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| Number | Title | Issue Date |
| 8174341 | Thin film based split resonator tunable metamaterial A metamaterial comprises a substrate and a plurality of resonators supported by the substrate, each resonator including a first conducting segment and a second conducting segment, there being at least one adjustable capacitor and at least one bias capacitor located ... | 05/08/2012 |
| 8054146 | Structures with negative index of refraction The invention provides simplified negative index materials (NIMs) using wire-pair structures, 4-gap single ring split-ring resonator (SRR), fishnet structures and overleaf capacitor SRR. In the wire-pair arrangement, a pair of short parallel wires and continuous wir... | 11/08/2011 |
| 8018306 | Resonator having a three dimensional defected ground structure in transmission line A high quality resonator has a three dimensional Defected Ground Structure (DGS) in the transmission line. The resonator includes a substrate installed at the center of the resonator floating in the air through supporting members, a transmission line on the substrat... | 09/13/2011 |
| 7994880 | Energy transferring system and method thereof An energy transferring system including a source-side resonator, an intermediate resonant module, and a device-side resonator is provided. The three resonators substantially have the same resonant frequency for generating resonance. The energy on the source-side res... | 08/09/2011 |
| 7940148 | Ball grid array resonator A ball grid array ceramic resonator including a substrate having one or more strips of conductive material on opposed first and second surfaces of the substrate. One or more conductive vias extend through the substrate and define termination ends in the respective s... | 05/10/2011 |
| 7728702 | Shielding of integrated circuit package with high-permeability magnetic material A device includes at least one ultra-small resonant structure; and shielding constructed and adapted to shield at least a portion of said ultra-small resonant structure with a high-permeability magnetic material. The magnetic material is formed from a substance sele... | 06/01/2010 |
| 7592886 | Dielectric porcelain composition and high frequency device using the same A dielectric porcelain composition of the present invention includes a first component and second component. If the first component is represented by the general formula of xBaO-yNd2O3-zTiO2-wBi2O3 (provided tha... | 09/22/2009 |
| 7538641 | Fractal and space-filling transmission lines, resonators, filters and passive network elements A high frequency electromagnetic circuit is disclosed as being patterned on a metallic or superconducting film on top of a dielectric in a plurality of configurations. A part of the circuit such as the characteristic strip or slot of the configurations is shaped in ... | 05/26/2009 |
| 7495532 | Systems and methods for blocking microwave propagation in parallel plate structures Systems and methods are taught for blocking the propagation of electromagnetic waves in parallel-plate waveguide (PPW) structures. Periodic arrays of resonant vias are used to create broadband high frequency stop bands in the PPW, while permitting DC and low frequen... | 02/24/2009 |
| 7479857 | Systems and methods for blocking microwave propagation in parallel plate structures utilizing cluster vias Systems and methods are taught for blocking the propagation of electromagnetic waves in parallel-plate waveguide (PPW) structures. Periodic arrays of resonant vias are used to create broadband high frequency stop bands in the PPW, while permitting DC and low frequen... | 01/20/2009 |
| 7468644 | Gradient coil arrangement and method for using the same A gradient coil arrangement generates magnetic field gradients across the main magnetic field of a magnetic resonance imaging system and includes a first conductive member, and a second conductive member electrically coupled to the first conductive member, wherein t... | 12/23/2008 |
| 7466214 | Resonator Inside a multilayer dielectric substrate, there are a spiral-shaped first slot set in a part of a first ground conductor layer and a spiral-shaped second slot in a part of a second ground conductor layer put on the front surface of the multilayer dielectric substrat... | 12/16/2008 |
| 7449982 | Systems and methods for blocking microwave propagation in parallel plate structures Systems and methods are taught for blocking the propagation of electromagnetic waves in parallel-plate waveguide (PPW) structures. Periodic arrays of resonant vias are used to create broadband high frequency stop bands in the PPW, while permitting DC and low frequen... | 11/11/2008 |
