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| Number | Title | Issue Date |
| 7750760 | RF module The present invention provides an RF module capable of converting electromagnetic waves in the TE mode to balanced electromagnetic waves in the TEM mode without adjustment and outputting the balanced electromagnetic waves while easily realizing miniaturization. The ... | 07/06/2010 |
| 7570137 | Monolithic microwave integrated circuit (MMIC) waveguide resonators having a tunable ferroelectric layer A ferroelectric loaded waveguide resonator capable of operation at microwave, millimeter-wave and higher frequencies and suitable for integration into a three-dimensional monolithic microwave integrated circuit (3D MMIC) is disclosed. The resonator includes a resona... | 08/04/2009 |
| 7439829 | RF module The present invention provides an RF module capable of converting electromagnetic waves in the TE mode to balanced electromagnetic waves in the TEM mode without adjustment and outputting the balanced electromagnetic waves while easily realizing miniaturization. The ... | 10/21/2008 |
| 7307581 | Mounting structure of high-frequency semiconductor apparatus and its production method In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said high-frequency transmission line may be coupled electro-magnetically to each othe... | 12/11/2007 |
| 7289079 | Radiating element for radar array A radiating element for a radar array has a conductive shell defining a cavity having an aperture; a dielectric material at least partially covering the aperture, and an excitation device coupled to the cavity for exciting the cavity in a radar band. A radar array h... | 10/30/2007 |
| 7230218 | Microwave or radio frequency device including three decoupled generators A microwave or radio frequency device including an applicator for receiving an object to be processed, and a plurality of generators supplying power to the applicator via propagation guides. According to the invention, three propagation guides propagating the microw... | 06/12/2007 |
| 7208710 | Uniform microwave heating method and apparatus A method and apparatus for creating uniform heating of an microwave absorptive target. A circularly polarized waveguide mode is created that promotes uniform heating of the microwave absorptive target by rotating a propagated non-uniform field pattern around a centr... | 04/24/2007 |
| 7196598 | Dielectric waveguide filter with inductive windows and coplanar line coupling The present invention provides a filter exhibiting excellent filter characteristics and having less number of stages. A dielectric substrate (1) has one surface connected to a top conductor (2) and an opposite surface connected to a bottom conductor ( | 03/27/2007 |
| 7167065 | Filter circuit A filter circuit has a complex block and exciting portions. The complex block has: a first block end resonator; a first resonator that is coupled to the first block end resonator; a second resonator that is coupled to the first resonator; a third resonator that is c... | 01/23/2007 |
| 7148766 | Transition between a microstrip circuit and a waveguide including a band stop filter and outside transmission reception unit incorporating the transition The invention proposes a transition between a microstrip technology circuit and a waveguide, the waveguide being furnished with a probe linked electrically to the microstrip circuit. The transition comprises at least one first resonant cavity coupled by a first hole... | 12/12/2006 |
| 7132905 | Input/output coupling structure for dielectric waveguide having conductive coupling patterns separated by a spacer Disclosed is an input/output coupling structure for coupling a printed circuit board with a dielectric waveguide having a dielectric body and a conductive film covering the dielectric body. The coupling structure comprises a first conductive pattern formed on the bo... | 11/07/2006 |
| 7122772 | Microwave resonator and method of operating microwave resonator In an even numbered polygonal microwave resonator wherein a high mode microwave mode is formed and in the resonator volume a homogeneous field distribution is established for the thermal processing of workpieces, a microwave in-coupling structure pair is provided al... | 10/17/2006 |
| 7113060 | Dielectric waveguide filter with inductive windows and coplanar line coupling A dielectric waveguide tube band-pass filter assuming lower characteristic change upon mounting, and having smaller dimensions and lower loss. Conductor layers (2a, 2c) are formed on the top and bottom surfaces of a dielectric substrate (... | 09/26/2006 |
| 7091801 | Micromechanical resonator having a metal layer surrounding a cylinder formed in a base layer The invention relates to a micromechanical resonator having a bondable resonance body and a method for fabricating a micromechanical resonator for semiconductor components. The invention provides that the resonator (26) is composed successively of a fi... | 08/15/2006 |
| 7075392 | Microwave resonator and filter assembly A half wave dielectric resonator assembly including a resonator cavity having a top surface and a bottom surface, an elongated cylindrical dielectric resonator positioned within said resonator cavity and first and second insulative supports to couple and insulate th... | 07/11/2006 |
| 7064633 | Waveguide to laminated waveguide transition and methodology One embodiment of the present invention includes a structure that defines at least a transition interior, the structure including electrically-conductive materials, the structure defining first and second openings to the transition interior, the first opening config... | 06/20/2006 |
| 6977560 | Input/output coupling structure for dielectric waveguide resonator Disclosed is an input/output coupling structure for a dielectric waveguide resonator to be mounted on a printed circuit board, which comprises; a region defined in the printed circuit board and surrounded by a first conductive film formed on the front surface of the... | 12/20/2005 |
| 6963305 | Electromagnetic coupler system This invention makes it possible to communicate through solid non-metallic walls or ceilings with low microwave power levels. RF beam forming couplers are driven by common networks. For connection to a LAN segment at the other side of a wall or ceiling, trans... | 11/08/2005 |
| 6960747 | Microwave applicator system A microwave applicator for heating loads being a waveguide transition between the rectangular TE10 and TE20 modes comprising a TE10 mode section and a TE20 mode section. The location of the load being inside said TE20... | 11/01/2005 |
