Patents - stay tuned to the technology

Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


With coupling network or impedance in the leadin

Subclass of:

343 - Communications: radio wave antennas

343700000 - ANTENNAS

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
343860000 Impedance matching network 265
343853000 With plural antennas 121
343852000 Plural path with impedance matching 63
343859000 Balanced to unbalanced circuit 30
343858000 Coupled to plural leadins 22
343857000 Coupling at spaced points on antenna 11
343851000 With radiation suppressor (e.g., shield) 9
343856000 Antenna forms transformer primary or secondary 6
343865000 Balanced coupling network to balanced antenna 3
20080238805High frequency module - A high frequency module includes a layered substrate and an element for outputting a reception signal in a balanced state. The element includes a first and a second output terminal and is mounted on the top surface of the layered substrate. A first and a second reception signal terminal are disposed on the bottom surface of the layered substrate. The high frequency module further includes a first signal path connecting the first output terminal and the first reception signal terminal to each other, and a second signal path connecting the second output terminal and the second reception signal terminal to each other. The first and second signal paths are each formed using one or more through holes provided inside the layered substrate, and are not exposed at any side surface of the layered substrate.10-02-2008
20160141750ANTENNA SYSTEM - An antenna system for motor vehicles includes a surface that comprises an electrically conductive medium. A recess is located inside the electrically conductive surface, with the electrically conductive surface being a periphery of the recess. At least one electrically conductive crosspiece is electrically conductively connected to the periphery and protrudes into the recess and extends in the direction of a second side, facing the first side, of the periphery and there ends, forming a gap with the periphery. This crosspiece divides the recess into first and second parts with a gap connecting the two parts. At least one electrical line in a part of the recess originates at a feed point, located on the crosspiece but is electrically separate from it. The electrical line extends in the part of the recess in the direction of the periphery and is capacitively coupled to the periphery.05-19-2016
20160190683WIDE BAND ARRAY ANTENNA - An antenna array (06-30-2016
Entries
DocumentTitleDate
20080198088COUPLING ANTENNA - A coupling antenna has a ground plane, a main radiating assembly and a secondary radiating assembly. The main radiating assembly is mounted on the ground plane and has a substrate, a feeding-and-coupling assembly and a shorting member. The feeding-and-coupling assembly has a feeding member, a coupling member and an extension member. The second radiating assembly is mounted on the ground plane, is connected to the main radiating assembly and has a first radiating patch and a second radiating patch. With the extension member and the first and second radiating patches, operating bandwidth of the coupling antenna is improved.08-21-2008
20080198089Coupling antenna - A coupling antenna has a substrate, an inducting conductor, a ground plane, a first coupling member and a second coupling member. The inducting conductor is mounted on the substrate. The ground plane is formed on and protrudes from the inducting conductor and is mounted on the substrate. The first coupling member is mounted on the substrate and is connected to a feeding cable. The second coupling member is mounted on the substrate and is connected to the first coupling member. The coupling antenna with the first coupling member, the second coupling member and the inducting conductor has a wide bandwidth and a small size.08-21-2008
20080204348INPUT DEVICE OF TWO ORTHOGONAL POLARIZED-WAVE WAVEGUIDE TYPE, AND RADIO WAVE RECEIVING CONVERTER AND ANTENNA DEVICE USING THE INPUT DEVICE - A radio wave receiving converter is provided with a circular waveguide unit to which a vertically-polarized wave and a horizontally-polarized wave are input, first and second board holding units provided on the upside and the downside of the circular waveguide unit and holding first and second circuit boards, respectively, and first and second feed probes having tip portions provided to protrude into a waveguide element in parallel with the vertically-polarized wave and the horizontally-polarized wave, respectively, and having proximal end portions connected to the first and second circuit boards, respectively. Accordingly, the first and second board holding units are provided on the upside and the downside of the circular waveguide unit, and thus there is no need to use a sliding insert in the design of a die, so that the die can easily be fabricated at low cost.08-28-2008
20080204349HORIZONTAL MULTIPLE-INPUT MULTIPLE-OUTPUT WIRELESS ANTENNAS - High gain, multi-pattern multiple-input multiple-output (MIMO) antenna systems are disclosed. These systems provide for multiple-polarization and omnidirectional coverage using multiple radios, which may be tuned to the same frequency. The MIMO antenna systems may include multiple high-gain beams arranged (or capable of being arranged) to provide for omnidirectional coverage. These systems provide for increased data throughput and reduced interference without sacrificing the benefits related to size and manageability of an associated access point.08-28-2008
20080231535Method and System for Using a Transformer for FM Transmit and FM Receive Functionality - Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein secondary windings of the radio frequency transformer may be utilized for receiving and/or transmitting the communicated radio frequency signals. The secondary windings may be utilized as a load of a power amplifier used for the transmitting. By applying an electrical signal at a terminal of the secondary windings, the secondary windings and/or the power amplifier may be biased. Receiving and transmitting may be operated in time division duplex mode or simultaneously. The electrical signal applied at the center terminal may be a biasing voltage. By using a plurality of capacitors, DC signal components for receiving may be blocked.09-25-2008
20080231536Method and System for Using a Single Transformer for FM Transmit and FM Receive Functions - Aspects of a method and system for using a single transformer for FM transmit and FM receive functions may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein first secondary windings of the radio frequency transformer may be utilized for receiving the communicated radio frequency signals, and second secondary windings of the radio frequency transformer may be utilized for transmitting the communicated radio frequency signals. Receiving and transmitting may be performed in time division duplex mode or simultaneously. A number of windings of the second secondary windings that may be used for transmitting of the radio frequency signals, may be less than or equal to a number of windings of the primary windings.09-25-2008
20080231537METHOD AND SYSTEM FOR FM TRANSMIT AND FM RECEIVE USING A TRANSFORMER AS A DUPLEXER - Aspects of a method and system for FM transmit and FM receive using a transformer as a duplexer may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein secondary windings of the radio frequency transformer may be utilized for receiving and/or transmitting the communicated radio frequency signals. The receiving and transmitting may be operated in time division duplex mode or simultaneously. A number of windings between a pair of connector terminals of the secondary windings used for transmitting of the radio frequency signals may be less than or equal to a number of windings of the primary windings. A number of windings between a pair of connector terminals of the secondary windings used for receiving of the radio frequency signals may be greater than or equal to a number of windings of the primary windings.09-25-2008
