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Wave transmission lines and networks

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
11/13/2014 > 9 patent applications in 7 patent subcategories.

20140333387 - Conductor winding and inductors arranged to form a balun having a figure eight shape: A balun including a first conductor winding, a first inductor, a second inductor, a third inductor, and a fourth inductor. The first conductor winding has a figure eight shape including a first loop and a second loop. The first inductor and the second inductor substantially surround the first loop. The... Agent:

20140333389 - Adaptor for connecting microstrip line and waveguide: An adaptor for connecting a microstrip line and a waveguide is disclosed that includes a microstrip line part and a waveguide part. The microstrip line part includes a microstrip port pattern and a patch pattern on an upper portion of a substrate, where the patch pattern is joined to an... Agent: Ace Technologies Corporation

20140333388 - High-frequency transmission device: To reduce electromagnetic wave transmission loss, a connecting portion is provided on the end portion of a waveguide. A connecting portion has a first half and a second half, each made of a dielectric material. An antenna formed on a printed circuit board is interposed between the first half and... Agent: Molex Incorporated

20140333390 - Lcl high power combiner: A combiner includes N coaxial cables each configured to connect to a respective output of N radio frequency power amplifiers, where N is an integer greater than one. Each of the N coaxial cables is configured to receive an amplified radio frequency signal from a respective one of the N... Agent:

20140333391 - Elastic wave device: An elastic wave device includes a resonator and an inductor. One end of the inductor is connected to the resonator, and the other end of the inductor is connected to a ground electrode or a signal electrode. The elastic wave device includes a chip and a mounting substrate. The chip... Agent:

20140333392 - Filter device: A filter device includes a piezoelectric substrate, an IDT arranged on a major surface of the piezoelectric substrate to define a surface acoustic wave resonator, a wiring electrode that is electrically connected to the IDT, and an acoustic member located on a major surface of the piezoelectric substrate near or... Agent:

20140333393 - Ultra-wideband assembly system and method: An ultra-wideband assembly is provided. The assembly includes a non-conductive tapered core having a conductive wire wound on an outer surface of the non-conductive tapered core, a low-frequency inductor coupled to the non-conductive tapered core via the distal end of the conductive wire and configured to allow mounting of the... Agent:

20140333394 - Methods and devices for providing a compact resonator: A compact resonator is provided which includes a coupling that is connected to the resonator in between a resonator body and pedestal. The coupling may be keyed or otherwise fixed to prevent it from moving. Both deep drawn and solid resonator designs are provided.... Agent: Radio Frequency Systems, Inc

20140333395 - Rf window to be used in high power microwave systems: A high-power microwave RF window is provided that includes a cylindrical waveguide, where the cylindrical waveguide includes a ceramic disk concentrically housed in a central region of the cylindrical waveguide, a first rectangular waveguide, where the first rectangular waveguide is connected by a first elliptical joint to a proximal end... Agent:

  
11/06/2014 > 13 patent applications in 11 patent subcategories.

20140327488 - Multiband whip antenna: A multi-band whip antenna having a 30 MHz to 2 GHz bandwidth and an L-band dipole has its coverage extended up to 6 GHz by eliminating nulls and reducing VSWR problems that are cured through the utilization of a sleeve over the feedpoint of the L-band antenna. Chokes in the... Agent:

20140327489 - Dynamically detecting resonating frequencies of resonating structures: There is described herein a real-time scheme, implementable in software, hardware, or a combination thereof, to detect a resonating frequency of a structure from a sensed signal and dynamically set the center frequency of an adaptive compensator for effective attenuation of the resonating frequency.... Agent: Pratt & Whitney Canada Corp.

20140327491 - Balun circuit using a defected ground structure: Disclosed is a balun circuit using defected ground structure. The balun circuit using a defected ground structure includes: a substrate; a ground surface formed on one surface of the substrate, the ground surface being formed with defect structure in a previously set shape; and two transmission lines formed on the... Agent:

20140327490 - Surface mount microwave system: The invention relates to a surface mount microwave system, comprising a multilayer arrangement (101) comprising a first conductive layer (103), a second conductive layer (105) and a dielectric layer (107), wherein the first conductive layer (103) is arranged on the dielectric layer (107), and wherein the dielectric layer (107) is... Agent:

20140327492 - Method and apparatus for adapting a variable impedance network: The present disclosure may include, for example, a tunable capacitor having a decoder for generating a plurality of control signals, and an array of tunable switched capacitors comprising a plurality of fixed capacitors coupled to a plurality of switches. The plurality of switches can be controlled by the plurality of... Agent:

20140327493 - Method and apparatus for adapting a variable impedance network: The present disclosure may include, for example, a tunable capacitor having a decoder for generating a plurality of control signals, and an array of tunable switched capacitors comprising a plurality of fixed capacitors coupled to a plurality of switches. The plurality of switches can be controlled by the plurality of... Agent:

20140327495 - Spst switch, spdt switch, spmt switch and communication device using the same: Various embodiments provide a single pole single throw switch. The switch may include a first terminal, a second terminal and a control terminal; a field-effect transistor having a drain connected to the first terminal, a source connected to the ground, and a gate; a bias resistor connected between the gate... Agent: Nanyang Technological University

