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WO/2020/058361A1 |
A radiofrequency power amplifier (60), comprising abalun transformer and a plurality of power transistor pairs (61, 62) arranged in a push-pull configuration. The balun transformer comprises an unbalanced coil (14) extending between a fi...
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WO/2020/020394A2 |
The invention relates to a method for operating an impedance-variable load at a device consisting of a planar transformer consisting of at least one primary side and at least one secondary side which can be operated, respectively, as the...
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WO/2019/236215A1 |
A transformer has a first inductor that includes a first port. The transformer also has a second inductor magnetically coupled to the first inductor. The second inductor includes a second port. The second inductor includes a first portio...
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WO/2019/226241A1 |
A system for suppressing radiofrequency noise includes a modem and an energy transfer device. The modem includes a coaxial radiofrequency port that is configured to connect to a first ground. The energy transfer device includes a first p...
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WO/2019/159774A1 |
A common mode signal is attenuated in a pass band. A balance filter (1) comprises: an unbalanced terminal (T1); an unbalanced-side inductor (L2); a first balanced terminal (T21); a second balanced terminal (T22); a balanced-side inductor...
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WO/2019/148267A1 |
There is provided an implementation in which an electronic component is divided into two parts, one for connection to a circuit, and one for establishing as intimate a contact as possible between the energy-excessive device and an energy...
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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...
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WO/2019/013642A1 |
The invention relates to an isolation transformer (100is1, 100is2, 100is3, 100is4) comprising: i) a Faraday cage (150) comprising a magnetic core (110a, 110b, 110c) and at least one primary coil (120, 120-1..120-3) and at least one secon...
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WO/2018/208991A1 |
Certain embodiments involve a modular medium voltage fast charger. The modular medium voltage fast charger can include: (1) a predictive power factor correction ("PFC") controller (or predictive controller) for series-interleaved multi-c...
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WO/2018/198604A1 |
A plurality of inductor electrodes formed between the layers of a laminate (1) includes: inductor electrodes (4d, 4j) electrically connected between an unbalanced terminal (UB) and a first ground terminal (G1); an inductor electrode (4g)...
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WO/2018/194488A1 |
In a welding transformer, two primary windings are mounted on the legs of a magnetic core with a near-elliptical or near-circular stepped cross-section by means of the unsupported winding of a tensioned conductor, exerting a pulling forc...
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WO/2018/189234A1 |
A trifilar transformer (1000) comprising: a first (1001), a second (1002) and a third winding (1003), wherein one winding (1003) is mutually coupled to each of the other two windings (1001, 1002), and wherein said other two windings (100...
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WO/2018/188719A1 |
An integrated transformer arrangement for combining output signals of multiple differential power amplifiers to a single-ended load. The integrated transformer arrangement comprises a first transformer branch comprising an inductor loop....
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WO/2018/187309A1 |
An isolation transformer includes a transformer core (300). First and second through-bores (340, 342) extend through the transformer core from a first surface to a second surface. Each through-bore has an elongated profile with at least ...
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WO/2018/131325A1 |
A current detection device (10) is provided with a base body (20), a main conductive body (40), and a detection conductive body (50). The main conductive body (40) and the detection conductive body (50) are formed on the base body (20), ...
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WO/2018/087591A9 |
A transformer (100, 180, 500) is described. The transformer comprises a top conductive coil (106, 206, 506), a bottom conductive coil (102), and a dielectric layer (104, 504) separating the top conductive coil from the bottom conductive ...
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WO/2018/091098A1 |
The invention relates to an isolation transformer which is particularly suited for use in an energy transfer device and reduces unwanted resonances. The isolation transformer has an input winding, an output winding and a third winding, a...
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WO/2018/053419A1 |
A resonant coil system with improved sensitivity and signal-to-noise performance is described. A primary coil is tuned to a first resonance frequency and inductively coupled to a secondary coil that is separately tuned to a second resona...
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WO/2018/049520A1 |
A transformer apparatus that may be applied as a distribution circuit adaptor (DCA) inserted into a branch supply circuit to reduce losses in a power distribution network. More particularly, implementations of the present disclosure prov...
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WO/2018/027317A1 |
An electronic device comprised of a casing, having a lengthwise extending edge having a rounded outer surface; a split-core transformer segment comprising a connection face for interconnecting with a complementary split-core transformer ...
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WO/2018/011535A1 |
An Isolating Transmission Line Transformer (ITLT) for use in a data communications system is provided, the transformer comprising: a substantially planar substrate formed of electrically insulative material having opposed first and secon...
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WO/2018/012400A1 |
This high frequency transformer according to the present invention comprises a primary coil (LI) and a secondary coil (L2) in which the coil winding axes are in a coaxial relationship and are magnetically coupled to each other, a first t...
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WO/2017/178374A1 |
The invention describes a split transformer assembly (1) comprising a first partial assembly (10) comprising a primary winding arrangement (10W) shaped to accommodate a first core half (10C); a second partial assembly (20) comprising a s...
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WO/2017/141681A1 |
A voltage detection apparatus (1) is provided with: a primary coil (10) that is configured by connecting a first coil (11) and a second coil (12) in series; and a secondary coil (20) that is magnetic-field coupled to the primary coil (10...
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WO/2017/121519A1 |
The present disclosure relates to a circuit for suppressing unwanted magnetic interference. The circuit can have a transformer (410) having a first coil (418a), a first pair of input terminals (412a, 412b), and a first pair of output ter...
