Wave transmission lines and networks inventions 01/08

20080024250 - Coil block and electronic device using the same: A coil block and an electronic device using the same are provided. The coil block includes a first coil, a second coil, a core having an intermediate layer for separating the first coil and the second coil from each other, and a shield for shielding the first coil, the second... Agent: Sughrue Mion, PLLC

20080024241 - High-frequency coupler, rf guide, and antenna: A high frequency coupler (2) comprising first and second coupler patterns (11, 12) each having an annular shape broken at one location and formed, facing each other, on the front and rear surfaces of a circuit board (10) consisting of a dielectric and being t thick. The terminals (11a, 11b)... Agent: Flynn Thiel Boutell & Tanis, P.C.

20080024242 - Phase shifter, method of fabricating the same, and duplexer having the same: A phase shifter fabricated by a simple process and having a simple structure, a method of fabricating the same, and a duplexer having the same are disclosed. The duplexer includes a transmitting-end filter capable of passing only a signal in the range of a transmission frequency, a receiving-end filter capable... Agent: Sughrue Mion, PLLC

20080024243 - Duplexer: p

20080024244 - Filtering circuit fitted with acoustic resonators: A filtering circuit based on a lattice structure comprising a first and a second input and a first and second output. The circuit further comprises two series impedance and two parallel impedance which each comprises an acoustic resonator associated with two inductive and capacitive components which can be adjusted by... Agent: Seed Intellectual Property Law Group PLLC

20080024245 - Multi-band filter module and method of fabricating the same: A multi-band filter module and a method of fabricating the same are provided. The multi-band filter module includes a piezoelectric substrate, a first filter provided on the piezoelectric substrate, and a second filter provided adjacent to the first filter on the piezoelectric substrate, and operating in a frequency band that... Agent: Sughrue Mion, PLLC

20080024246 - Filter having multiple surface acoustic wave filters connected in parallel: A filter includes a first filter that is connected between an input node and an output node and is a surface acoustic wave filter, and a second filter that is provided between the input node and the output node and is connected in parallel with the first filter. The first... Agent: Arent Fox LLP

20080024247 - Low-pass filter: A filter includes an input portion, a low-impedance transmission portion, a high-impedance transmission portion, and an output portion. The input portion receives electromagnetic signals. The high-impedance transmission portion is electrically connected to the input portion, and includes a first high-impedance transmission portion, a second high-impedance transmission portion, a third high-impedance... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20080024248 - High frequency filter in a coaxial construction, in particular in the manner of a high frequency separating filter (for example a duplex separating filter) or a bandpass filter or or band-stop filter: An improved high frequency filter in a coaxial construction with one or with a plurality of resonators is distinguished inter alia by the following features the thread pitch or the thread pitch angle of the external thread of the thread-like tuning element differs from the thread pitch or the thread... Agent: Nixon & Vanderhye, PC

20080024249 - High-frequency filter: The invention relates to a high-frequency filter that has the following features: a substrate is provided that is made of dielectric material and comprises a first face and an opposite second face; at least one stripline is applied to the first face of the substrate; at least one resonator is... Agent: Nixon & Vanderhye, PC

20080024251 - Coaxial waveguide converter circuit for traveling-wave tube, method of manufacturing same, and waveguide matching part for use in coaxial waveguide converter circuit: A coaxial waveguide converter circuit is provided for converting an input/output coaxial section of a traveling-wave tube to a waveguide. The circuit comprises a waveguide matching part for connecting an inner conductor of the coaxial section extending into the waveguide to a wall of the waveguide. The waveguide matching part... Agent: Sughrue Mion, PLLC

20080018419 - Hybrid bump capacitor: A device fabricated on a chip is disclosed. The device generally includes (A) a first pattern and a second pattern both created in an intermediate conductive layer of the chip, (B) at least one via created in an insulating layer above the intermediate conductive layer and (C) a first bump... Agent: Lsi Corporation

20080018421 - Superconducting filter device and method of producing the same: A superconducting filter device is disclosed that is able to prevent current concentration and improve electrical surface resistance. The superconducting filter device includes a first dielectric substrate, and a bulk superconducting resonator that is embedded in the first dielectric substrate and is formed from a bulk superconducting material.... Agent: Kratz, Quintos & Hanson, LLP

20080018412 - Divider/combiner with coupled section: A divider may include a stem or first port, and two or more branch ports connected or coupled directly or indirectly to the first port. As mentioned, a divider may include multiple sections. In some examples, a divider may include at least an inductively uncoupled section and an inductively coupled... Agent: Edward B. Anderson Kolisch Hartwell, P.C.

