field excitation elements, the AC magnetic field excitation element outputs AC magnetic field, which is used for magnetic induction element to generate magnetic-electric coupling effect, two DC magnetic field excitation elements provide DC magnetic field for magnetic induction element, the input end of two DC magnetic field excitation elements serves as two input ends of the magnetic logic gate circuit, the output end of the magnetic induction element is connected to the input end of the post-stage rectification module, the output end of the post-stage rectification module outputs DC voltage, which serves as the output end of the magnetic logic gate circuit.The application can adjust high and low level input according to the change characteristics of magnetic-electric coefficient, and the driving is simple with low failure rate.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
Jointless superconducting multi-coils
PCT designated stageWO2025253027A3Superconducting magnets/coilsCoils manufactureMulti coilMechanical engineering
Owner:ETH ZURICH
Multi-coil incremental permeability dynamic detection probe and yield strength detection method
ActiveCN114859277BEfficient mechanical propertiesEfficiently predict mechanical propertiesNuclear energy generationPermeability measurementsComputational physicsMulti coil
The application provides a multi-coil incremental permeability dynamic detection probe and a yield strength detection method. The probe mode of the multi-coil is used to detect different positions of materials in different magnetization states at the same time. In the movement process, the mechanical properties of the materials can be quickly and efficiently predicted. Compared with the traditional static detection mode, the dynamic detection probe can be used for continuous detection, so as to improve the detection efficiency and realize the purpose of pipeline detection operation.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Transmitting coil of underground high-power in-hole transient electromagnetic instrument
PendingCN121232290AElectric/magnetic detection for well-loggingAcoustic wave reradiationTransmitter coilElectrical resistance and conductance
The invention belongs to the technical field of transient electromagnetic detection, and particularly relates to a transmitting coil of an underground high-power in-hole transient electromagnetic instrument, which adopts a laminated rectangular spiral winding mode and a multi-coil parallel transmitting technology. The stacked rectangular spiral winding can increase the effective area of a single-turn coil and improve the emission magnetic moment under the limitation of the length of a fixed enameled wire, the size of an exploring tube and coal safety explosion-proof voltage and current; multi-coil parallel emission reduces coil resistance and total inductance through in-phase parallel cascading, emission current is improved so as to further increase emission magnetic moment, turn-off time of a primary field is shortened, coal safety explosion-proof requirements can be met, detection capability of a transient electromagnetic instrument is enhanced, data reliability and accuracy are improved, and the method is suitable for popularization and application. The method is suitable for complex underground environment detection.
Owner:FUZHOU HUAHONG INTELLIGENT TECH
Three-phase inductance coil winding device and method
The invention belongs to the technical field of inductance equipment manufacturing, and particularly relates to a three-phase inductance coil winding device and method. Comprising a base, and a driving roller and two driven rollers are mounted at the top of the base; a magnetic ring is connected between the driving roller and the two driven rollers in an abutting mode. A first electric telescopic rod is further installed at the top of the base and located below the magnetic ring, and a wire hook is fixedly arranged at the end of the first electric telescopic rod. According to the invention, the problems of complex process and low efficiency caused by repeated winding and repeated cutting during preparation of the three-phase inductance coil can be avoided through one-time forming, and meanwhile, the magnetic ring is not damaged; the device can quickly adapt to the size change of the magnetic ring and the operation of the rollers, the problem that the magnetic ring cannot rotate due to inaccurate adjustment caused by respective adjustment of the rollers is solved, the device can be quickly reset, and the fine adjustment efficiency is greatly improved; the multi-coil winding and cutting device is suitable for large-current multi-coil winding and cutting at the same time.
Owner:WUHAN CHENYANG ELECTRONICS TECH
Coil electronic component
PendingUS20260142075A1Transformers/inductances coils/windings/connectionsUnwanted magnetic/electric effect reduction/preventionElectronic componentMulti coil
A coil electronic component includes: a body including a magnetic material, four or more coils embedded in the body, and a gap portion comprising a glass material disposed in at least one of regions between adjacent coiling in the four or more coils.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Winding tool suitable for superconducting multi-coil and multi-specification model module
The utility model discloses a winding tool suitable for superconducting multi-coil and multi-specification model modules, which comprises a winding main shaft, a plurality of superconducting coils are arranged at intervals in the axis direction of the winding main shaft, and each superconducting coil is arranged on the winding main shaft through a respective mounting bracket in a non-relative rotation manner. Each installation support comprises a pair of clamping plates which abut against the end portions of the two axial sides of the superconducting coil and a pair of radial clamping mechanisms which abut against the radial inner end portion and the radial outer end portion of the superconducting coil in a matched mode, and the center of each clamping plate is provided with a shaft hole through which the winding main shaft passes. According to the superconducting coil winding device, the multiple superconducting coils are installed on the winding main shaft through the installation support, the multiple superconducting coils can be wound at a time in the winding process, the preparation efficiency of the superconducting coils is improved, the requirement for production of a large number of or large batches of superconducting coils can be met, and the production cost is reduced.