20140327494 - Transmission circuit and signal transmission and reception circuit: A transmission circuit includes a first path that connects a first terminal for inputting or outputting signals, and one of a pair of second terminals for outputting or inputting the signals; a second path that connects the first terminal and another one of the pair of second terminals; a first... Agent: Fujitsu Semiconductor Limited

20140327496 - Tunable diplexers in three-dimensional (3d) integrated circuits (ic) (3dic) and related components and methods: Tunable diplexers in three-dimensional (3D) integrated circuits (IC) (3DIC) are disclosed. In one embodiment, the tunable diplexer may be formed by providing one of either a varactor or a variable inductor in the diplexer. The variable nature of the varactor or the variable inductor allows a notch in the diplexer... Agent: Qualcomm Incorporated

20140327497 - Coupled-resonator on-die filters for wifi applications: A radio frequency (RF) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor, and a second resonator circuit with a second capacitor and... Agent: Rfaxis, Inc.

20140327498 - Broadband circuit and communication apparatus including same: A broadband circuit between an antenna operating in a first service band and a power feeding unit and allowing the antenna to operate in a second service band wider than the first service band, includes a first line connected to the power feeding unit, a second line connected to a... Agent: Emw Co., Ltd.

20140327499 - Radio frequency filter having cavity structure: The present invention relates to a radio frequency filter having a cavity structure, comprising: a container which has a hollow inner portion and a cavity that is cut off from the outside, and a resonance element which is placed in the hollow inner portion of the container, wherein the container... Agent: Kmw Inc.

20140327500 - Filter and resonator: A filter according to embodiments includes n resonators, an input line, and an output line. Each of the resonators includes a first comb-like structure, a second comb-like structure, and a connection line that connect the first and the second comb-like structure. The first and second comb-like structures have a plurality... Agent: Kabushiki Kaisha Toshiba

  
10/30/2014 > 14 patent applications in 10 patent subcategories.

20140320227 - Modular ferrite switch for constructing switch networks: Systems and methods for a modular ferrite switch for constructing switch networks are provided. In one implementation, a circulator redundancy network comprises multiple inputs; multiple outputs; and multiple circulator modules that connect the inputs to the outputs. A circulator module includes at least one module input connected to at least... Agent:

20140320228 - Non-reciprocal circuit element, communication apparatus equipped with circuit including non-reciprocal circuit element, and manufacturing method of non-reciprocal circuit element: A circulator includes a ferrite disposed above a PCB, a metal cover that covers above the ferrite and is formed integrally, a plurality of connection parts that electrically connect the metal cover to a plurality of respective signal transmission lines above the PCB, and a permanent magnet that applies a... Agent: Nec Corporation

20140320229 - Transmission line driver with output swing control: A transmission line driver including an output configured to have a load impedance is provided. The transmission line driver includes a pull-up circuit coupled in series with the output. The transmission line driver also includes a pull-down circuit coupled in series with the output. The transmission line driver includes a... Agent: Broadcom Corporation

20140320230 - Multi-loop transformer having wideband frequency applications: A balun is disclosed that includes a main tank circuit, and at least one auxiliary tank circuit. The main tank circuit includes a primary winding and a secondary winding. The auxiliary tank circuit, which includes an auxiliary winding magnetically coupled to the primary and secondary windings and terminated in a... Agent: Qualcomm Incorporated

20140320231 - Integrated-circuit module with waveguide transition element: An integrated-circuit module includes a package molding compound layer, a radio-frequency (RF) integrated circuit embedded within the package molding compound layer and having an RF port, a waveguide transition structure embedded within the package molding compound layer, and a redistribution layer. The waveguide transition structure includes a transmission line interface... Agent:

20140320232 - Network signal transmission match device: A network signal transmission match device includes at least a substrate, at least a signal transmission component set, and at least a signal transformer connected in series with the signal transmission component set. The signal transmission component set is formed of at least a capacitor and an inductor connected in... Agent: Kinnexa, Inc.

20140320233 - Network signal transmission match structure used in electrical connector: A transmission match structure is arranged in an RJ connector and includes two substrates, a plurality of signal transmission sets and a plurality of signal transformers mounted to the substrates, and two coupling devices arranged between the substrates. The signal transmission sets are formed by respectively connecting in series a... Agent:

20140320240 - Active attenuator keeping saturated output power for reduced input power: An active attenuator is disclosed. The attenuator includes a divider to divide an input signal into two signals, a phase shifter to shift a phase of one of output signals of the divider, and a combiner to combine an output of the phase shifter with another of output signals of... Agent: Sumitomo Electric Industries, Ltd.

20140320234 - Surface acoustic wave device and composite module including same: A surface acoustic wave device includes a piezoelectric substrate including an interdigital transducer located on one principal surface thereof, an insulating layer arranged around the interdigital transducer, a cover layer arranged over the insulating layer and the interdigital transducer, and a columnar electrode penetrating through the insulating layer and the... Agent:

20140320235 - System and method for wideband high current rf choke network: A high current RF choke network comprising a high current RF choke combined with an all-pass T-bridge filter. The high current RF choke may be connected to a grounded capacitor in the serial branch of the all-pass filter. In this case the parasitic capacitance of the RF choke practically becomes... Agent: Xtend Networks Ltd.

