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Patent Searching and Data


Matches 1 - 50 out of 25,018

Document Document Title
WO/2019/154484A1
The present disclosure relates to a filter assembly for a high-voltage system, a bushing for a high-voltage system and a gas-insulated switchgear (GIS). The filter assembly includes a casing adapted to contain an electrically insulating ...  
WO/2019/154655A1
A filter circuit comprises in a signal line a band filter (BF) allowing to let pass a useful frequency band and a notch filter (NF) circuited in series to the band filter for filtering out a stop band frequency. The notch filter comprise...  
WO/2019/151446A1
This directional coupler (1) is provided with: a substrate (10); a main line (20) that is formed directly or indirectly on the substrate (10); sub lines (21, 22, 23) at least portions of which are formed directly or indirectly along the ...  
WO/2019/149538A1
A filter circuit is provided comprising a band pass filter (TXF) and a notch filter element (NE). According to the invention the filter function and the notch function are separated and optimized independently so that no unwanted interac...  
WO/2019/151448A1
This directional coupler (1) is provided with: a substrate (10); a main line (20) that is formed directly or indirectly on the substrate (10); sub lines (21, 22, 23) at least portions of which are formed directly or indirectly along the ...  
WO/2019/150787A1
This filter module (1) is provided with a first ground terminal (G1), a second ground terminal (G2), a low-pass filter (15) and a second inductor (L2). The low-pass filter (15) comprises: a first inductor (L1) which is provided on an inp...  
WO/2019/146441A1
Provided is a bandpass filter which is suppressed in decrease of the absolute value of S21 in frequency regions that are on the higher frequency side and the lower frequency side of the passband. A bandpass filter (100) according to the ...  
WO/2019/143457A1
An RF generator in a dual frequency RF generation system. The RF generator detects IMD components resulting from interaction of the two frequencies. The IMD is reduced by adjusting the phase of the RF signal output by the RF generator. I...  
WO/2019/139395A1
A source matcher of the present invention may comprise: an RF oscillator unit for applying power for plasma generation to a plurality of coils installed in a chamber; an RF matcher unit for matching a load impedance to the characteristic...  
WO/2019/138786A1
The present invention is provided with: a first matching circuit (21) having one end connected to a common terminal (P0); a first filter (11) having one end and the other end respectively connected to the other end of the first matching ...  
WO/2019/136024A1
The present invention includes a method of making a RF impedance matching device in a photo definable glass ceramic substrate. A ground plane may be used to adjacent to or below the RF Transmission Line in order to prevent parasitic elec...  
WO/2019/131868A1
This filter module (3) comprises: a filter (11) positioned on a path linking an input/output terminal (m1) and an input/output terminal (m2); a filter (12) positioned on a path linking an input/output terminal (m3) and an input/output te...  
WO/2019/133803A1
According to various embodiments, a dual-band multi-receiver (DBMR) wireless power transfer (WPT) system is disclosed. The WPT system includes a transmitter including a first dc-dc converter coupled to a first inverter, a second dc-dc co...  
WO/2019/131501A1
A multiplexer (1) is provided with: a first filter (10) serving as a reception filter which uses an elastic wave and in which a first frequency band is the pass band; a second filter (20) in which a second frequency band is the pass band...  
WO/2019/119046A1
A coil assembly including a plurality of substantially planar plates interconnected to define a plurality of electrically conductive windings for surrounding a magnetic core. In one example the invention is used for a magnetic core assem...  
WO/2019/088487A3
The present invention relates to a wireless power transmission device, a wireless power reception device, and a wireless power transmission system, wherein wireless power transfer can be achieved even when a metal obstacle is interposed ...  
WO/2019/120952A1
An LC filter arrangement (1) for assembly on a printed circuit board (16) having conductor tracks (15) comprises: - an input having a first and a second input terminal (2a, 2b), - an output having a first and a second output terminal (3a...  
WO/2019/123995A1
According to the present invention, one surface of a first substrate is provided with a first ground-side land, a first power supply-side land, and a first signal land. A second substrate is arranged so as to face the surface of the firs...  
WO/2019/126317A1
One example device having a variable impedance matching network includes a flexible substrate configured to flex in at least an X dimension and a Y dimension, wherein the X and Y dimensions are orthogonal and coplanar with a surface of t...  
WO/2019/124211A1
This reception-side IC chip (1a) is provided with: a pad (15) connected to a transmission line (2) in which the characteristic impedance (Z0) outside the chip is 50 Ω; a signal line (16) having one end connected to the pad (15); a recep...  
WO/2019/116299A1
The invention relates to a tunable, silicon-based negative-resistance circuit (10, 30) and to an active filter (50) for E-band frequencies (60 to 90 GHz). A base of a transistor (11) is connected to an on-chip inductive transmission line...  
WO/2019/117073A1
The present invention provides a glass wiring substrate in which an analog splitter comprising a capacitor and an inductor is formed on a glass substrate having a small thickness to prevent glass from being broken during manufacturing so...  
WO/2019/113244A1
Methods and apparatuses can implement a phase shifter (124) including at least one phase shift unit (132-1, 132-2, 132-3). In an example aspect, the phase shift unit (132-1) has an inductive-capacitive (LC) core (454, 454') that includes...  
WO/2019/111645A1
The present invention provides an electronic control device with which it is possible to effectively suppress common mode noise in high-speed differential communication on a virtual ground surface. A connector-side ground 122 and a trans...  
WO/2019/111966A1
Provided is a wiring board that, even when, for example, a thin glass substrate of substrate thickness is used as a core substrate therefor, has no glass breakage during the production process and has stable electrical properties for a c...  