Owner:YAN CHAOYUAN (SHANGHAI) TECHNOLOGY CO LTD
Balanced multi-coil armature receiver
PendingDE102025110103A1Single transducer incorporationIn the ear hearing aidsElectric machineElectrical connection
A balanced armature receiver is disclosed, comprising a multi-coil motor located within a housing and including a movable armature connected to a diaphragm that separates an interior of the housing into a front and rear volume. The multi-coil motor is electrically connected to contacts of a terminal board having an integrated capacitor component, wherein electrical connections of the multi-coil motor and the capacitor component to the terminal board are configured to change an electrical impedance of the balanced armature receiver based on a frequency of an electrical signal applied to the multi-coil motor.
Owner:KNOWLES ELECTRONICS LLC
Accelerated search 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 initiate a search for a chargeable device using analog pings transmitted through power transmitting coils associated with the charging surface, suspend the search when a response to an analog ping transmitted through a first power transmitting coil indicates that an object is located in proximity to the wireless charging device, transmit a first digital ping through the first power transmitting coil, transmitting power through the first power transmitting coil when a response to the first digital ping is received, resume the search, and transmit power through a second power transmitting coil when a response to a second digital ping indicates that more efficient power transfer is available through the second power transmitting coil.
Owner:AIRA INC
Welding-free coil assembling method and device
The invention discloses an assembling method and device for a welding-free coil. The assembling method comprises the steps that the coil is positioned so that the coil can be within the detection range of a visual assembly; identifying the state of the coil through a visual component so as to judge whether the coil is qualified or not; if the coil is qualified, the stitch angle of the coil is identified through the visual assembly; and an angle compensation value is provided for a grabbing assembly according to the pin angle so that the grabbing assembly can assemble the coil and the shell at the correct angle. The visual assembly identifies the peak coordinates of the pins, calculates the height difference and the distance and compares the height difference and the distance with the preset threshold value, unqualified coils can be accurately screened out and scrapped, the problem that in the prior art, when multiple coils are pressed, a single coil fails and cannot be identified is solved, and the assembly quality is guaranteed from the source.
Owner:SHANGHAI QIANGU AUTOMOBILE TECH CO LTD +2
MULTI-COIL ELECTRICAL INDUCTION HEAT TREATMENT SYSTEMS FOR SIMULTANEOUS HEATING OF MULTIPLE CHARACTERISTICS OF A BEARING COMPONENT.
A main inductor circuit is connected to an AC power supply and a passive inductor circuit are assembled as a separable split inductor assembly to form at least one pair of a main heating inductor and a passive heating inductor wherein the main and passive inductor circuits are electromagnetically coupled without physical connection; a bearing component can be brought into the presence of the magnetic flux field created by the main and passive heating inductors to induction heat one or more bearing features in the bearing component with subsequent cooling of the austenitized bearing features in the bearing component.
Owner:INDUCTOHEAT INC
A background field large range adjustable ultra-low field nuclear magnetic resonance measuring device and method
ActiveCN119355606BAnalysis using nuclear magnetic resonanceWater resource assessmentNMR - Nuclear magnetic resonanceLow field nuclear magnetic resonance
The application discloses a kind of background field wide-range adjustable ultra-low field nuclear magnetic resonance measuring device, and a kind of background field wide-range adjustable ultra-low field nuclear magnetic resonance measuring method is also disclosed, the present application adopts flat solenoid to realize high background magnetic field requirement and ultra-low ambient magnetic field, flat solenoid can also accommodate more coil and obtain more turns, realize more extensive background field adjustable range;Flat solenoid both ends are stretched outside magnetic shielding module, which can ensure that the magnetic flux line at the end of flat solenoid is connected outside the shielding area, eliminating the problem of background field inhomogeneity generated by ordinary solenoid coil;The present application can eliminate the interference of ambient magnetic field by passive magnetic shielding and active magnetic field compensation, first, the ambient magnetic field is shielded by multiple electromagnetic shielding cylinders, and then the magnetic field opposite to the ambient magnetic field is generated by the shim coil to actively compensate the magnetic field, to offset the interference of ambient magnetic field;The shim coil can also improve the uniformity of the central magnetic field.
Owner:INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
Multi-coil magnetic field real-time optimization method based on particle swarm optimization and driving system
The invention discloses a multi-coil magnetic field real-time optimization method based on a particle swarm algorithm and a driving system. The magnetic field of a multi-coil magnetic driving system is optimized. The position parameters of the multiple coils are adjusted to generate a magnetic field in the space, and the position parameters of the coils are collected in the process of driving the micro-robot through simulation and experiments. A pre-optimized parameter interval is obtained through particle swarm optimization pre-optimization processing, in order to enable the system to have good real-time performance, small sample sampling is carried out in the pre-optimized parameter interval in the optimization process, the result in the pre-optimized parameter interval is closer to the optimal value through optimization processing, the sampling interval range is very small, and therefore the real-time performance of the system is improved. Small sample sampling can meet the accuracy of the magnetic field, and in addition, real-time optimization of a driving system can also be met. The pre-optimization process of the method can be realized in a simulation environment, the cost can be reduced, and the dependence of the optimization process on real operation is reduced.
