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Patent Searching and Data


Matches 601 - 650 out of 25,197

Document Document Title
WO/2015/199895A1
Reflectionless low-pass, high-pass, band-pass, band-stop, all-pass, and all-stop filters, as well as a method for designing such filters is disclosed, along with a method of enhancing the performance of such filters through the use of su...  
WO/2015/194581A1
A composite electronic component (10) for a resonance circuit is provided with a laminated member in which a piezoelectric resonance element (PR1) and a variable capacitor (120) are laminated and routing conductors are formed. An externa...  
WO/2015/190375A1
A wideband harmonic trap includes a first resonant tank (510) in the form of a parallel LC circuit (511, 512), and a second resonant tank (520) in the form of a series LC circuit (521, 522). The LC circuits are connected to a common inpu...  
WO/2015/186579A1
An attenuator (10) equipped with: a first high-frequency signal input/output terminal (Port1) and a second high-frequency signal input/output terminal (Port2); a switch circuit (11); multiple resistors (201, 202); and a variable capacito...  
WO/2015/184076A1
Directional couplers for front end modules (FEMs) are disclosed that include a first port configured to receive a radio-frequency (RF) signal, a second port connected to the first port via a first transmission line and configured to prov...  
WO/2015/181883A1
[Problem] To suppress the reflections of common mode noises and sufficiently reject common mode noises of 2 GHz or less. [Solution] A signal-use coil (1A) inserted and connected in one of differential signal lines is spirally formed in a...  
WO/2015/181653A1
The invention relates to a method for radio communication using a plurality of antennas, and to an apparatus for radio communication using a plurality of antennas. An apparatus for radio communication of the invention comprises: 4 antenn...  
WO/2015/121780A3
A drive loop circuitry for a MEMS resonator. The circuitry comprises closed loop means for detecting and amplifying a signal of the MEMS resonator, means for phase shifting the detected and amplified signal, and means for feeding the det...  
WO/2015/178204A1
An antenna device (101) is configured from an antenna element (20) capable of transmitting and receiving high-frequency signals in a plurality of frequency bands, and an antenna matching circuit (50). The antenna matching circuit (50) is...  
WO/2015/177075A1
A control arrangement (6), in particular for controlling the power and/or matching the output impedance of a high-frequency power generator to the impedance of a load, in particular a plasma discharge, has: a. a first controller (13) whi...  
WO/2015/172287A1
The disclosure provides a quadrature hybrid (300). The quadrature hybrid (300) has a first (301), second (302), third (303) and fourth (304) ports. The quadrature hybrid (300) comprises: a substrate (310) having a plurality of dielectric...  
WO/2015/154032A3
An impedance matching circuit (128) for a wireless communication device includes: a first node that receives a first impedance; a second node that is connected to an antenna (124) having a second impedance; a first variable capacitor (20...  
WO/2014/170766A9
The invention relates to a method and an apparatus for automatically tuning an impedance matrix, for instance the impedance matrix seen by the power amplifiers of a radio transmitter using a plurality of antennas simultaneously. The inve...  
WO/2015/163977A1
A technology is provided for handling signals with defined power levels that are received at an antenna port. The signals can be received at a first antenna port, wherein the first antenna port is coupled to a plurality of PIN diodes pos...  
WO/2015/164311A1
A device comprises a multiplication circuit configured to derive a product of a first signal S1 and a second signal S2, S2 having a phase difference β relative to the first signal S1, a low pass filter configured to remove a selected fr...  
WO/2015/162656A1
There has been a problem of reduction of a circuit pattern wiring region and a component mounting region when a parasitic inductance pattern region is increased by increasing the pattern length for the purpose of obtaining a large parasi...  
WO/2015/161982A1
The invention relates to a cable for electrically linking electronic assemblies, components or peripherals of a magnetic resonance apparatus by means of a symmetrical screened cable (1) which screens a plurality of conductors (6) for a u...  
WO/2015/159316A1
The invention is a compact three-port signal combiner suitable for use in a base station having two different wireless systems. The combiner is designed as a four-port network, but one of the ports is terminated with a predetermined load...  
WO/2015/161017A1
One implementation enables tuning a multi-band antenna such that two or more of the bands are tuned independently of one another, whereby tuning one band is decoupled from tuning another band. Some implementations include a multi-band tu...  
WO/2015/159684A1
Provided is a communication apparatus that can increase the degree of balance between two electric wires through which signals are transported. A vehicle (4) comprises a communication apparatus (44) that transmits and receives, via a con...  
WO/2015/156101A1
A high frequency module includes a substrate (12) with a principal surface, and a ring-shaped portion (32) with a shape extending in a ring shape when the principal surface of the substrate (12) is viewed in plan, the ring-shaped portion...  
WO/2015/156079A1
A high frequency module (10) is provided with duplexers (21, 22) and a phase circuit (41). To one duplexer (21), a first transmission signal input terminal (Ptx1) is connected. To another duplexer (22), a second transmission signal input...  
WO/2015/153293A1
Systems, methods and apparatus are disclosed for wirelessly receiving power. In one aspect, a coil is configured generate a voltage in response to magnetic field generated by a transmitter. The coil comprises a conductive material wound ...  
WO/2015/152685A1
A broadband matching module and a communication device including the same are disclosed. To this end, the broadband matching module, according to one embodiment of the present invention, can comprise: a line unit having at least two line...  
WO/2015/151329A1
A high-pass filter (110) has one end thereof connected to a first terminal (T1), and is a filter for passing signals in a first frequency band. A second terminal (T2) is connected to the other end of the high-pass filter (110). A first s...  