WO/2019/111322A1
The present invention is provided with a signal synthesis circuit (3) which, upon receipt of a third signal having an opposite-phase component to that of a signal obtained by synthesizing a signal the amplitude of which has been changed ...  
WO/2019/105788A1
In an embodiment a low-pass filter arrangement has an input terminal (20) for receiving an input voltage (Vin), a first voltage source (Vs1) coupled to the input terminal (20), a serial connection comprising a first and a second filter d...  
WO/2019/107081A1
According to the present invention, a low-pass filter (12) is provided with: a first inductor (L1); a second inductor (L2) magnetically coupled to the first inductor (L1); a third inductor (L3); and a first capacitor (C1). The first indu...  
WO/2019/102848A1
This high frequency circuit (20) is provided with: a filter (21) for Band A; a filter (22) for Band B; a filter (23) for Band C; a low-pass filter (11) which is connected between a common terminal (100) and a first terminal (110); a high...  
WO/2019/103134A1
[Problem] To provide an impedance matching circuit capable of being used for a high-power application of several tens of watts or more, and capable of higher-speed impedance matching. [Solution] An impedance matching circuit provided wit...  
WO/2019/104325A1
An impedance matching network (116) for a radio frequency (RF) amplifier device (108) includes a baseband termination circuit (122) having reactive components configured to present low impedance to signals in a baseband frequency range t...  
WO/2019/102830A1
In the present invention, an attenuation pole is formed in the vicinity of a desired frequency lower than the pass band of a band-pass filter, and an attenuation pole is formed in the vicinity of a desired frequency higher than the pass ...  
WO/2019/102937A1
A noise filter circuit (1) comprises: a pair (two) of common-mode choke coils (31, 32) that are connected in series to AC lines (11, 12) on the output side of a power conversion circuit (10) in which the input side (DC side) ground and t...  
WO/2019/038450A3
The invention relates to a high-frequency-impedance matching network, comprising an input port and an output port, wherein the input port is designed as an input for a signal of a high-frequency generator G, the output port as an output ...  
WO/2019/097774A1
The purpose of the present invention is to make the frequency characteristics of a bandpass filter approach desired frequency characteristics. A first LC parallel resonator (11) is electrically connected to a first terminal (P10) at a fi...  
WO/2019/093580A1
The present invention relates to a phase shifter for generating a difference in phase between a first transmission path and a second transmission path, the phase shifter comprising: a phase delay circuit unit which forms the first transm...  
WO/2019/085425A1
Apparatus and methods for performing wireless communications are provided. In some embodiments, an apparatus includes a transformer including a first winding, a second winding, and a third winding. The apparatus also includes a first tra...  
WO/2019/087739A1
The objective of the present invention is to prevent the frequency characteristic of a multi-layer band-pass filter from deviating from a desired frequency characteristic. A multi-layer band-pass filter (1) is provided with first and sec...  
WO/2019/088487A2
The present invention relates to a wireless power transmission device, a wireless power reception device, and a wireless power transmission system, wherein wireless power transfer can be achieved even when a metal obstacle is interposed ...  
WO/2019/082671A1
This high-frequency circuit (2) is provided with: a multilayer substrate (70); serial arm circuits (S1 and S2) formed in a first path which connects input/output terminals (T1 and T2) formed on the multilayer substrate (70); a parallel a...  
WO/2019/082673A1
A multiplexer (10) is capable of simultaneously transmitting a high-frequency signal of either Band A or Band B belonging to a low-band group and a high-frequency signal of Band C belonging to a high-band group, and is provided with: a c...  
WO/2019/082253A1
The present invention provides a polyphase filter 1, comprising: an RC (resistor-capacitor) circuit 20 that has first to fourth input terminals to which four-phase signals are input and first to fourth output terminals from which four-ph...  
WO/2019/082551A1
A matching circuit (13A) is provided with a first port (P1), a second port (P2), an autotransformer (TA), a first capacitor (C1), and a second capacitor (C2). The autotransformer (TA) is provided with a first terminal (T1) connected to t...  
WO/2019/077783A1
A filter (300) includes a circuit (330) including a resistor (301), a positive capacitor (303), and a virtual inductor via a negative capacitor (302) including a ferroelectric layer. The filter also includes an input terminal (310) to ac...  
WO/2019/077399A1
A tunable resonator is formed by shunting a set of asymmetric DC-SQUIDs with a capacitive device. An asymmetric DC-SQUID includes a first Josephson junction and a second Josephson junction, where the critical currents of the first and se...  
WO/2019/075256A1
A radio frequency (RF) generator having an effective source impedance Z g at a reference point (e.g. at the generator output) includes a reference input and controls the magnitude and phase with respect to a signal received at the refere...  
WO/2019/073832A1
Provided are: a high-frequency module capable of reducing transmission signal loss and suppressing an increase in the size of the high-frequency module, even when harmonic frequency attenuation is required by transmission signals in mult...  
WO/2019/075258A1
A method for controlling a generator connected to a load involving obtaining a first measured value (M1) related to a forward power calculated with respect to reference impedance (Z?c#191). The method involves adjusting an output of the ...  
WO/2019/073228A1
A microwave generation system comprising a microwave generator, a pulse generator and an impedance network. The pulse generator is arranged to provide pulses of electrical power to the microwave generator and is operable to vary the powe...  
WO/2019/070673A1
A radiofrequency (RF) filter includes an inductive element having multiple coil sections collectively forming an undivided coil of a cable of twisted magnetic wires. At least two adjacent coil sections have different turn pitches. The ca...  

Matches 1 - 50 out of 25,018