Owner:SOUTHEAST UNIV
A wide input range multi-coil winding switching power supply
This invention relates to a multi-coil switching power supply with a wide input range, comprising a switching transformer T2 with three series-connected primary windings, whose secondary windings output negative feedback voltage, 12V, 24V, and 5V respectively; pin 4 of the main control chip U3 is grounded via resistor R28, and also via resistor R28' and phototransistor U6b; LED U6a is connected to the secondary winding Le, which controls transistor Q8, which in turn controls LED U6a, achieving PFM control. Therefore, by using a switching transformer with three series-connected primary windings, the input voltage is divided into three equal parts, allowing it to withstand a wide input range voltage. Furthermore, the PFM control method developed for the PWM control chip achieves good regulation of the wide input range voltage, making it suitable for photovoltaic power plants, wind power, and energy storage.
Owner:SHENZHEN HUAJIE ELECTRICAL TECH
Housing with electromagnetic shielding function and heating equipment
ActiveCN223793276UAfter-treatment apparatusMagnetic/electric field screeningElectromagnetic couplingStructural engineering
The utility model discloses a housing with electromagnetic shielding function and heating equipment, the housing comprises a shielding base, a heightening ring and a shielding top shell, the shielding base and the heightening ring are cylindrical with open upper and lower ends, the shielding top shell comprises a cylindrical side wall and an annular top surface, the heightening ring is installed on the shielding base, and the shielding base and the heightening ring are arranged on the shielding top shell. The shielding top shell is installed on the heightening ring, and the shielding base, the heightening ring and the shielding top shell are all made of metal materials. According to the utility model, the upper side coil and the lower side coil are completely isolated through the housing, so that the shielding effectiveness is greatly improved, electromagnetic coupling during simultaneous working of multiple coils is reduced, and the stability of equipment is improved; meanwhile, the design of the heightening ring can flexibly meet the requirement for up-down movement of the coil, so that the temperature gradient required by crystal growth is met, and equipment is prevented from being damaged; and the spigot connection design facilitates quick disassembly and assembly, and the operation is very convenient.
Owner:NANJING CRYSTAL GROWTH & ENERGY EQUIP CO LTD
Jointless superconducting multi-coils
PCT designated stageWO2025253027A2Superconducting magnets/coilsCoils manufactureMulti coilMechanical engineering
Owner:ETH ZURICH
Multi-coil inductor and production process thereof
PendingCN121034832ATransformers/inductances casingsTransformers/inductances coils/windings/connectionsInsulation layerCoil inductance
The invention relates to the technical field, and discloses a multi-coil inductor and a production technology thereof.The method comprises the steps that a magnetic conductivity material is selected to prepare an EE type magnetic core, and an air gap is formed in the center position of a magnetic core center column; the number of turns, the wire diameter and the winding mode of each coil winding are designed, and an insulating layer is arranged between every two adjacent coil windings; dividing the total magnetic flux into a plurality of equivalent magnetic fluxes by adopting a magnetic field division method, and respectively calculating the magnetic fluxes of all parts and the influence of the magnetic fluxes on the magnetic resistance; the wire diameter and the paint thickness of the coil winding are optimized through finite element analysis, and the self-tuning frequency of the inductor is improved; coil winding is carried out by adopting automatic winding equipment, so that uniform and stable winding is realized; and selecting a packaging material, and packaging the inductor by adopting a vacuum packaging technology. The multi-coil inductor has the advantages of being excellent in high-frequency performance, low in parasitic parameter, uniform in magnetic field distribution and high in packaging reliability, and is suitable for various high-frequency application scenes.
Owner:ZHUZHOU HONGDA MAG-ELECTRIC TECH CO LTD
Coil electronic component
PendingUS20260112536A1Transformers/inductances coils/windings/connectionsUnwanted magnetic/electric effect reduction/preventionElectronic componentMulti coil
A coil electronic component, including: a body including a magnetic material; three or more coils embedded in the body; a plurality of external electrodes disposed outside the body and connected to the coils; and gap portions disposed between the coils and having a different magnetic permeability than the body, wherein one of the gap portions has a different shape than the rest of the gap portions.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Multiple coil low noise amplifier with transimpedance for high frequency radio
PendingUS20250385645A1Amplifier with semiconductor-devices/discharge-tubesAmplifier modifications to reduce detrimental impedenceLow noiseTelecommunications
A multiple coil low noise amplifier with transimpedance is described for high frequency radio. In an example, an amplifier includes a first coil electrically coupled to an input node of an amplifier, configured to provide an input to the input node, a second coil inductively coupled to the first coil and electrically coupled to a ground node of the amplifier, configured to ground the amplifier, a third coil electrically coupled to an output node of the amplifier and to ground, configured to filter an amplifier output at the node, and a fourth coil inductively coupled to the third coil and electrically coupled to the output node, configured to provide the amplifier output.
Owner:NXP USA INC