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| Number | Title | Issue Date |
| 8188815 | Waterproof waveguide assembly having a core part with a seam formed by engaging parts and the core part enclosed by a separate external housing A waterproof communication apparatus comprises a core part and a separate external housing. The core part is a combination having at least one seam, and is used to transmit electromagnetic waves. The separate external housing covers the core part to prevent environm... | 05/29/2012 |
| 8120450 | High frequency circuit module The invention provides a high frequency circuit module according to the present invention includes: a circuit component having a plurality of terminals arranged on an outer side thereof, and a circuit board of a multilayered construction or a single-layered construc... | 02/21/2012 |
| 8058955 | Waterproof waveguide assembly having a core assembly with a seam enclosed by a metallic enclosure A waterproof communication apparatus comprises a core assembly having at least one seam, configured to transmit an electromagnetic wave; and a seamless enclosure enclosing the core assembly, configured to prevent the ingress of atmospheric moisture through the at le... | 11/15/2011 |
| 8022793 | Sandwich vehicle structure having integrated electromagnetic radiation pathways A sandwich vehicle structure may allow for confined propagation of electromagnetic radiation within the sandwich vehicle structure. The sandwich vehicle structure may include at least one upper conducting plate, at least one lower conducting plate, and a core extend... | 09/20/2011 |
| 8008998 | Waveguide comprised of two waveguide members assembled by using a positioning pin and a positioning hole in the two members A waveguide includes a first waveguide member and a second waveguide member. The second waveguide member is combined with the first waveguide member to form a through hole. The first waveguide member includes a first shell and two first wing portions connected to th... | 08/30/2011 |
| 7898370 | Hybrid surface mountable packages for very high speed integrated circuits In one example, a hybrid surface mountable package includes a housing at least partially defining a sealed cavity, two microwave integrated circuits (MIC) chips positioned inside the sealed cavity, and a very-high-speed interconnect connecting the two MIC chips to e... | 03/01/2011 |
| 7876180 | Waveguide forming apparatus, dielectric waveguide forming apparatus, pin structure, and high frequency circuit There are provided a waveguide forming apparatus, a dielectric waveguide forming apparatus, a pin structure and a high frequency circuit that can optimize a circuit portion provided therein and have high versatility. A waveguide is formed by allowing first and secon... | 01/25/2011 |
| 7439831 | Transition circuit A transition circuit includes: a waveguide having a notched portion formed by cutting away a portion of the tube wall of the waveguide from the end portion of the waveguide; a dielectric substrate in which a portion extending outside the waveguide through the notche... | 10/21/2008 |
| 7432781 | Monolithic duplexer and fabrication method thereof A monolithic duplexer and a fabrication method thereof. The monolithic duplexer includes a device wafer, a plurality of elements distanced from each other on a top portion of a device wafer, first sealing parts formed on the top portion of the device wafer, and a pl... | 10/07/2008 |
| 7425930 | Light-weight signal transmission lines and radio frequency antenna system A light weight antenna system and corresponding lightweight transmission lines are disclosed that are characterized as having an extremely light weight relative to prior such systems and lines. An inflatable body having an inner surface connected to an outer surface... | 09/16/2008 |
| 7423497 | Device for coupling suspended stripline and NRD guides A hybrid microwave-coupling device is for transmitting signals from non-radiative dielectric (NRD) waveguides to suspended striplines (SSL), and vice-versa. The two transmission lines are placed transversally with a longitudinal side of the NRD guide facing the SSL ... | 09/09/2008 |
| 7414491 | Method and apparatus for changing the polarization of a signal A method and apparatus for changing the polarization of an input signal includes propagating a polarized input signal having orthogonal E-field components by at least one surface each having a respective surface impedance and varying at least one of the surface impe... | 08/19/2008 |
| 7414424 | Directional power detection by quadrature sampling Power measurement and control in transmission systems are affected by changes in load conditions. A method and system are provided for detecting and controlling power levels independent of such load conditions. ... | 08/19/2008 |
| 7403085 | RF module The present invention provides an RF module capable of outputting balanced electromagnetic waves without requiring adjustment and easily realizing miniaturization. The RF module includes: a waveguide (3) having an area which is surrounded by a pair of ground ... | 07/22/2008 |
| 7358834 | Transmission line voltage controlled nonlinear signal processors Waveguide nonlinear signal processors include transmission lines defined on a substrate. A plurality of varactors or pairs of varactors are situated along the transmission line and are in communication with a signal conductor of the transmission line and one or more... | 04/15/2008 |
| 7355496 | Finline type microwave band-pass filter The present invention relates to a FINLINE type microwave band-pass filter comprising a waveguide provided with an insulating substrate placed in an E plane of the guide and comprising on at least one of the surfaces, conductive inserts electrically connected to the... | 04/08/2008 |
| 7351990 | Analyzer magnet chamber liner A waveguide liner for an analyzer magnet chamber having three interlocking pieces of graphite, the liner pieces having sufficient size to allow them to stand freely without being secured, said liner pieces providing case of interchange and replacement in a Kestrel a... | 04/01/2008 |
| 7352258 | Waveguide adapter for probe assembly having a detachable bias tee A probe assembly including a probe, a waveguide to transmission path transition, and a bias tee detachably connected to the probe. ... | 04/01/2008 |
| 7348864 | Integrated MMIC modules for millimeter and submillimeter wave system applications An integrated circuit module comprising integrated coupling transmission structures protruding from the main body of the integrated circuit with extra substrate material removed around and/or under the coupling transmission structures. ... | 03/25/2008 |