20080266199Adjustable antenna and methods - An adjustable monopole antenna especially intended for the mobile terminals. The adjusting circuit (10-30-2008
20080278398Antenna Device with a Parasitic Coupler - An antenna device includes an antenna, a parasitic coupler, and a conductive strip. The antenna is operable within a first frequency bandwidth. The parasitic coupler is spaced apart from said antenna, and is electromagnetically coupled to the antenna so as to be operable within a second frequency bandwidth. The conductive strip is connected to the grounding elements of the antenna and the parasitic coupler.11-13-2008
20080309577Method for Coupling Terahertz Pulses Into a Coaxial Waveguide - A system for coupling teraherz (THz) radiation to a coaxial waveguide comprises an antenna that generates THz radiation having a mode that matches the mode of the waveguide. The antenna may comprise a pair of concentric electrodes, at least one of which may be affixed to or formed by one end of the waveguide. The radiation may have wavelengths between approximately 30 μm and 3 mm. The waveguide may comprise an inner core and an outer wall defining an annular region. A terahertz sensor system may comprise a terahertz antenna comprising first and second concentric electrodes, means for generating a field across the trodes and means for triggering the emission of terahertz radiation, a first waveguide having first and second ends, said first end being coupled to said antenna so as to receive at least a portion of said terahertz radiation, and a sensor for detecting said terahertz radiation.12-18-2008
20090002253Multipurpose Antenna Configuration for a Contactless Data Carrier - In an antenna configuration (01-01-2009
20090015505ANTENNA DEVICE WITH INTEGRATED CONNECTION CABLE, AND RADIO APPARATUS - The objective of the present invention is to provide a connection cable that serves as an external antenna for a radio apparatus, and whose antenna performance is not deteriorated in the use state by an adverse affect attributable to the near proximity of a human body.01-15-2009
20090021445BROADBAND VHF ANTENNA - An antenna assembly having a radiating element and a circuit board is provided. The radiating element is coupled to the circuit board by a conductive extension and hook portion where the hook portion extends into and possibly through a bore on the circuit board.01-22-2009
20090027295Transition from a pulse generator to one or more helical antennae - An apparatus providing a low impedance transition from a pulse generator to one or more helical antennae. Conventional transition from coaxial-to-antenna causes energy loss. The present invention decreases that loss.01-29-2009
20090046029ANTENNA DEVICE - An antenna device according to the present invention includes; a plurality of antenna elements; a line which is electro-magnetically connected to each of the antenna elements and is branched from at least one branch point in the line; and filters formed in the line between a first branch point and each of said plurality of antenna elements. Here, the first branch point is the electrically farthest branch point from each of the antenna elements among all branch points.02-19-2009
20090058754Array antenna with embedded subapertures - An array antenna with an embedded subaperture includes an array of radiator elements. The array includes a subaperture of one or a group of the radiator elements. A main receive channel is coupled to at least some of the radiator elements by a feed network. An RF power dividing network is connected in a signal path between the subaperture and the special use receive channel, and is adapted to allow at least most of the RF energy from the subaperture to pass to the special use receiver channel while diverting a small amount of energy to the main receive channel. The array includes circuitry for introducing an amplitude taper to signals received from the array of radiator elements, so that some of the signals from the radiator elements are attenuated to achieve the amplitude taper. The circuitry in an exemplary embodiment includes the RF power dividing network, wherein the small amount of energy diverted to the main receive channel from the subaperture is substantially equal to an attenuated signal level for the subaperture to achieve an amplitude taper attenuation.03-05-2009
20090058755ANTENNA DEVICE AND ELECTRONIC DEVICE USING THE SAME - The antenna device has an antenna element, a transistor circuit connected to the antenna element, and an inductance circuit earthed to a shunt between the antenna element and the transistor circuit. The electronic device has the antenna device and a radio circuit connected to the transistor circuit.03-05-2009
20090115681Antenna device - An antenna device including a substrate, a ground layer, a first feeding element, a second feeding element, a first control circuit and a second control circuit is provided. The substrate has a top surface and a lower surface. The ground layer disposed on the lower surface includes a first, a second and a third ground portions. The third ground portion is separated from the first and the second ground portions by a first and a second slots, respectively. The first and the second feeding elements include a first and a second conductive feeding lines, respectively. The first and the second conductive feeding lines cross over the first and the second slots and are electrically connected to the first and the second ground portions, respectively. The radiation pattern of the antenna device is variable by selectively operating the first, the second, the third and the fourth control circuits.05-07-2009
20090135079WIRELESS IC DEVICE AND COMPONENT FOR WIRELESS IC DEVICE - A wireless IC device includes a wireless IC chip, a power supply circuit board upon which the wireless IC chip is mounted, and in which a power supply circuit is provided, the power supply circuit includes a resonant circuit having a predetermined resonant frequency, and a radiation pattern, which is adhered to the underside of the power supply circuit board, for radiating a transmission signal supplied from the power supply circuit, and for receiving a reception signal to supply this to the power supply circuit. The resonant circuit is an LC resonant circuit including an inductance device and capacitance devices. The power supply circuit board is a multilayer rigid board or a single-layer rigid board, and between the wireless IC chip and the radiation pattern is connected by DC connection, magnetic coupling, or capacitive coupling.05-28-2009
20090167626APPARATUS AND SYSTEMS FOR ELECTRICALLY ISOLATING A RECEIVER FROM AN ANTENNA - Various embodiments of apparatus and systems are provided for electrically isolating two devices while transferring power and RF signals therebetween. An electrical isolation apparatus includes an isolation transformer that operates to transfer electrical power between first and second devices. The electrical isolation apparatus also includes a decoupling device that transfers radio frequency (RF) signals between the first and second devices. The isolation transformer and the opto-isolator cooperatively operate to electrically isolate the first device from the second device.07-02-2009
20090237320TRANSDUCER FOR HIGH-FREQUENCY ANTENNA COUPLING AND RELATED APPARATUS AND METHOD - An apparatus includes an antenna having multiple conductive portions. The apparatus also includes a transducer electrically coupling the conductive portions of the antenna. The transducer includes a first conductive path electrically coupled to one of the conductive portions and a second conductive path electrically coupled to the first conductive path and to another of the conductive portions. The first and second conductive paths at least partially overlap along at least a substantial portion of their lengths, where the overlap occurs in a direction perpendicular to a plane of the antenna portions.09-24-2009