| 7443271 | Ring filter wideband band pass filter using therewith In order to provide a band pass filter for high wavelength which has a wideband, small insertion loss and flat passband and obtains steep attenuation, a plurality of ring filters, in which, an input terminal of a high-frequency signal is provided to an arbitrary poi... | 10/28/2008 |
| 7432786 | High frequency filter A high frequency filter incorporates first to third resonators provided inside a layered substrate. The first and third resonators are adjacent to each other and inductively coupled to each other. The second and third resonators are also adjacent to each other and i... | 10/07/2008 |
| 7411474 | Printed wiring board assembly with self-compensating ground via and current diverting cutout A multi-layer printed circuit board includes a first conductive layer including at least one conductor pattern and a plated through hole extending into the first conductive layer and intersecting the conductor pattern. A current diverting cutout in the conductor pat... | 08/12/2008 |
| 7403084 | Microelectromechanical resonator structure, and method of designing, operating and using same A micromechanical resonator structure including a plurality of straight or substantially straight beam sections that are connected by curved or rounded sections. Each elongated beam section is connected to another elongated beam section at a distal end via the curve... | 07/22/2008 |
| 7403683 | Super-resolution optical components and left-handed materials thereof Super-resolution optical components and left-handed materials thereof are provided. A left-handed material includes a substrate, a plurality of deformed split ring resonators (DSRR), and a plurality of metallic bars, wherein the DSRR and the metallic bars are dispos... | 07/22/2008 |
| 7397331 | Coupling structure, resonator excitation structure and filter for coplanar-waveguide circuit A coupling structure for coupling to a circuit portion (6) in a coplanar-waveguide circuit (1) having ground conductors (2, 3) at both sides is disclosed. A signal input/output line (4) is provided at the center of the coplanar-waveguide ... | 07/08/2008 |
| 7391288 | Zeroeth-order resonator A high frequency resonator circuit and method of fabrication is described which has a resonant frequency independent of physical resonator dimensions. The resonator operates in a zeroeth-order mode on a composite right/left-handed (CRLH) transmission line (TL). The ... | 06/24/2008 |
| 7378924 | Filter with improved capacitive coupling portion A filter is provided which comprises a single dielectric, and a line conductor and a ground conductor disposed on the dielectric. The line conductor includes first and second line conductor sections having opposed portions defining an open gap therebetween to form a... | 05/27/2008 |
| 7378925 | Dielectric resonator, dielectric resonator frequency adjusting method, and dielectric resonator integrated circuit An oscillator comprising a dielectric resonator (DR) has a high controllability and reproducibility of coupling between the dielectric resonator (DR) and an oscillation circuit, and an integrated circuit is reduced in size. The dielectric resonator (DR) (1) i... | 05/27/2008 |
| 7375604 | Compact bandpass filter for double conversion tuner A bandpass filter includes a plurality of resonators on a printed circuit board. An input pin is connected to a first resonator of the plurality of resonators. An output pin is connected to a second resonator of the plurality of resonators. The first and second reso... | 05/20/2008 |
| 7369086 | Miniature vertically polarized multiple frequency band antenna and method of providing an antenna for a wireless device A miniature vertically polarized multi-frequency antenna 10 is embedded in a substrate 11 and suitable for use within a wireless device. The antenna 10 includes a first lateral member 14 and a second lateral member 16, which is spa... | 05/06/2008 |
| 7369018 | Dielectric filter In order to achieve miniaturization without degrading Q of a dielectric filter in the present invention, resonant elements has upper and lower ground electrodes. The upper ground electrode is formed of upper ground electrodes which correspond to wide portions and ha... | 05/06/2008 |
| 7362192 | Low noise voltage-controlled oscillator Oscillator circuits for reducing phase noise are described in this disclosure. In one embodiment, an oscillator circuit includes a pair of cross-coupled transistors, including a first transistor and a second transistor, a first inductor in communication with a contr... | 04/22/2008 |
| 7362101 | Sense optimized MRI RF coil designed with a target field method An MRI RF coil that is optimized for SENSE imaging is used in a method where the surface current density distribution on a coil former was calculated to maximize the SNRsense within a volume of interest. An analytic relationship was formulated between the... | 04/22/2008 |