| 6946933 | Dielectric loaded cavity for high frequency filters The dielectric loaded cavity for high frequency filters consists of a metal container housing s dielectric block held in position by supporting plates, that also sustains coupling and tuning elements. This invention provides broadband filters, small in size and with... | 09/20/2005 |
| 6924718 | Coupling probe having an adjustable tuning conductor A filtering system with a probe for coupling two resonators includes an iris having the probe disposed therein coupled between the two resonators. The probe has a transverse opening for receiving a tuning conductor, and the tuning conductor provides adjustable coupl... | 08/02/2005 |
| 6919782 | Filter structure including circuit board A cavity filter assembly is provided with at least one structural cavity wall comprising a circuit board. The circuit board may also contain other circuits and circuit elements such as trim capacitors, inductors, low noise amplifier circuits and power amplifiers tha... | 07/19/2005 |
| 6906268 | Heat-shrinkable retainer for PCB double-sided assembly An apparatus to retain an assembled component on one side of a double-sided printed circuit board during reflow of other components subsequently positioned on an opposite side of the double-sided printed circuit board and methods for manufacturing and using the same... | 06/14/2005 |
| 6864763 | Tunable coupling iris and method A plate has an iris defined by an aperture, and a rod extending radially outward from the iris through the plate. The rod is radially adjustable and a sleeve is disposed on the rod, for tuning the plate by slidably adjusting the rod radially. ... | 03/08/2005 |
| 6806791 | Tunable microwave multiplexer The invention is related to the field of tunable multiplexers. It consists of a tunable microwave multiplexer comprising a plurality of channel filters coupled to a combining/dividing mechanism. The plurality of channel filters can be either dielectric loaded resona... | 10/19/2004 |
| 6778041 | Millimeter wave module and radio apparatus A millimeter wave module includes a silicon substrate with first and second cavityes formed by anisotropic etching on the silicon substrate, and a glass substrate having a microstrip filter pattern and microbumps for connecting the glass substrate to the silicon sub... | 08/17/2004 |
| 6771150 | Mounting structure of high frequency semiconductor apparatus and its production method In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said high-frequency transmission line may be coupled electro-magnetically to each othe... | 08/03/2004 |
| 6762658 | Dielectric resonator and dielectric filter A dielectric resonator (10) having three surfaces formed by chamfering three ridged portions sharing an apex of a dielectric block and another three surfaces adjacent respectively thereto, in which each of the chamfered surfaces and the adjacent surfaces ther... | 07/13/2004 |
| 6759929 | Coupling loop housed in a dielectric part The present invention relates to a device (1) for transmitting or receiving electromagnetic waves in a cavity (3), where the device comprises a loop (10) and a dielectric part (9) that houses at least a first end part (11) of the l... | 07/06/2004 |
| 6657515 | Tuning mechanism for a superconducting radio frequency particle accelerator cavity A tuning mechanism for a superconducting radio frequency particle accelerator cavity, wherein the cavity comprises a number of axially aligned cells held by a frame, with at least one active cell that is axially stretchable to tune the resonant frequency ... | 12/02/2003 |
| 6657214 | Shielded enclosure for testing wireless communication devices A test system having a shielded enclosure and common air interface for testing the transmit and receive functionality of wireless communication devices such as mobile phones. A test system according to the present invention provides improved fault coverag... | 12/02/2003 |
| 6642818 | Loop coupled microwave cavity A loop coupled microwave cavity, which uses a cylindrical cavity as the main body and has a lock hole on the top of the cavity in order to connect to a loop-coupling end formed by bending the long pin of an SMA connector. The long pin of the SMA extends i... | 11/04/2003 |
| 6624723 | Multi-channel frequency multiplexer with small dimension A multi-channel multiplexer has a substantially square shape and includes an N×N matrix with a common resonator. A plurality of input/output ports are connected to a common input/output port via respective resonators of the N×N matrix and the common res... | 09/23/2003 |
| 6583692 | Multiple passband filter A filter that produces a multiple passband response as a single device. The multiple passband filter has a plurality of poles concentrated in a desired passband of the filter. A plurality of zeroes are located outside of the desired passband to form passb... | 06/24/2003 |
| 6535085 | Resonator A resonator including a lower substrate having a groove, a dielectric filling the groove, a material film formed on the inner wall of the groove, the material film for preventing the permittivity from suddenly changing between the lower substrate and the ... | 03/18/2003 |
| 6476686 | Dielectric resonator equalizer An equalizer that couples a dual-mode dielectric resonator to a planar transmission line, creating an all-pass network. Coupling is achieved using circular polarization of the electromagnetic field in the dielectric resonator. The all-pass, non-reciprocal... | 11/05/2002 |
| 6466111 | Coupler for resonant cavity A coupler for coupling RF electromagnetic energy into or out of a resonant cavity of the type which includes a control post.... | 10/15/2002 |
| 6426681 | High power adjustable RF coupling loop A high power adjustable rf coupling loop which is used to interface a transmission line to a resonant cavity is described. The coupling loop is made entirely of metallic parts and therefore is ideal for high power rf applications. Contrary to all existing... | 07/30/2002 |
| 6411182 | Cavity resonator for reducing phase noise of voltage controlled oscillator and method for fabricating the same A cavity resonator for reducing the phase noise of microwaves or millimeter waves output from a monolithic microwave integrated circuit (MMIC) voltage controlled oscillator (VCO) by using silicon (Si) or a compound semiconductor and a micro electro mechan... | 06/25/2002 |
| 6404307 | Resonant cavity coupling mechanism A coupling mechanism for coupling adjacent cavities which includes a window having side walls joining two cavities and a coupling member extending into said window between said side walls. The coupling member is movable between said side walls to adjust t... | 06/11/2002 |