20090251382ANTENNA DEVICE AND COMMUNICATION DEVICE USING SAME - An antenna device of the present invention includes a radiating element and a matching circuit connected to the radiating element and provided with capacitance elements. In the antenna device, a PIN diode is employed as one of the capacitance elements, and the capacitance of the PIN diode is controlled such that a resonant frequency is controlled. Thus, it is possible not only to simply the matching circuit and reduce the size thereof with ease but also to shift the resonant frequency with a relatively low voltage. This makes it easy to prevent as much as possible a decrease in radiation efficiency.10-08-2009
20090284435SYSTEM AND APPARATUS FOR TRANSMITTING A SURFACE WAVE OVER A SINGLE CONDUCTOR - A low attenuation surface wave transmission line system for launching surface waves on a bare and unconditioned conductor, such as are found in abundance in the power transmission lines of the existing power grids. The conductors within the power grid typically lack dielectric and special conditioning. Accordingly, the present invention includes a first launcher, preferably including a mode converter and an adapter, for receiving an incident wave of electromagnetic energy and propagating a surface wave longitudinally on the power lines. The system includes at least one other launcher, and more likely a number of other launchers, spaced apart from one another along the constellation of transmission lines. The system and associated electric fields along any given conductor are radially and longitudinally symmetrical.11-19-2009
20090289869On-chip highly-efficient antennas using strong resonant coupling - The invention relates to an antenna structure for coupling electromagnetic energy between a chip and an off-chip element, including a first resonant structure disposed on or in a chip. The first resonant structure is configured to have a first resonant frequency. The antenna structure also includes a second resonant structure disposed on or in an off-chip element. The second resonant structure is configured to have a second resonant frequency substantially the same as the first resonant frequency. The first resonant structure and the second resonant structure are mutually disposed within a near field distance of each other to form a coupled antenna structure that is configured to couple electromagnetic energy between the chip and the off-chip element. The electromagnetic energy has a selected wavelength in a wavelength range from microwave to sub-millimeter wave. The invention also relates to a method of calculating dimensions for a highly coupled antenna structure.11-26-2009
20090289870Method and System for Using a Transformer for FM Transmit and FM Receive Functionality - Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating data-bearing signals via primary windings of a transformer, wherein secondary windings of the transformer may be utilized for receiving and/or transmitting the communicated data-bearing signals, wherein the secondary windings may be utilized as a load for the transmitting. The secondary windings and/or a power amplifier may be biased for the transmitting by applying an electrical signal at a terminal of the secondary windings, wherein the electrical signal that may be applied at the center terminal may be a biasing voltage. The receiving and the transmitting may be operated in time division duplex mode, or simultaneously. DC signal components for the receiving may be blocked by using a plurality of capacitors.11-26-2009
20090295670Flat antenna and antenna device - A flat antenna is used for a cable inputting a signal. The flat antenna comprises a base board, a radiator element, a filter unit, and a ground element wherein the radiator element, the filter unit, and the ground element are disposed on the board. The filter unit is used for eliminating or keeping the specific range of the frequency.12-03-2009
20100007574ANTENNA DEVICE AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA DEVICE - A quad-band antenna device (01-14-2010
20100013731Coaxial cable dipole antenna for high frequency applications - An HF dipole antenna apparatus is provided which uses a coaxial cable for both a radiating element and a transmission line. Coiling the coaxial cable and adding a capacitive reactance to form a parallel resonant circuit with the coaxial cable coil achieves the transition between the radiation element and the transmission line. This antenna includes an upper radiating element. The addition of traps and parallel resonant circuits can be made to provide multi-frequency operation. An antenna coupling network can be added that provides appropriate reactance to allow both shortening the length of the dipole and provides a significantly wider range of operating frequencies.01-21-2010
20100073253ANTENNA ARRANGEMENT - An antenna arrangement including a partitioned ground plane including at least a first part and a second part that are interconnected by a component having a predetermined impedance; and an inductive coupling element positioned adjacent the component.03-25-2010
20100277392CAPACITOR - This invention relates to a capacitor, especially an energy discharge capacitor, which can also be used to improve the quality factor of antenna circuit and solve eddy current problem induced on a conductor.11-04-2010
20100328184 Antenna Switching Arrangement - An antenna arrangement comprising an input/output connection and a first and a second tuning network with different transfer functions. The arrangement additionally comprises an antenna and a switch for connecting the input/output connection of the arrangement to one of said tuning networks, with a second switch for connecting the antenna of the arrangement to the tuning network to which the input/output connection of the arrangement has been connected. The arrangement comprises a sensor for sensing a form factor of the arrangement or of an apparatus in which the arrangement is used, and said sensor can be used for influencing said first and second switches, so that a device which has been connected to the arrangement may be connected to the antenna via a tuning network optimal for the current form factor of the arrangement.12-30-2010
20110043427INTERNAL ANTENNA PROVIDING IMPEDANCE MATCHING FOR MULTIBAND - Disclosed is an internal antenna that provides impedance matching for multiple bands. The antenna includes an impedance matching part, which in turn includes a first conductive element electrically coupled to a feeding point and a second conductive element electrically coupled to a ground, and at least one radiator electrically coupled to the first conductive element, where the first conductive element and the second conductive element of the impedance matching part are separated by a particular distance to perform coupling matching and are electrically coupled at a pre-designated position. Certain aspects of the present invention can be utilized to provide wide band characteristics in designing for multi-band applications, even for high-frequency bands.02-24-2011