20080018413 - Wideband catv signal splitter device: A wideband high frequency signal splitter device utilized in a signal distribution network is disclosed. An input signal having a substantially extended frequency bandwidth is applied to an input port of the proposed signal splitter from the upstream portion of a signal distribution network. Within the signal splitter the signal... Agent: Pearl Cohen Zedek Latzer, LLP

20080018414 - Elastic wave device and manufacturing method of the same: An elastic wave device formed by bonding at least two surface acoustic wave devices by filling a resin therebetween is disclosed. Each of surface acoustic wave (SAW) devices includes a substrate; a functioning portion configured on the substrate; a recess that forms a space portion necessary for operation of the... Agent: Arent Fox LLP

20080018415 - Surface acoustic wave device: To provide a manufacturing method for a surface acoustic wave device, which makes it possible to easily and reliably connect a piezoelectric element to a substrate having an external connection terminal, and a surface acoustic wave device capable of being made smaller using this manufacturing method. A surface acoustic wave... Agent: Arent Fox LLP

20080018416 - Resonator saw filter: It is aimed to provide a resonator type SAW filter having a relatively wide fractional bandwidth by canceling and decreasing reflection coefficients of electrode fingers each other with a ¼ wavelength electrode in a multi-longitudinal-mode-coupled resonator type SAW filter. The resonator type SAW filter includes, on a piezoelectric substrate, an... Agent: Oliff & Berridge, PLC

20080018417 - Surface acoustic wave resonator and surface acoustic wave filter using the same: A Q-factor of a resonator at a high frequency is improved. An insertion loss of a filter using such a resonator and steepness of the filter are improved. A plurality of surface acoustic wave resonators including an interdigital transducer and reflecting electrodes provided on both sides thereof are connected in... Agent: Wenderoth, Lind & Ponack L.L.P.

20080018418 - Built-in cross-coupled dielectric filter: A stable and reliable built-in cross-coupled dielectric filter with temperature-independent performances and improved rectangular degree and amplitude-frequency characteristic is disclosed. The built-in cross-coupled dielectric filter comprises at least three sequentially welded coaxial dielectric resonators. Mutually coupled capacitors or mutually coupled inductors are etched on the two adjacent lateral surfaces of... Agent: Oliff & Berridge, PLC

20080018420 - Waveguide bend: s

20080012658 - Reduction of noise in a metallic conductor signal pair using controlled line balancing and common mode impedance reduction: In order to reduce noise on twisted metallic pair signal conductors, circuits are disclosed in which the signal balance between the wires of the pair is significantly improved, thereby reducing the line's susceptibility to external electromagnetic interference and equally reducing its ability to radiate signals into the surrounding medium. Further,... Agent: Wilmerhale/boston

20080012659 - Resonator matching network: An input-matching network including an acoustic resonator providing a virtual impedance to match impedance between a first component and second component. As an example, the first component may be an antenna and the second component may be an amplifier. The acoustic resonator provides a virtual impedance to match impedance between... Agent: Kathy Manke Avago Technologies Limited

20080012660 - Phase shifter circuit with proper broadband performance: A phase shifter circuit includes a plurality of first series circuits each comprised of a series connection of one capacitor and one resistor, a first circuit element including at least inductance connecting between a first end and a second end of a chain structure made by connecting the plurality of... Agent: Arent Fox LLP

20080012661 - Semiconductor device, related method, and printed circuit board: A semiconductor device, a method related to the semiconductor device, and a printed circuit board are disclosed. The semiconductor device includes a chip, a package including a plurality of power voltage terminals and a plurality of ground voltage terminals, wherein the chip is disposed in the package. The semiconductor device... Agent: Volentine & Whitt PLLC

20080012662 - Method and apparatus for a communications filter: A method and apparatus for a highpass filter structure using transmission line construction which has multiple output tabs for selection of corner frequencies utilizing a plurality of resonators coupled to the transmission line. The transmission line has a characteristic impedance which increases exponentially with respect to a distance from the... Agent: Motorola, Inc Intellectual Property Section

20080012663 - Waveguides in integrated circuits: A waveguide in semiconductor integrated circuit is disclosed, the waveguide comprises a horizontal first metal plate, a horizontal second metal plate above the first metal plate, separated by an insulation material, and a plurality of metal vias positioned in two parallel lines, running vertically through the insulation material in contacts... Agent: Howard Chen, Esq. Preston Gates & Ellis LLP

20080007368 - Apparatus and methods for forming electrical networks that approximate desired performance characteristics: Electrical networks are formed to produce an approximation of at least one desired performance characteristic, based on the recognition that fabrication variations introduce slight differences in electronic sub-networks which were intended to be identical. These fabrication differences are turned to an advantage by providing a pool of sub-networks, and then... Agent: Koppel, Patrick & Heybl

20080007369 - Bulk acoustic wave filter with reduced nonlinear signal distortion: A filter circuit includes at least one series resonator having a first terminal and a second terminal, where the first and second terminals of the at least one series resonator are coupled to an input and an output of the filter circuit, respectively. The filter circuit further includes at least... Agent: Farjami & Farjami LLP

20080007370 - Balanced surface acoustic wave filter: To provide means for improving a guaranteed attenuation of a cascade-connected unbalanced-balanced double-mode SAW filter. An unbalanced-balanced SAW filter is configured by providing two cascade-coupled primary-tertiary double-mode SAW filters on a piezoelectric substrate along a propagation direction of a surface wave in parallel and cascade-connecting them, connecting one of electrodes... Agent: Koda & Androlia

20080007371 - High frequency filter: The invention relates to a high frequency filter of coaxial construction, comprising an outer conductor housing with a housing base and a housing wall, whereby several resonators are embodied in the outer conductor housing, each comprising an inner conductor tube, electrically-coupled to the housing base. At least one part of... Agent: Nixon & Vanderhye, PC

20080007372 - System and method for preterminated network connection: A system of connecting computer and voice networks includes a plurality of voice or data cables with reusable connectors in manufacturing facility remote and combining them into a composite preterminated cable. A consolidation panel is located remote from a technology room and nearer to workstations than to the technology room.... Agent: Patterson, Thuente, Skaar & Christensen, P.A.