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WO/2024/077964A1 |
The present invention provides a multi-layer structure filter and a vehicle onboard power supply DC/DC conversion apparatus. The multi-layer structure filter comprises N layers of PCBs which are successively arranged at intervals from to...
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WO/2024/071719A1 |
Disclosed is a multilayered common mode filter having first and second capacitance layers arranged on the top and bottom surfaces, respectively, of an electrode layer provided with a plurality of coil patterns that form two channels. The...
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WO/2023/225905A9 |
The present disclosure provides a filter and a manufacturing method therefor, and an electronic device. The filter comprises an inductor L and a capacitor C, wherein a first electrode of the capacitor C is connected to a first end of the...
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WO/2024/040517A1 |
The present disclosure provides a filter and a preparation method therefor, and an electronic device. The filter comprises a first substrate (100) and a second substrate (200) that are arranged opposite each other, and a connecting subst...
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WO/2023/163810A1 |
An integrated circuit (IC) includes a substrate and a first through substrate via (TSV) in the substrate. The first TSV includes a first metal-insulator-metal (MIM) capacitor. The first MIM capacitor includes a first plate composed of a ...
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WO/2023/129498A1 |
Communication terminals configured for satellite and terrestrial communications and methods of use are disclosed herein. In an embodiment, a communication terminal includes an antenna, a filter and filter control circuitry. The antenna i...
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WO/2023/117988A1 |
A resonance spectrometer for determining characteristics of a device under test, DUT (5) based on a bias voltage (15) from a direct current, DC, source (10) and an alternating current, AC, signal (25) from an AC-source (20) is disclosed....
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WO/2023/087606A1 |
The present disclosure provides a filter circuit and an electronic device, and relates to the field of filters. The filter circuit may comprise a filter and a suppression ring, the suppression ring may be surroundingly disposed at the pe...
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WO/2023/082771A1 |
A DC-terminal multistage filter structure, a motor controller, and a vehicle, wherein the DC-terminal multistage filter structure is fixed to a DC terminal in a controller housing; the head end of the DC terminal is a high-voltage bus 23...
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WO/2023/034736A1 |
A filter unit (10) is provided to retrofit within signal lines that couple analog cockpit gauges (54) to transducers in rotorcraft systems. The filter unit (10) may include a housing assembly (12) and an electromagnetic interference (EMI...
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WO/2022/267051A1 |
The present disclosure belongs to the technical field of electronic components; and provided is a preparation method for a conductive via hole. The preparation method for a conductive via hole in the present disclosure comprises: providi...
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WO/2022/267756A1 |
Embodiments of the present application disclose a 3D filter circuit and a 3D filter. The 3D filter circuit comprises a multi-layer structure; the multi-layer structure comprises at least two conductive layers and at least one organic die...
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WO/2022/218332A1 |
Disclosed in the present invention are a glass-packaged ceramic feed-through filter and a preparation method therefor. The glass-packaged ceramic feed-through filter comprises a guide pin and a metal housing sleeved in the middle of the ...
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WO/2022/154899A1 |
The disclosed embodiments relate to method and/or device which is effective at cancelling or altering electrical signals or pulses, generated by, for example, digital electronic systems and components, that are induced, reflected or othe...
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WO/2022/052915A1 |
The present disclosure relates to a filter assembly and a manufacturing method therefor. The assembly comprises a substrate and multiple filters disposed on the substrate. The multiple filters include a first filter and a second filter d...
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WO/2022/033748A1 |
The notch filter (404) comprises a notch inductance (LN) and a notch capacitance (C2π) defining a notch resonance frequency. The notch filter (404) further comprises an attenuation control resistance (RN) in parallel with the notch indu...
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WO/2022/020361A1 |
A circuit device includes a semiconductor device (102, 202) and an impedance matching network (104, 204). The impedance matching network includes a superconductor material forming at least one inductor (112, 212) of the circuit device, a...
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WO/2022/018634A1 |
The present invention concerns a capacitive feedthrough (1) hermetically sealable to a hybrid module for space applications, comprising a multilayer ceramic structure that has: two opposite external faces including a top face (10) and bo...
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WO/2022/010576A1 |
Disclosed is a gallium arsenide, GaAs, enabled tunable filter for, e.g., 6 GHz Wi-Fi RF Frontend, with integrated high-performance varactors metal-insulator-metal, MIM, capacitors, and 3D solenoid inductors. The tunable filter comprises ...
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WO/2021/239715A1 |
The present invention relates to a MEMS device (100, 200, 400, 500, 600) comprising: at least one resonating element (101, 401, 501, 601) and a vibration-insulating plate (102, 402, 502, 602) centrally housing the at least one resonating...
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WO/2021/183427A1 |
A current sense loop (100) includes an attenuator circuit (104), which has an embedded input chopper circuit (110), and an amplifier circuit (106), which has an output chopper circuit (112). The embedded input chopper (110) has a first c...
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WO/2021/183362A1 |
An improved filter for high frequency, such as 5G wireless communication, may include inductor-Q improvement and reduced die-size with a hybrid 3D-inductor integration. In some examples, the inductors may be formed using an IPD and a fan...
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WO/2021/167271A1 |
The invention relates to an EMC filter plug-in arrangement with an EMC filter to avoid or reduce electrical and/or electromagnetic interference caused by an electronic component, in particular an inverter of a refrigerant compressor. The...
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WO/2021/115535A1 |
The invention relates to a method (100) for controlling a variable matching network (4) for impedance matching, to a matching network (4) for carrying out said method (100) according to the invention and to a system (1) comprising a sign...