20110050534TRIPLATE LINE INTER-LAYER CONNECTOR, AND PLANAR ARRAY ANTENNA - Provided is a triplate line inter-layer connector having excellent loss suppression capability and allowing for inter-layer connection at any position, and a planar array antenna having uniform frequency characteristics in a beam direction. The triplate line inter-layer connector has an electrical connection structure between a first triplate line and a second triplate line. A first patch pattern is formed at a connection-side terminal end of a first feeder line. A first feed substrate has a first shield spacer disposed therebeneath, and a second shield spacer disposed just thereabove. Each of the first and second shield spacers has a hollow portion hollowed out to a size encompassing the first feeder line and the first patch pattern so as to define a corresponding one of first and second dielectrics in a respective one of the positions beneath and just above the first feed substrate. A second feeder line is provided on a second feed substrate together with a second patch pattern to extend in two directions from the second patch pattern to respective two output ends of the second feeder line, and a second ground conductor has a first slit formed in a portion thereof located approximately intermediate between the first and second patch patterns. The planar array antenna has a multi-layer structure comprising an antenna section and a transmission line section. The antenna section includes an antenna substrate and a first ground conductor having a slit. The antenna substrate has an antenna region which comprises a feeder line connected to respective radiation elements of the radiation element array. The feeder line, the slit and the patch pattern are provided at respective positions approximately corresponding to each other. Respective shapes and positions of the slit and the feeder line in a thicknesswise direction of the planar array antenna are adjusted to satisfy the following relation: d03-03-2011
20110057856ANTENNA FEEDING NETWORK - An antenna feeding network, including at least one antenna feeding line, each antenna feeding line comprising a coaxial line having a central inner conductor and a surrounding outer conductor. The outer conductor (03-10-2011
20110175787FILTERED ANTENNA ASSEMBLY - An antenna assembly for a wireless communications device has an antenna, a filter circuit, and a connector constructed to engage a wireless communications device. A filter circuit includes a band-pass filter and a first notch filter disposed in serial electrical communication with the band-pass filter, the band-pass filter operable to permit the passage of oscillatory electrical signals in a first frequency range, the first notch filter operable to impede the passage of oscillatory electrical signals in a second frequency range, the second frequency range residing within the first frequency range.07-21-2011
20110181486WIRELESS IC DEVICE - A wireless IC device has a resonant frequency that is hardly altered or affected by external influences and reliably communicates with a reader/writer. The wireless IC device includes a wireless IC chip arranged to process a radio signal, a feeder circuit board coupled to the wireless IC chip and including a feeder circuit, and a radiation electrode arranged at least one principal surface of the feeder circuit board. The feeder circuit board includes a magnetic material and has the feeder circuit disposed therein. The radiation electrode is disposed on at least one principal surface of the feeder circuit board so as to be electromagnetically coupled to the feeder circuit and includes at least two open ends. The wireless IC chip is coupled to the radiation electrode through the feeder circuit and communicates with a reader/writer using HF band frequency.07-28-2011
20110205139BANDPASS FILTER, RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING THE BANDPASS FILTER - Provided is a bandpass filter which can cope with a wide band and has a large degree of freedom in designing a pass band. Provided also are a radio communication module and a radio communication device using the bandpass filter. The bandpass filter includes a first, a second, and a third resonator (08-25-2011
20110221649Foam layer transmission line structures - A transmission line structure for propagating electromagnetic energy includes a transmission line conductor trace, a first dielectric foam layer and a second dielectric foam layer. The conductor trace is sandwiched between the first foam layer and the second foam layer. A first ground plane layer and a second ground plane layer sandwich the first foam layer, the conductor pattern and the second foam layer.09-15-2011
20110227807FILTER, DUPLEXER AND ELECTRONIC DEVICE - A ladder type filter includes series resonators S09-22-2011
20110273353HYBRID METAMATERIAL ANTENNA STRUCTURES - A wireless device having a CRLH antenna structure incorporates a meander line at the feed and adds a three dimensional conductive structure to shift a meander mode resonance frequency.11-10-2011
20110279343DEVICE FOR SUPPORTING, HOUSING AND COOLING RADIANT MODULES OF AN ANTENNA, PARTICULARLY ARRAY ANTENNA - The present invention relates to a device (11-17-2011
20120001821ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE - There is provided an antenna device which has a structure using control lines of an integrated circuit as a portion of an emitting electrode so as to prevent electromagnetic coupling between the emitting electrode and the control lines, and thereby prevent the occurrence of unnecessary resonance and deteriorations in antenna characteristics. Also there is provided a wireless communication device of the same. The antenna device includes at least one emitting electrode and an other emitting electrode provided with the control lines. Connection circuits are provided between the control lines and the other emitting electrode to allow an RF signal of the emitting electrode to flow to the control lines such that the other emitting electrode and the control lines function as a single emitting electrode.01-05-2012
20120032867WAVEGUIDE ORTHOMODE TRANSDUCER - A waveguide orthomode transducer, comprises: a junction having a main waveguide and four auxiliary waveguides lying along the two orthogonal main axis of the junction and defining four quadrants; a combination network comprising: two magic tees, each having an E-port, two opposed common-ports, and a H-port; an H-plane tee junction having a Σ-port and two opposed common-ports; and an E-plane tee junction having a Δ-port and two opposed common-ports. Two auxiliary waveguides define a first quadrant are respectively connected to the common-ports of one of the magic tees and the two other secondary waveguides defining a second quadrant opposite to the first quadrant are connected to the common-ports of the other magic tee. The tee junctions are used to connect similar magic tee ports so that the transducer separates towards two different outputs two orthogonally polarized signals entering at the main waveguide. Reciprocally, two signals entering respectively in the Σ-port and the Δ-port of the tees junctions are combined with orthogonal polarizations in the main waveguide.02-09-2012
20120032868Remotely Located Tuning Circuits for Multi-Frequency, Multi-Purpose Induction Antennae in Downhole Tools - An antenna system for a downhole tool has an antenna that is configured to operate at a plurality of frequencies. The tuning circuit is on the interior of the tool and shielded from borehole fluids. The tuning circuit is coupled to the antenna by a transformer circuit.02-09-2012
20120105298ACOUSTIC WAVE FILTER - A configuration that reduces a parasitic capacitance between wires is achieved at a low cost. Disclosed is an acoustic wave filter provided with a piezoelectric substrate 05-03-2012
20120127055ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS - An antenna device includes a feed element being of a length that allows resonance in a specified frequency band, a distributed constant feed line grounded at one end and coupled at another end to the feed element to form a feeding point, a reactive element grounded at one end and coupled at another end to a position a specified distance from the feeding point of the feed line, a first switch disposed between the feed line and the reactive element and used to select whether the feed line and the reactive element are coupled or uncoupled, a parasitic element disposed adjacent to the feed element and being of a length that allows resonance in a frequency band different from the frequency band in which the feed element resonates, and a second switch used to select whether the parasitic element is grounded.05-24-2012