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WO/2017/111910A1 |
Embodiments of the invention include an electrical package and methods of forming the package. In one embodiment, a transformer may be formed in the electrical package. The transformer may include a first conductive loop that is formed o...
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WO/2017/089757A1 |
A radio frequency (RF) transmitter, comprising a Tesla transformer and an LC oscillator, said Tesla transformer comprising inner and outer conductors (10, 20), said inner conductor (20) comprising a generally tubular magnetic core (22) c...
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WO/2017/023571A1 |
An apparatus includes a carrier substrate, a ferrite core, a first set of wire windings, a second set of wire windings, a third set of wire windings, and a fourth set of wire windings. The ferrite core is attached to the carrier substrat...
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WO/2016/202370A1 |
The invention relates to a radio frequency transformer (100) for transforming an input radio frequency signal into an output radio frequency signal, the radio frequency transformer (100) comprising a primary winding (101) having a first ...
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WO/2016/193017A1 |
The invention relates to a planar transformer (100) for energy transfer comprising a sandwich-type circuit board having at least three layers for forming electrical conductor paths, wherein a first (L1) and a second (L2) of these layers ...
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WO/2016/170755A1 |
A transformer is provided with: a multilayer substrate comprising a plurality of insulating layers layered in a thickness direction; a primary coil formed in at least one of the plurality of insulating layers of the multilayer substrate;...
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WO/2016/136569A1 |
The present invention is provided with, in a laminate of a plurality of insulating substrates, a primary coil (L1) including first coil conductors (L1A1, L1B1, L1C1, L1A2, L1B2, L1C2), and a secondary coil (L2) including second coil cond...
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WO/2016/119825A1 |
A transformer (400) includes: a primary winding (401) comprising a first port (401a), a second port (401b) and a metal layer (413) connected between the first port (401a) and the second port (401b), the metal layer (413) comprising a plu...
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WO/2016/113538A2 |
An isolating Transmission Line Transformer (ITLT) for use in a data communications- system is disclosed. The ITLT comprises a core, a first port for connection to a data source, and a second port for connection to a transmission or data ...
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WO/2016/068177A9 |
[Problem] To provide a high-performance composite circuit that supports broader bandwidth, a circuit device, a circuit board, and a communication device. [Solution] A composite circuit 10 comprises a first diplexer section 20A through wh...
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WO/2016/086873A1 |
A coaxial structure high efficiency ultrahigh frequency electronic transformer, for relocating the relative positions of a primary winding (3-1) and a secondary winding (3-2) and controlling the current direction in each turn of the cond...
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WO/2016/080034A1 |
A signal transmission insulative device is provided with: a first coil; a second coil facing the first coil and forming a transformer with the first coil; a first insulation film comprising a first dielectric body in the space where the ...
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WO/2015/178264A1 |
[Problem] To provide a multiple-wire winding method, a multiple-wire winding device, and a wound coil component that make it possible to reduce both damage done to wires and the risk of short-circuits between said wires and electrodes at...
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WO/2015/178263A1 |
[Problem] To provide a multiple-wire winding method and a multiple-wire winding device that make it possible to reduce both damage done to wires and the risk of short-circuits between said wires and electrodes at different potentials. [S...
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WO/2015/135325A1 |
A conical inductor, a printed circuit board and an optical module. The conical inductor (50) comprises: a housing (501), a conical coil (502) in the housing and two pins (503, 504) respectively connected with both ends of the conical coi...
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WO/2015/123889A1 |
A pulse transformer and a manufacturing method therefor. The manufacturing method comprises: winding a magnetic core body provided with at least two winding coils, the magnetic core body being of a split structure and comprising a first ...
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WO/2015/015823A1 |
Provided is a balun transformer allowing balance characteristics to be improved. A balun transformer (10a) characterized in being provided with: an input terminal (14a) into which an unbalanced signal is inputted; a converting unit (11) ...
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WO/2014/188739A1 |
A first inductor and a second inductor are constituted from conductor patterns formed over a plurality of layers; conductor patterns (L1a,L1b,L1c,L1d) of the first inductor and conductor patterns (L2a,L2b,L2c) of the second inductor have...
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WO/2014/189771A1 |
A radio-frequency (RF) planar transformer includes three spaced-apart, single-turn primary strip-windings connected electrically in parallel with each other. A one-turn secondary strip-winding is located between each adjacent pair of pri...
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WO/2014/186499A1 |
An intravenous ultrasound (IVUS) system can include a catheter which can include memory. Because portions of the catheter are in intimate contact with the patient, electrical signals are isolated for safety. The IVUS system or catheter c...
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WO/2014/171140A1 |
This common mode noise filter is characterized by being provided with a laminate body and a first coil conductor and a second coil conductor formed inside of the laminate body and facing in a first direction, and in that the first coil c...
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WO/2014/114584A1 |
The invention relates to a printed circuit board having a layer structure, which accommodates a plurality of electric circuits (1, 2). The electric circuits are separated from each other by an insulating barrier layer (61) having a minim...
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WO/2014/112179A1 |
The present invention pertains to a signal transmission insulation device provided with the following: a first coil; a second coil that faces the first coil and constitutes a transformer along with the first coil; a first insulating film...
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WO/2014/096049A1 |
The subject matter of the invention is a method for producing a magnetically permeable circuit comprising at least two magnetically permeable core parts (1), (1') which are suitable for surrounding at least a portion of a printed circuit...
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WO/2014/090577A1 |
The invention relates to a device for synchronising the clock frequencies of a first electronics unit (μC1) arranged on the primary side (I), and of a second electronics unit (μC2) arranged on the secondary side (II), a clock generator...
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