| 7315678 | Method and apparatus for low-loss signal transmission The present invention relates to the field of radio-frequency (RF) waveguides. More specifically, the present invention pertains to a method and apparatus that provides ultra-low-loss RF waveguide structures targeted between approximately 300 GHz and approximately 3... | 01/01/2008 |
| 7301424 | Flexible waveguide cable with a dielectric core According to some embodiments, a waveguide cable includes a dielectric core and a conducting layer surrounding the dielectric core. A first antenna may be provided at a first end of the waveguide cable to receive a digital signal and to propagate an electromagnetic ... | 11/27/2007 |
| 7298232 | Low-loss filter and frequency multiplexer A waveguide filter with a signal input port at a first end and a signal output port at a second end includes a dielectric core of moldable material where the outer surface of its periphery has a metal layer with nonmetallized openings positioned at opposite ends of ... | 11/20/2007 |
| 7292123 | Waveguide E-plane RF bandpass filter with pseudo-elliptic response The invention relates to RF bandpass filters with pseudo-elliptic response. In a filter comprising a dielectric substrate placed in E position in a rectangular waveguide and comprising inserts on one of the surfaces of the substrate are placed conductors linked elec... | 11/06/2007 |
| 7280011 | Waveguide and method of manufacture A hollow waveguide (1) has a wall (3) having plural pegs (16) thereon. The pegs (16) which project into the hollow interior of the waveguide (1) such that the waveguide (1) propagates electromagnetic waves only below a certa... | 10/09/2007 |
| 7271680 | Method, apparatus, and system for parallel plate mode radial pattern signaling A method, system, and apparatus for high data rate parallel plate mode signaling. ... | 09/18/2007 |
| 7268650 | Phase shifting waveguide with alterable impedance walls A waveguide is disclosed that shifts the phase of the signal passing through it. In one embodiment, the waveguide has an impedance structure on its walls that resonates at a frequency lower than the frequency of the signal passing through the waveguide. This causes ... | 09/11/2007 |
| 7253698 | Line converter for coupling standing waves to a shield area of a three dimensional waveguide A line converter includes ground conductors, a transmission-line conductor and a coupling-line conductor disposed on a dielectric substrate. A dielectric-filled waveguide includes a lower conductor plate, an upper conductor plate, a lower dielectric strip, and an up... | 08/07/2007 |
| 7248866 | Frequency selective load pull tuner and method An automatic, frequency selective microwave tuner, used for load pull transistor testing, is capable of generating independently controllable reflection factors, both in amplitude and phase, at several, harmonic or not, frequencies simultaneously. The tuner employs ... | 07/24/2007 |
| 7245264 | High frequency module and array of the same A high frequency module for converting a high frequency wave in a free space to a high frequency wave in a planar waveguide includes two metal plates, a dielectric substrate and a planar waveguide disposed on the dielectric substrate. The dielectric substrate betwee... | 07/17/2007 |
| 7239267 | Microwave sealing for radar level gauges A radar level gauge system is disclosed, having a transmitter for transmitting measuring signals towards the surface of the filling material, a receiver for receiving echo signals from said surface and a fastening structure adapted to secure said transmitter and rec... | 07/03/2007 |
| 7236070 | Electronic component module and manufacturing method thereof An electronic component module has a device-side module A and an antenna-side module B. The device-side module A is equipped with a first dielectric substrate 11 that is formed with a first transmission line 11a and a high-frequency device 13... | 06/26/2007 |
| 7233216 | Line transition having a notch in the dielectric substrate adjacent the coupling line pattern The present invention provides a line transition and a method for manufacturing the same. The line transition is constructed such that a planar circuit can be arranged in the direction parallel to the propagation direction of electromagnetic waves propagating throug... | 06/19/2007 |
| 7230217 | Hybrid rectangular heating applicators A rectangular microwave applicator operating at a predetermined frequency and comprising a microwave enclosure forming a cavity having first and second transverse dimensions and a longitudinal dimension n the direction of propagation of microwave energy, wherein sai... | 06/12/2007 |
| 7221181 | Directional power detection by quadrature sampling Power measurement and control in transmission systems are affected by changes in load conditions. A method and system are provided for detecting and controlling power levels independent of such load conditions. ... | 05/22/2007 |
| 7218190 | Waveguides and scattering devices incorporating epsilon-negative and/or mu-negative slabs Waveguides and scattering devices are made from a pair of slabs, at least one slab being either an “epsilon-negative (ENG)” layer in which the real part of permittivity is assumed to be negative while its permeability has positive real part, or a “mu-negative ... | 05/15/2007 |
| 7218833 | Wireless communication system and apparatus A wireless communication system comprises a plurality of wireless communication apparatus, a plurality of sub-racks, and a rack. The wireless communication apparatus comprises a demultiplexing circuit, a cable to be connected to the demultiplexing circuit, a wavegui... | 05/15/2007 |
| 7205956 | Structural waveguide formed in a leg of an antenna tower and method of use A communications tower, or other structure is provided with at least one waveguide defined in a structural support. The waveguide can be used to transmit signals up and down the communications tower thereby eliminating at least some cabling. ... | 04/17/2007 |
| 7205862 | Waveguide-to-microstrip transition with a multi-layer waveguide shorting portion The invention provides a dielectric substrate; a ground conductor pattern is formed on one surface of the dielectric substrate and which has a ground conductor pattern omission portion; a strip conductor pattern formed on a surface of the dielectric substrate opposi... | 04/17/2007 |
| 7204140 | Radar level gauge flange The present invention relates to a radar level measuring device for non-contact measurement of a level of a product in a container. The device comprises a flange which is mounted on the container in such a way that a lead-through of the flange at least partly covers... | 04/17/2007 |
| 7202453 | Energy applicators adapted to dielectric heating A dielectric heating system with which the power density applied to the product being treated can be at least doubled without risk of electric arcs. This invention is particularly suitable for treatment of compounds that absorb electromagnetic waves weakly (low diel... | 04/10/2007 |