20120139810MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) ANTENNA SYSTEM - An antenna system includes a multi-port antenna with an active feeding network coupled thereto. The active feeding network applies complex weights to signals received from and transmitted to each port of the multi-port antenna. The complex weights are applied according to eigenvectors corresponding to a Hermitian matrix representation of the multi-port antenna. The Hermitian matrix may be base on such multi-port antenna parameters such as power dissipation, power radiation, real-power flow, volumetric storage of electromagnetic energy, and/or volumetric dissipation of electromagnetic energy. The multi-port antenna yields orthogonal electromagnetic fields in volumes or surfaces of interest in response to the active feeding network excitation.06-07-2012
20120139811LOW-PROFILE ANTENNA AND FEED STRUCTURE - An antenna subsystem includes an antenna and a radio frequency (RF) feed structure. The antenna subsystem includes a signal layer, a ground plane layer, and a middle layer arranged therebetween. The RF feed includes a substrate, a port, and a conductive layer. The port is arranged and configured for selective coupling with a transmission line. A conductive layer includes a first portion electrically connected to the port, which transfers an RF signal between the transmission line and a signal layer. The conductive layer also includes a second portion electrically connected to the port, which electrically couples a ground conductor of the transmission line to the ground plane.06-07-2012
20120162042Wireless Device - The present invention discloses a wireless device. The wireless device includes a housing, formed by a metal material, a wireless module disposed inside the housing, and an antenna, disposed outside the housing, coupled to the wireless module via a external socket interface disposed on the housing, for transmitting and receiving signals corresponding to the wireless module.06-28-2012
20120212386WIDEBAND CIRCULARLY POLARIZED HYBRID DIELECTRIC RESONATOR ANTENNA - The present invention provides a dielectric resonator antenna comprising: a dielectric resonator; a ground plane, operatively coupled with the dielectric resonator, the ground plane having four slots; and a substrate, operatively coupled to the ground plane, having a feeding network consisting of four microstrip lines; wherein the four slots are constructed and geometrically arranged to ensure proper circular polarization and coupling to the dielectric resonator; and wherein the antenna feeding network combines the four microstrip lines with a 90 degree phase difference to generate circular polarization over a wide frequency band.08-23-2012
20120212387Coaxial Resonator and Dielectric Filter, Wireless Communication Module, and Wireless Communication Device Employing the Same - A coaxial resonator includes a dielectric block; a first inner conductor disposed in an inner surface of a first through hole which extends from a first main surface of the dielectric block to an opposite second main surface thereof, the first inner conductor being connected to a reference potential at one side thereof; and an outer conductor disposed over side surfaces of the dielectric block, the outer conductor surrounding the first inner conductor, the outer conductor being connected to the reference potential. There is a low-dielectric-constant portion in a location between the first inner conductor and the outer conductor. The low-dielectric-constant portion surrounds a periphery of the first inner conductor and is lower in dielectric constant than the dielectric block.08-23-2012
20120212388DEVICE FOR RECEIVING AND/OR EMITTING AN ELECTROMAGNETIC WAVE, SYSTEM COMPRISING SAID DEVICE, AND USE OF SUCH DEVICE - A device for receiving and/or emitting an electromagnetic wave having a free space wavelength λ08-23-2012
20120249394IC Package with Embedded Phased Array Antenna - Aspects of a method and system for configurable antenna in an integrated circuit package are provided. In this regard, a phased array antenna embedded in a multi-layer integrated circuit (IC) package may be utilized for transmitting and/or receiving signals. An IC enabled to transmit and/or receive signals may be bonded to the multi-layer IC package and may communicate a reference signal and/or one or more phase shifted versions of said reference signal to the antenna. One or more phase shifters (fabricated, for example, in planar transmission line) may be embedded in the multi-layer IC package and may be controlled via an IC bonded to the multi-layer IC package. The phased array antenna may comprise a plurality of antenna elements which may each comprise an interconnection for communicatively coupling to an associated transmitter and/or receiver, a feeder line, a quarter wavelength transformer, and a radiating portion (e.g., a folded dipole).10-04-2012
20120299795Miniaturized Ultra-Wideband Multifunction Antenna Via Multi-Mode Traveling-Waves (TW) - A miniaturized ultra-wideband multifunction antenna comprising a conducting ground plane at the base, a plurality of concentric feed cables, one or more omnidirectional one-dimensional (1-D) normal-mode and two-dimensional (2-D) surface-mode traveling-wave (TW) radiators, frequency-selective internal and external couplers, and a unidirectional radiator on top, stacked and cascaded one on top of the other. Configured as a single structure, its unidirectional radiator and plurality of omnidirectional TW radiators can cover, respectively, most satellite and terrestrial communications, with unidirectional and omnidirectional radiation patterns, respectively, needed on various platforms. This new class of multifunction antenna is ultra-wideband, miniaturized and low-cost, thus attractive for applications on automobiles and other small platforms. As a multifunction antenna, a continuous bandwidth up to 1000:1 or more is reachable for terrestrial communications and a continuous bandwidth of 10:1 or more is feasible for satellite communications.11-29-2012
20130027272DOHERTY AMPLIFIER ARRANGEMENT - A Doherty amplifier (01-31-2013
20130027273DIRECTIONAL COUPLER AND WIRELESS COMMUNICATION DEVICE - A directional coupler according to the present invention includes a primary line for transmitting a transmission signal; an input port for inputting the transmission signal to the primary line; an output port for outputting the transmission signal from the primary line; a secondary line for electromagnetically coupling with the primary line to extract part of the transmission signal; a coupling port provided at one end of the secondary line; an isolation port provided at the other end of the secondary line; and a low pass filter unit having a function of low pass filter, disposed between the secondary line and the coupling port.01-31-2013
20130044039CERAMIC ANTENNA - A ceramic antenna includes a ceramic body, a first conductor, a second conductor, four metal poles, and eight metal pads. The first conductor and the second conductor are positioned on a same plane and form a coupling capacitor. Two metal poles of the four metal poles extend through the ceramic body and the first conductor. The other two metal poles extend through the ceramic body and the second conductor. The eight metal pads are defined in two opposite surfaces of the ceramic body. Two ends of each metal pole contact two metal pads respectively. When the ceramic body is installed in the electronic device, one of the four poles is used as a feeder of the ceramic antenna, and the other three poles are used as grounds of the ceramic antenna.02-21-2013
20130113676DUAL FREQUENCY ANTENNA - A dual frequency antenna comprises: a helix coil, of which the lower end is provided with a first resonant coil with a first pitch and of which the upper end is provided with a second resonant coil with a second pitch, for resonating at a frequency lower than the resonant frequency of the first resonant coil, wherein, the first pitch is larger than the second one; a first coupling unit, which is installed in the first resonant coil and is electrically isolated from the first resonant coil, for stabilizing resonant frequency performance of the first resonant coil; and a second coupling unit, which is installed outside the helix coil and is electrically isolated from the helix coil, for increasing equivalent electrical length of the first resonant coil and raising resonant frequency gain of the first coil. By the improvement of the two coupling units in the high frequency part of parts of the resonant structure in the present invention, better resonant frequency performance of the first resonant coil is obtained, thus centralizing performance of the first resonant coil to the upper hemisphere, increasing the distribution current of the first resonant coil, and at the same time increasing the electrical length of the first resonant coil.05-09-2013