20140320236 - Microwave acoustic wave filters: An acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output. The difference between the lowest resonant frequency and the highest resonant frequency of a plurality of resonators in the filter is at least 1.25 times the frequency... Agent: Resonant LLC

20140320238 - Coupled line system with controllable transmission behaviour: The invention relates two lines each with two terminals. A first line provides a first terminal and a second terminal. A second line provides a first terminal and a second terminal. The lines extend in spatial proximity and are coupled. The two lines transport an electromagnetic signal fed into the... Agent: Rohde & Schwarz Gmbh & Co. Kg

20140320239 - Multi-mode bandpass filter: The present invention can couple multiple resonances through a change in the shape of a part of a dielectric resonance element or of a cavity so as to couple energy between resonances when generating the multiple resonances, such as dual or triple resonances, of the dielectric resonance element in one... Agent:

20140320237 - Radiofrequency filter with dielectric element: A radiofrequency filter exhibiting at least one resonant mode comprises: at least one cavity at least partially closed using conductive walls, having a cylindrical outer surface defined by a directing curve described by a generatrix and having a point of symmetry, an axis passing through a point of symmetry and... Agent:

  
10/23/2014 > 10 patent applications in 8 patent subcategories.

20140312995 - Coupler and electronic apparatus: According to one embodiment, a coupler for wireless transfer includes a coupling element including a first open end and a second open end. The coupler further includes a feeding element electrically connecting a feed point and an intermediate portion of the coupling element between the first open end and the... Agent:

20140312986 - Tunable interconnect structures, and integrated circuit containing the same: Tunable interconnect structures, integrated circuits containing the tunable interconnect structures and methods of manufacturing the same are disclosed. The interconnect transmission line structure includes a signal conductor and a plurality of conductors in proximity to the signal conductor. The structure further includes one or more switchable conductors in proximity to... Agent: International Business Machines Corporation

20140312988 - Ka-band high power amplifier structure having minimum processing and assembling errors: A Ka-band high power amplifier structure having minimum processing and assembling errors, which uses a technique in which input and output waveguide flanges of individual amplifiers which are connected in parallel are connected to a waveguide divider and a waveguide combiner from above, and uses a waveguide transition patch implemented... Agent:

20140312987 - Signal transmission cable and flexible printed board: A signal transmission cable includes a multi-layer parallel transmission path, a single-layer parallel transmission path, and a single-layer/multi-layer conversion section. The multi-layer parallel transmission path includes two or more dielectric waveguides stacked in upper and lower directions. Each dielectric waveguide includes a dielectric layer formed of a dielectric substance, two... Agent: Sony Corporation

20140312989 - Poly-phase filter with phase tuning: A poly-phase filter receives inphase input signals I and Ī and quadrature input signals Q and Q, and provides inphase output signals Ilow and Iout and quadrature output signals Qout and Qout. The capacitance of each variable capacitor connected to the terminals providing inphase output signals Iout and Iout is... Agent: Linear Technology Corporation

20140312990 - Composite electronic component, board having the same mounted thereon, and power smoothing unit comprising the same: A composite electronic component may include: an input terminal receiving power which has been converted by a power management unit; a power smoothing unit including a capacitor including a ceramic body in which a plurality of dielectric layers and internal electrodes are stacked such that the internal electrodes are disposed... Agent: Samsung Electro-mechanics Co., Ltd.

20140312991 - Filter: The present invention provides a filter. The filter includes two common electrode layers and two inner electrode layers, where the two inner electrode layers are located between the two common electrode layers, and an electrical insulation layer is disposed between any two adjacent electrode layers of the two common electrode... Agent:

20140312992 - Common mode filter: Disclosed herein is a common mode filter having improved insertion loss characteristics. The common mode filter includes: first and second coil electrode patterns formed at an upper layer and alternately disposed; and first and second coil electrode patterns formed at a lower layer and alternately disposed, wherein the outermost pattern... Agent: Samsung Electro-mechanics Co., Ltd.

20140312994 - Laterally coupled bulk acoustic wave filter with improved passband characteristics: The invention relates to a laterally coupled bulk acoustic wave (LBAW) filter comprising a vibration layer for carrying bulk acoustic waves, electrode means comprising a first electrode coupled to the vibration layer for exciting to the vibration layer at least one longitudinal wave mode having a first frequency band and... Agent:

20140312993 - Method of fabricating multi-band filer module: A method of fabricating a multi-band filter module is provided. The method includes forming a Film Bulk Acoustic Resonator (FBAR) on a piezoelectric substrate by forming a resonant part on the piezoelectric substrate and then an air gap recessed on a surface of the piezoelectric substrate and positioned under the... Agent: Samsung Electronics Co., Ltd.

Previous industry: Modulators
Next industry: Tuners


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