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WO/2021/115536A1 |
The invention relates to a variable capacitor system (1) for impedance matching, a matching network (4) comprising said type of variable capacitor system (1), a system (10) comprising said type of matching network (4) and to a use of the...
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WO/2021/101236A1 |
The present embodiments relate to a filter device and a steering control device. The filter device filters noise by comprising a capacitor unit and a short-circuit prevention unit, wherein the capacitor unit and the short-circuit prevent...
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WO/2021/101256A1 |
Disclosed is a printed circuit board including a noise filter structure including: a first conductive layer having a meander shape; a second conductive layer that is disposed spaced apart from the first conductive layer and includes an o...
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WO/2021/075918A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long-Term Evolution (LTE). The present disclosu...
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WO/2021/043460A1 |
The present invention relates to a filter device for an electric drive system. The filter device is provided for filtering interfering electrical signals, which can occur during the operation of the electric drive system. For this purpos...
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WO/2021/037452A1 |
The invention relates to an HF-proof switching interface (1), which has a shield (2) which consists of electrically conductive material, electromagnetically shields a first and a second half space (3a, 3b) from each other, and has a hole...
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WO/2021/027360A1 |
Disclosed are a filter connection apparatus and a filter method, wherein same fall within the technical field of filters. The filter connection apparatus comprises: a first connector, a first filter board and a second connector, wherein ...
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WO/2020/225718A1 |
The present disclosure relates to a broadband filter for confining or attenuating electromagnetic interference noise from one or more electrical signal sources, In an embodiment, the broadband filter comprises one or more filter stages e...
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WO/2020/221388A1 |
The invention relates to a motor control unit (10) for controlling an electric motor (14) which has at least one first motor phase (P1), comprising: a switch module (16) which has a first half-bridge module (M1) for generating at least o...
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WO/2020/197334A1 |
The present invention relates to a stand-alone active EMI filter module and a manufacturing method thereof, wherein the volume of each element constituting the EMI filter module can be reduced , thereby implementing a single module unit ...
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WO/2020/165144A1 |
A filter module (1) for reducing differential and common mode electrical noise comprising: two busbars (2,3), an at least partially electrically conductive housing (4),a two common mode choke (5,6) arranged in the housing (4), the common...
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WO/2020/147368A1 |
Disclosed by the present invention is a cavity resonator-based double-frequency filtering switch, comprising a cavity resonator, a metal plate, and a probe feed wire structure; the cavity resonator is divided at a middle portion by the m...
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WO/2020/150523A1 |
A system and method comprise a light source; a spatial light modulator including a substantially transparent material layer and a phase modulation layer; an imaging device configured to receive a light from the light source as reflected ...
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WO/2020/134325A1 |
Provided in the present invention is an LTCC bandpass filter, comprising a shell and a filter assembly accommodated in the shell; the shell comprises a top wall and a bottom wall opposite to the top wall; the filter assembly comprises a ...
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WO/2020/132022A1 |
A multilayer filter may include a dielectric layer having a top surface, a bottom surface, and a thickness in a Z-direction between the top surface and the bottom surface. The multilayer filter may include a conductive layer formed on th...
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WO/2020/132011A1 |
A high frequency multilayer filter may include a plurality of dielectric layers and a signal path having an input and an output. The multilayer filter may include an inductor including a conductive layer formed over a first dielectric la...
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WO/2020/125341A1 |
The present invention relates to an LC filter unit, comprising: a first filtering part comprising a first inductor and a first capacitive device that are connected in parallel; and a second filtering part comprising a second inductor and...
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WO/2020/096723A1 |
A radio frequency (RF) filter system for a substrate processing chamber comprises a first RF filter coupled to a first element of the processing chamber and a second RF filter coupled to the first element of the processing chamber. Each ...
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WO/2020/030392A1 |
The invention relates to an EMC filter arrangement which comprises two current-carrying conductor tracks (5, 6) which have at least one first capacitance (8), at least one first compensation conductor loop (3), at least one second capaci...
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WO/2020/025454A1 |
A superconducting device that mixes surface acoustic waves and techniques for fabricating the same are provided. A superconducting device can comprise a first surface acoustic wave resonator comprising a first low-loss piezo-electric die...
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WO/2019/224029A1 |
The invention relates to an electrical filter element (1) for filtering alternating voltage interference. The electrical filter element (1) comprises two dielectric circuit board substrates (11, 12) having a magnetic core (13) arranged b...
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WO/2019/212258A1 |
The present invention relates to an EMI filter for preventing noise emitted from a power line cable. An isolated type active EMI filter having no elements added to a power line comprises: a common mode choke disposed on a power supply si...
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WO/2019/201454A1 |
This invention relates to a method for determining element values of a filter structure having a linear sequence of coupled resonators, wherein a coupling between adjacent resonators is determined by one or more coupling factors, the met...
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WO/2019/186265A1 |
The invention relates to a method for manufacturing a substrate for a radiofrequency filter by assembling a piezoelectric layer on a support substrate via an electrically insulating layer, characterised in that it comprises the steps of:...
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WO/2019/171085A1 |
An ion confinement device (2) comprising: a plurality of electrodes arranged and configured for confining ions when an AC or RF voltage is applied thereto; and at least one inductive ballast (10a,10b), each ballast connected to at least ...
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WO/2019/169025A1 |
Aspects of this disclosure relate to Lamb wave elements and acoustic wave resonators. Certain embodiments relate to an acoustic wave filter and a loop circuit that includes and Lamb wave and is configured to generate an anti-phase signal...
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