20130249765Wideband Antenna and Related Radio-Frequency Device - A wideband antenna is disclosed. The wideband antenna includes a ground element electrically connected to a ground, a feed element for feeding in a Radio-Frequency signal, a radiation element electrically connected to the feed element for radiating the Radio-Frequency signal, and at least one meta-material structure electrically connected between the radiation element and the ground element.09-26-2013
20130271339MULTI-ANTENNA AND ELECTRONIC DEVICE - A passive element has an electrical length such that a resonance mode thereof is in a target frequency band, and first and second feed elements, each of which has an electrical length such that a resonance mode thereof is not in the target frequency band. The first feed element has a first coupling conductive part, and a first connecting conductive part, which has a continuous shape with the first coupling conductive part. The second feed element has a second coupling conductive part, and a second connecting conductive part, which has a continuous shape with the second coupling conductive part. The first coupling conductive part is disposed parallel and adjacent to the passive element. The second coupling conductive part is disposed parallel and adjacent to the passive element. The first connecting conductive part and the second connecting conductive part are disposed adjacent and parallel to each other.10-17-2013
20130285871Conformal Surface Wave Feed - A transmission line feed for a surface wave medium having a dielectric substrate with an array of electrically conductive patches formed thereon. The transmission line feed includes a microstrip substrate, the microstrip substrate having a first permittivity which is lower than a second permittivity of the dielectric substrate of the surface wave medium, the microstrip substrate abutting against the dielectric substrate of the surface wave medium; a tapered microstrip disposed on the microstrip substrate, the tapered microstrip tapering from a relatively narrow end to a relatively wide end, the relative wide end terminating where the microstrip substrate abuts against the surface wave substrate; and an adapter for coupling a transmission line to the relatively narrow end of the tapered microstrip.10-31-2013
20130285872ANTENNA - An antenna according to an embodiment includes a substrate; a radiator; a ground plane spaced apart from the radiator; a feeding pin for feeding an RF signal; a first branch reactance at one side of the feeding pin, the first branch reactance including one end connected to the substrate and an opposite end connected to the ground plane; and a second branch reactance at an opposite end of the feeding pin, the second branch reactance including one end connected to the substrate and an opposite end connected to the ground plane.10-31-2013
20130300626ANTENNA APPARATUS AND MOBILE TERMINAL HAVING THE SAME - An antenna apparatus includes: a first member ground-connected to a ground of a printed circuit board (PCB); a second member spaced from the first member in parallel, and configured to capacitive coupling-feed the first member so as to transmit and receive signals of a first frequency band; and a third member extending from the second member by a prescribed length, so as to have a bandwidth extending up to a second frequency band adjacent to the first frequency band.11-14-2013
20130307746ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE - An antenna device includes a feed coil and a sheet conductor. The feed coil includes a magnetic core and a coil-shaped conductor, which is provided around the magnetic core. An RFIC is connected to the feed coil. The sheet conductor has a larger area than the feed coil. A slit that extends from a portion of the edge of the sheet conductor toward the inner side of the sheet conductor is provided in the sheet conductor. The feed coil is arranged such that the direction of the axis around which the feed coil is disposed is parallel or substantially parallel to the directions in which the sheet conductor extends. The feed coil is arranged such that the feed coil is close to the slit and one of coil openings at the ends of the feed coil faces the slit.11-21-2013
20130321235AJUSTABLE ANTENNA - The invention provides an antenna which can be configured to use s selected number of coils but for the same operating frequency. This enables a desired (and adjustable) compromise to be found between power consumption and signal strength.12-05-2013
20130342420ANTENNA ASSEMBLY WITH MULTIBAND FUNCTION - A simple antenna assembly suitable for several wireless frequency bands includes a base board, a first radiator, and a second radiator. The base board has opposite sides connected by an edge and includes a feed point and a grounding point. The first radiator is electronically connected to the feed point, and the second radiator is electronically connected to the grounding point. The first radiator and the second radiator are positioned at opposite sides of an edge of the base board and spaced from each other. The first radiator receives and transmits wireless signals having a first central frequency, and the second radiator is coupled with the first radiator to cooperatively receive and transmit wireless signals having a second central frequency.12-26-2013
20140015729ANTENNA DEVICE - A first antenna element 01-16-2014
20140049438DISTRIBUTED COUPLING ANTENNA - An antenna including a ground plane region, a feed element having associated with it a first reactance and a coupling element having associated with it a second reactance, the second reactance being of opposite sign to the first reactance, the coupling element being coupled to the feed element and to the ground plane region and being located in close proximity to the ground plane region, wherein an impedance and hence a resonant frequency of the antenna depend on the first and second reactances.02-20-2014
20140055315Wireless Telephone Coupled Antenna - An auxiliary antenna for a RF communicating computing device such as a smartphone or pad computer or laptop computer, is provided for enhancement of the RF transmit and receive capabilities of the computing device. The antenna is engaged using mutual coupling of the antenna to an input point or feed line or antenna element of the computing device by registered placement on or adjacent an exterior surface of the computing device. The registered engagement can be provided by inclusion of the auxiliary antenna in a protective or decorative surrounding case, or use of an applicable antenna on a dialectic and a pattern configured to only engage the proper surface of the computing device.02-27-2014
20140104129Ultra-wideband antenna and terminal - The present disclosure discloses an ultra-wideband antenna, including: a coplanar waveguide feeder connected to a Radio Frequency (RF) excitation port on the PCB substrate at one end and to a tapering supporting arm at the other end; the tapering supporting arm connected to the coplanar waveguide feeder at one end and to a primary radiating closed-band-shaped monopole at the other end; the primary radiating closed-band-shaped monopole connected to the tapering supporting arm; a primary coupling patch located in the area closed by the closed band of the primary radiating closed-band-shaped monopole; a secondary radiating closed-band-shaped monopole connected to the primary radiating closed-band-shaped monopole through a metallic via; and a secondary coupling patch located in the area closed by the closed band of the secondary radiating closed-band-shaped monopole. The present disclosure also discloses an ultra-wideband terminal. With the antenna and the terminal of the present disclosure, space usage is reduced, facilitating development of an ultrathin terminal and widening bandwidth, and thus allowing the terminal to operate in the range of an ultrawide band.04-17-2014