| 7352263 | Method and mechanism for tuning dielectric resonator circuits The invention comprises a technique and associated mechanisms by which dielectric resonator circuits, such as filters, can be tuned in both frequency, bandwidth or both without the need for irises, tuning screws and/or tuning plates. In accordance with the invention... | 04/01/2008 |
| 7352264 | Electronically tunable dielectric resonator circuits In order to permit electronic tuning of the frequency of a circuit including dielectric resonators, such as a dielectric resonator filter, tuning plates are employed adjacent the individual dielectric resonators. The tuning plates comprises two separate conductive p... | 04/01/2008 |
| 7342469 | Air cavity module for planar type filter operating in millimeter-wave frequency bands Provided is an air cavity module for a planar type filter operating in millimeter-wave frequency bands. The air cavity module includes: the planar type filter operating in the millimeter frequency bands; an air cavity having open side and top surfaces to mount the p... | 03/11/2008 |
| 7342471 | Systems and methods for blocking microwave propagation in parallel plate structures Systems and methods are taught for blocking the propagation of electromagnetic waves in parallel-plate waveguide (PPW) structures. Periodic arrays of resonant vias are used to create broadband high frequency stop bands in the PPW, while permitting DC and low frequen... | 03/11/2008 |
| 7342470 | Circuit board microwave filters A microwave filter has resonator comprised of a cylindrical structure having conductive walls filled with a dielectric material where the cylindrical structure is recessed inside a multi-layered substrate. First and second conductive coupling arms are disposed on a ... | 03/11/2008 |
| 7336144 | Compact multilayer band-pass filter and method using interdigital capacitor A compact multilayer band-pass filter using an interdigital capacitor which can be integrated into a compact form in a relatively low frequency band. The band-pass filter filters only a signal of a predetermined frequency band from a signal applied through an input ... | 02/26/2008 |
| 7330090 | Zeroeth-order resonator A high frequency resonator circuit and method of fabrication is described which has a resonant frequency independent of physical resonator dimensions. The resonator operates in a zeroeth-order mode on a composite right/left-handed (CRLH) transmission line (TL). The ... | 02/12/2008 |
| 7327210 | Band agile filter A microwave filter and method for remotely tuning a microwave filter from one sub-band to another sub-band using metallic rings to adjust the capacitance or inductance of the resonator. In adjusting the capacitance, a plurality of metallic rings are disposed in the ... | 02/05/2008 |
| 7321280 | Transmission line and high frequency cavity resonator using such transmission lines, particularly for the nuclear magnetic resonance Transmission line and high frequency cavity resonator using such transmission lines, particularly for Nuclear Magnetic Resonance. This transmission line comprises a straight and segmented (1) bar, these segments being (or being made) electrically condu... | 01/22/2008 |
| 7319497 | Printed circuit board configurable television tuner A television tuner comprises a tunable bandpass filter (4) for selecting a desired input channel with an image canceling capacitor (C8) for rejecting the image frequency of the desired input channel. In order to avoid the necessity of different printed... | 01/15/2008 |
| 7319850 | Low noise block downconverter converting received signal to intermediate frequency signal In a low noise block downconverter converting a right-hand (or horizontally) polarized wave signal and a left-hand (or vertically) polarized wave signal to intermediate frequency signals, one of two filters for removal of interference waves from the intermediate fre... | 01/15/2008 |
| 7317365 | Bandpass filter having parallel signal paths A bandpass filter comprises a number of resonators which are arranged between an input and an output of the filter and which are interconnected to form at least two main signal paths that lead from the input to the output. The at least two main signal paths have ove... | 01/08/2008 |
| 7310030 | Ring millimeter-wave filter having an embedded microstrip structure A ring millimeter-wave filter is a three-dimensional dual-mode ring filter. The ring millimeter-wave filter makes use of a three-dimensional coupling architecture as the feed of a filter to conquer the limit of the smallest spacing of a planar circuit made by the lo... | 12/18/2007 |