WO/2015/149317A1
A stacked chip ceramic radio-frequency low-pass filter and manufacturing method thereof; the low-pass filter comprises four lead-out end electrodes and an internal circuit; the electrodes are an input end anode (16), an output end anode ...  
WO/2015/154032A2
An impedance matching circuit for a wireless communication device includes: a first node that receives a first impedance; a second node that is connected to an antenna having a second impedance; a first variable capacitor that is connect...  
WO/2015/150507A1
A transmission line for MRI RF coil is provided, comprising: one or more floating baluns; and a RF cable comprising one or more coaxial cables which is wound around each of the one or more floating baluns along the axial direction of the...  
WO/2015/146316A1
A transmission/reception device (10) comprising a control unit (11), an antenna duplexer (12), a transmission circuit (131), a reception circuit (132), a detection unit (16), an antenna matching circuit (17), and a load adjustment circui...  
WO/2015/140976A1
The present invention is provided with: a transmission circuit (102) that is mounted on a printed circuit board (150), has attenuation characteristics, attenuates the amplitude of a received signal (1001) in accordance with the attenuati...  
WO/2015/143377A1
The present subject matter relates to tunable antenna systems and methods in which a tunable band-stop circuit is provided in communication between a signal node and an electrically small antenna having a largest dimension that is substa...  
WO/2015/140660A1
Radio communication using tunable antennas and an antenna tuning apparatus The invention relates to a method for radio communication using one or more tunable antennas and an antenna tuning apparatus, and to an apparatus for radio commun...  
WO/2015/138040A1
An RF filter comprises a signal transmission path having an input and an output, a plurality of resonant elements disposed along the signal transmission path between the input and the output, and a plurality of non-resonant elements coup...  
WO/2015/132958A1
Provided is an input/output matching circuit, which maintains electrostatic resistance by means of ESD elements, and which, at the same time, has high-speed communication performance without being affected by noise. In the present invent...  
WO/2015/129908A2
An element which oscillates or detects terahertz waves includes a resonance unit including a differential negative resistance element, a first conductor, a second conductor, and a dielectric body, a bias circuit configured to supply a bi...  
WO/2015/129910A2
An oscillation element that oscillates an electromagnetic wave includes a negative resistance element and a resonator including a first conductor and a second conductor, in which the negative resistance element and the resonator are arra...  
WO/2015/129678A1
Provided is a matching algorithm that converges on a matching point regardless of load impedance. A matcher provided with: a directional coupler that detects travelling waves and reflected waves; a matching circuit that has a first varia...  
WO/2015/128008A1
The invention relates to a package (P) for a tunable filter, in which the components of the filter are realized on and in a substrate (S) according to different criteria and separated from one another in at least two superimposed compone...  
WO/2015/128004A1
The invention relates to a tunable HF filter circuit (AHF), which enables good electrical properties, good tunability, and simple control despite low complexity. The filter circuit comprises a first and a second signal route (SW1, SW2) i...  
WO/2015/128006A1
Disclosed is a combined impedance adjustment and HF filter circuit featuring improved impedance adjustment and good frequency tunability of the filter circuit. The circuit comprises a reactance elimination loop for reducing reactance and...  
WO/2015/128005A1
The invention relates to a front-end circuit, in which three signal paths are coupled to a common antenna connection. A filter is arranged in each signal path, which filter is tunable by means of a control circuit in its frequency band. ...  
WO/2015/128003A1
The invention relates to a tunable HF filter which can work with electro acoustic components and which offers good electric properties despite a wide tuning range. The HF filter comprises a tunable filter core (AFK) with electroacoustic ...  
WO/2015/128007A1
The invention relates to a front-end circuit, in which a signal path having a tunable filter is combined with a further signal path having a filter assigned to a fixed frequency band in order to reduce the tuning effort. The signal path ...  
WO/2015/125637A1
A high frequency front end circuit (10) comprises a duplexer (20) and a phase adjustment circuit (30). A balanced line is provided between an Rx filter (22) of the duplexer (20) and a low noise amplifier (LNA). The phase adjustment circu...  
WO/2015/124368A1
The invention relates to a tunable duplexer that is compatible for connection to conventional circuit elements in a mobile communication device. The duplexer comprises a circuit core having a first and a second inductive element, which a...  
WO/2015/127127A1
A receiver device (404) in a coupled coil system (400) for wireless energy transfer includes a receiver coil (410) and a load device (414) operatively connected to the receiver coil and configured to receive a signal from the receiver co...  
WO/2015/121780A2
A drive loop circuitry for a MEMS resonator. The circuitry comprises closed loop means for detecting and amplifying a signal of the MEMS resonator, means for phase shifting the detected and amplified signal, and means for feeding the det...  
WO/2015/123586A1
A two-port tunable or reconfigurable network having a filter transfer function may include: a network input port; a network output port; a hybrid coupler having a hybrid input port, a hybrid isolated port, a hybrid through port, and a hy...  
WO/2015/119178A1
A variable filter circuit (10) comprising a serial arm (11) connected between ports (P1-P2), a parallel arm (12) including a resonator (Re_p1) connected in series between ports (P1-P3), and a parallel arm (13) including a resonator (Re_p...  
WO/2015/119176A1
A filter circuit (10) comprising a serial arm (11) connected between ports (P1-P2), a parallel arm (12) including a resonator (Re_p1) connected in series between ports (P1-P3), and a parallel arm (13) including a resonator (Re_p2) connec...  

Matches 601 - 650 out of 25,197