20140125545LIMITER FOR BROADBAND HIGH-FREQUENCY SIGNALS - A limiter for high-frequency signals has an input, whereas the high-frequency signal is supplied to the limiter at its input. The limiter provides several limiting stages which are electrically connected to the input. Each limiting stage is a series circuit with an unbiased diode and a Zener diode which does not serve to bias the diode, so that the high-frequency signal is electrically connected to a reference ground via the one unbiased diode and the Zener diode.05-08-2014
20140132472Device, Apparatus and Method for Producing a Body or Platform Interfaced with a Wideband Antenna System - A device, apparatus and method for producing a body or platform interfaced with a wideband antenna system. The antenna interfaces to the body or platform so as to comprise a synergistic radiating system.05-15-2014
20140184465ANTENNA DEVICE - A first antenna element 07-03-2014
20140210683CALIBRATING A RETRO-DIRECTIVE ARRAY FOR AN ASYMMETRIC WIRELESS LINK - The disclosed embodiments relate to a technique for calibrating a retro-directive array. During the calibration process, the system measures a gain g07-31-2014
20140266961Mode Filter - A mode filter provides a low-loss transmission path for RF signals propagating in a first mode, while substantially suppressing at least one second mode. The mode filter includes a proximal port and a distal port, having a respective characteristic cross sectional dimension D09-18-2014
20140285393DUAL-TAPERED MICROSTRIP-TO-WAVEGUIDE TRANSITION - An antenna apparatus comprises a substrate with a microstrip-to-waveguide transition comprising a microstrip feedline extending between a first terminal point and a second terminal point at a first metal layer and comprising a microstrip element and a probe element. The microstrip element includes a connection segment extending from the first terminal point to a second point, a taper segment extending from the second point to a third point, and a continuous-width segment extending from the third point to a fourth point. The probe element extends from the fourth point to the second terminal point and has a width which is narrower than the continuous-width segment. The substrate further includes a waveguide opening comprising a region surrounding the probe element and includes a plurality of metal vias disposed at the perimeter of the waveguide opening and which extend from the first metal layer to the second metal layer.09-25-2014
20140292609Device and Process for Reduction of Passive Intermodulation - An antenna includes a plurality of metallic components, the plurality of metallic components arranged to provide transmission of a high-power broadcast signal. The antenna further includes at least two of the plurality of metallic components being configured to be connected to one another, an insulating material arranged between the at least two of the plurality of metallic components, and nonmetallic mechanical fasteners holding the at least two of the plurality of metallic components together.10-02-2014
20150015452ACTIVE ANTENNA MODULE - An active antenna module is disclosed. The active antenna module comprises a loop antenna, a RF transistor, a LR series circuit, a first bypass capacitor and a second bypass capacitor. The RF transistor comprises a control port, a first port, and a second port. Each of two ends of the loop antenna is electrically connected to one of the control port and the second port, and the control port and the second port are out of phase. The second port is electrically connected to the first port via the first bypass capacitor. The first port is electrically connected to ground via the LR series circuit. The second bypass capacitor and a resistor of the LR series circuit are connected in parallel.01-15-2015
20150022418WIRELESS MODULE - A wireless module includes a wireless module main body including a first antenna on a first insulating substrate, and a coupler including a second antenna on a second insulating substrate arranged so as to face the first insulating substrate, wherein a connection terminal to which an external antenna is connectable is formed in the second insulating substrate, the connection terminal being connected to a feeding point for the second antenna, individual portions of the conductor patterns in the first antenna and the second antenna are configured so as to face each other, a resonant frequency of the second antenna is set to be higher than a resonant frequency of the first antenna, and the resonant frequency of the second antenna is set so that a transmission frequency characteristic from the first antenna to the second antenna matches a frequency characteristic of the resonant frequency of the first antenna.01-22-2015
20150294781INDUCTOR BRIDGE AND ELECTRONIC DEVICE - An inductor bridge is provided with a flexible flat plate-shaped element body, a first connector, and a second connector. The element body includes therein an inductor portion. The inductor portion is configured by a spiral conductor pattern. The first connector is provided on the element body and is connected to a first circuit. The second connector is provided on the element body and is connected to a second circuit.10-15-2015
20150325914FEED NETWORK AND ELECTROMAGNETIC RADIATION SOURCE - An antenna may include a volume polarization current radiator and a feed network. The volume polarization current radiator, includes a dielectric solid (such as a dielectric strip), and a plurality of closely-spaced excitation elements (11-12-2015
20150357696Phase-Shift Circuit and Antenna Device - A phase-shift circuit being smaller in size than a conventional phase-shift circuit and being capable of causing a phase difference equivalent to or larger than that in the conventional phase-shift circuit between an input signal and an output signal is achieved. A phase-shift circuit includes: a signal line; and a dielectric member overlapping the signal line and being capable of reciprocating in a direction intersecting the signal line, and changes a phase of a signal propagating through the signal line. The dielectric member is configured of a frame body and a dielectric plate provided inside the frame body and having an overlapping area with the signal line increased or decreased by the reciprocation, and the frame body has a permittivity lower than a permittivity of the dielectric plate.12-10-2015
20150357999Direct Coupled Biasing Circuit for High Frequency Applications - This invention eliminates the need for “capacitor coupling” or “transformer coupling,” and the associated undesirable parasitic capacitance and inductance associated with these coupling techniques when designing high frequency (˜60 GHz) circuits. At this frequency, the distance between two adjacent stages needs to be minimized. A resonant circuit in series with the power or ground leads is used to isolate a biasing signal from a high frequency signal. The introduction of this resonant circuit allows a first stage to be “directly coupled” to a next stage using a metallic trace. The “direct coupling” technique passes both the high frequency signal and the biasing voltage to the next stage. The “direct coupling” approach overcomes the large die area usage when compared to either the “AC coupling” or “transformer coupling” approach since neither capacitors nor transformers are required to transfer the high frequency signals between stages.12-10-2015
20150371761INDUCTOR ELEMENT, INDUCTOR BRIDGE, AND HIGH-FREQUENCY FILTER - An inductor element includes a resin substrate which is an insulating substrate including conductor patterns, and coils defined by the conductor patterns. Two coils are arranged on the same plane, and connected in series. Adjacent coils define a closed magnetic circuit. That is, the winding direction and the connection of the coils are determined such that magnetic flux that interlinks coils that are adjacent in the planar direction define a loop. There are also provided an inductor bridge and a high-frequency filter that include the inductor element.12-24-2015
20150372362Dielectric Phase-Shift Module And Phase-Shift Unit Thereof, Feeding Network And Antenna - A feeding network is realized by dielectric phase shifting module. The module includes a dielectric device into which interlayer space is defined, a first conductor and a second conductor disposed side by side into the interlayer space and a third conductor located outside of the interlayer space and connected, at different locations, to one end, located at a same side, of each of the first and second conductors. Another end of the first conductor is defined as an input end, while another end of the second conductor and any end of the third conductor are all defined as output ends. The dielectric device is configured to slide along a longitudinal direction of the first and second conductors under external force so as to change phase of signals fed in from the input end and fed out from the output ends. Two dielectric phase-shift modules constitute a phase-shift unit thereof.12-24-2015
20160006093ELECTROMAGNETIC BANDGAP STRUCTURE AND ELECTRONIC DEVICE HAVING THE SAME - An electromagnetic bandgap structure and an electronic device having the same are provided. The electromagnetic bandgap structure includes a first conductive element, a second conductive element and a planar inductive element. The planar inductive element is disposed between the first conductive element and the second conductive element. Furthermore, the planar inductive element is electrically connected to the first conductive element via a first conductive pillar, and it is electrically connected to the second conductive element via a second conductive pillar.01-07-2016
20160006094CROSS COUPLED BAND-PASS FILTER - [Problem] To provide a cross coupled band-pass filter that reduces a loss of a signal due to a dielectric loss and enables a resonance frequency to be easily changed.01-07-2016
20160013540GLAZING01-14-2016
20160036128Antenna Apparatus and Communication System - An antenna apparatus can include a transmission medium that is positioned within layers of an antenna apparatus that are positioned adjacent to a first upper layer that is configured to include a signal receiving and transmission element (e.g. an antenna, patch antenna, etc.). The transmission medium can include or otherwise be connected to one or more resonators so that only a signal within a pre-selected band is passable through the transmission band. Any signal in a band outside of the pre-selected band may not be passable through the transmission medium due at least in part to the resonators. In some embodiments, the transmission medium may be part of a stripline or a microstrip. Embodiments of the apparatus may also be configured to block backward radiation emittable from the antenna to help prevent a body of a person near that device from absorbing such radiation.02-04-2016
20160049709PHASE SHIFTER, ANTENNA AND RADIO APPARATUS - A phase shifter, which reduces the loss of transmission/reception signals, includes: a linear conductor (02-18-2016
20160049724POWER COMBINERS AND DIVIDERS BASED ON COMPOSITE RIGHT AND LEFT HANDED METAMATERIAL STRUCTURES - Techniques, apparatus and systems that use composite left and right handed (CRLH) metamaterial structures to combine and divide electromagnetic signals at multiple frequencies. The metamaterial properties permit significant size reduction over a conventional N-way radial power combiner or divider. Dual-band serial power combiners and dividers and single-band and dual-band radial power combiners and dividers are described.02-18-2016
20160065174LADDER FILTER AND DUPLEXER - A ladder filter includes a plurality of series-arm resonators and parallel-arm resonators including surface acoustic wave resonators. A metallization ratio of the series-arm resonator having the smallest electrostatic capacity among the plurality of series-arm resonators is the smallest among the plurality of series-arm resonators and an electrode finger pitch of the series-arm resonator having the smallest electrostatic capacity is the largest among electrode finger pitches of the plurality of series-arm resonators.03-03-2016
20160072172TIME DELAY UNIT - An electronic stripline circuit includes a flexible dielectric film having a three-dimensional coiled shape that defines a spiraled inner core. At least one electrically conductive signal trace is formed on a first surface of the flexible dielectric film. The signal trace extends along a signal path to define a trace length configured to control a time delay of a coiled time delay unit.03-10-2016
20160126620ANTENNA ASSEMBLY AND WIRELESS COMMUNICATION DEVICE EMPLOYING SAME - An antenna assembly includes an elastic piece, a connecting portion, a first radiating portion, and a second radiating. The connecting portion is coupled to the base board and includes a feeding point and a ground point. The first radiating portion is electrically connected to the feeding point and the elastic piece. The second radiating portion is electrically connected to the ground point and spaced from the first radiating portion. The first radiating portion, the elastic piece, and the second radiating portion are configured to operate at a first frequency band; the first radiating portion and the elastic piece generate a frequency-doubled effect to operate at a second frequency band. A wireless communication device employing the antenna assembly is also provided.05-05-2016
20160164157SYSTEMS AND METHODS FOR RADIO FREQUENCY (RF) ENERGY WAVE SWITCHING USING ASYMMETRICALLY WOUND FERRITE CIRCULATOR ELEMENTS - Systems and methods for RF energy wave switching using asymmetrically wound ferrite circulator elements are provided. In one embodiment, a ferrite circulator waveguide switched system comprises: a plurality of ferrite circulator elements coupled together sequentially, the ferrite circulator elements including: a first ferrite circulator element that defines a first port of the switched system; a second ferrite circulator element that defines a second port of the switch system; and an asymmetrically wound ferrite circulator element coupled between the first and second ferrite circulator elements and to an isolation element; and a latch wire threaded through the first ferrite circulator element and the asymmetrically wound ferrite circulator element, wherein the latch wire is wound through the first ferrite circulator element and the asymmetrically wound ferrite circulator element such that a current pulse through the latch wire magnetizes both the first ferrite circulator element and the asymmetrically wound ferrite circulator element.06-09-2016
20160191014Simplified acoustic rf resonator parallel capacitance compensation - RF circuitry, which includes a first acoustic RF resonator (ARFR) and a first compensating ARFR, is disclosed. A first inductive element is coupled between the first compensating ARFR and a first end of the first ARFR. A second inductive element is coupled between the first compensating ARFR and a second end of the first ARFR. The first compensating ARFR, the first inductive element, and the second inductive element at least partially compensate for a parallel capacitance of the first ARFR.06-30-2016
20170237171PATCH ANTENNA08-17-2017
20180026369APPARATUS AND METHOD FOR MATCHING ANTENNA IMPEDANCE IN WIRELESS COMMUNICATION SYSTEM01-25-2018

Patent applications in class With coupling network or impedance in the leadin

Patent applications in all subclasses With coupling network or impedance in the leadin

Website © 2025 Advameg, Inc.