Wave transmission lines and networks inventions 05/09

20090134949 - Methods and apparatuses for inductor tuning in radio frequency integrated circuits: An apparatus for matching impedance within a Radio Frequency (RF) integrated circuit is presented. The apparatus includes a first impedance element placed in an RF signal path, an first inductor fabricated on the integrated circuit and connected to the first impedance element, and an adjustable capacitance circuit connected in series... Agent: Qualcomm Incorporated

20090134959 - Hf terminating resistor having a planar layer structure: The invention relates to an HF terminating resistor having a planar layer structure which, on a substrate (16), comprises a resistor layer (10) for converting HF energy to heat, an input conductor (12) for supplying HF energy and an eaerthing conductor (14) for the electric connection to an earthing contact... Agent: Law Office Of Delio & Peterson, LLC.

20090134950 - Passive component: A passive component is provided with a filter section employing a nonequilibrium input/output system, which has an input side resonator connected to a nonequilibrium input terminal, and an output side resonator coupled with the input side resonator; and a converting section having two double line coupled lines. An output stage... Agent: Burr & Brown

20090134951 - Broadband reciprocal active balun structure: The present invention relates to the field of electronic devices known as baluns. It concerns an active balun which is broadband and reciprocal. Embodiments of the invention integrate an active splitter balun with an active combiner balun so as to form three transmission lines. A first active coupling is provided... Agent: Darby & Darby P.C.

20090134952 - Power harvesting signal line termination: In various embodiments of the invention, a power-harvesting termination circuit may be used to 1) match the impedance of a signal line being terminated, and 2) recover a portion of electrical power from a signal on the signal line and provide the recovered power as an electrical voltage to be... Agent: Intel Corporation C/o Cpa Global

20090134953 - Radio frequency devices with enhanced ground structure.: Tunable radio frequency (RF) devices, such as phase shifters and filters, are formed by depositing thin film layers on a substrate and patterning the thin film layers by various lithography techniques. A thin film metal layer is patterned to form a plurality of capacitors and inductors, leaving at least two... Agent: William M. Brown Ngimat Co.

20090134955 - Boosted-bias tunable filter with dynamic calibration: In a signal communication device, a frequency-selective filter has at least one component that is biased by a control signal to establish a center frequency of the frequency-selective filter. A closed-loop bias generator is provided to generate the control signal and to adjust the control signal based, at least in... Agent: Shemwell Mahamedi LLP

20090134954 - Differential band-pass filter having symmetrically interwoven inductors: One embodiment of the invention relates to a dynamically adjustable differential band-pass filter. This band-pass filter includes a first leg that has an input portion and an output portion with a first inductor therebetween. It also includes a second leg in parallel with the first leg, where the second leg... Agent: Thomas G. Eschweiler, Esq. Eschweiler & Associates, LLC

20090134956 - Multilayer electronic component and multilayer array electronic component: A multilayer array electronic component includes a multilayer composite including a helical coil and a capacitor that are defined by stacking a coil conductor, a capacitor conductor, and a ceramic sheet on one another. External electrodes are arranged on the surface of the multilayer composite and electrically connected to the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090134957 - Film bulk acoustic resonator package and method for manufacturing the same: A film bulky acoustic resonator (FBAR) package and a method for manufacturing the package are provided. A top surface of a FBAR on a substrate is entirely covered with a cap and a signal line connected to an external circuit unit is directly attached to a bonding pad of the... Agent: The Rafferty Patent Law Firm

20090134958 - Surface acoustic wave filter and surface acoustic wave duplexer: A surface acoustic wave filter which includes a first terminal at the input side, a second terminal at the output side, a plurality of resonators electrically connected between the first and the second terminals, and a piezoelectric substrate provided on the upper surfaces of first and second terminals and the... Agent: Wenderoth, Lind & Ponack L.L.P.

20090128248 - Filter and manufacturing method thereof: A filter includes a first magnetic layer, a second magnetic layer, an insulating layer, a plurality of coils, a first non-magnetic layer and a second non-magnetic layer. The insulating layer is disposed between the first magnetic layer and the second magnetic layer, and the coils are disposed in the insulating... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090128249 - Variable capacitance circuit: The invention relates to a variable capacitance circuit which achieves reduction in both of distortion and current consumption and furthermore achieves requirements of high power handling capability, cost reduction, and downsizing of the circuit. The variable capacitance circuit includes a first variable capacitance element unit having n pieces (where n... Agent: Hogan & Hartson L.L.P.

20090128251 - Dual-frequency matching circuit: The connection topology of input terminals (2), elements (4a, 4b, 4c and 4d) and load (5) is designed similarly to a so-called “seven-segment display”, which is often used to display numerals on an electronic calculator or a digital watch. More specifically, suppose in the three horizontally running segments, the top... Agent: Mcdermott Will & Emery LLP

20090128252 - Dual-frequency matching circuit: The connection topology of input terminals (2), elements (4a, 4b, 4c and 4d) and load (5) is designed similarly to a so-called “seven-segment display”, which is often used to display numerals on a calculator or a digital watch. More specifically, suppose in the three horizontally running segments of the seven-segment... Agent: Mcdermott Will & Emery LLP

20090128250 - Power line transmission: A device including an element for receiving an electrical signal comprising a high-frequency data signal component and a low-frequency power supply component. The electrical signal is conveyed in an electrical cable of an electrical installation. The device further includes impedance matching operative in a band of frequencies of the high-frequency... Agent: Westman Champlin & Kelly, P.A.

20090128253 - High frequency electronic component: A high frequency electronic component includes: a first input terminal that receives a first transmission signal in the form of an unbalanced signal; a second input terminal that receives a second transmission signal in the form of a balanced signal; a balun that converts the second transmission signal in the... Agent: Oliff & Berridge, PLC

20090128254 - High frequency electronic component: A high frequency electronic component includes a switch and a balun. The switch performs switching between a first transmission signal in the form of an unbalanced signal received at a first input port and a second transmission signal in the form of an unbalanced signal received at a second input... Agent: Oliff & Berridge, PLC

20090128255 - Integrated bidirectional coupler: A distributed-line directional coupler including: a first conductive line between first and second ports intended to convey a signal to be transmitted; and a second conductive line, coupled to the first one, between third and fourth ports, the second line being interrupted approximately at its middle, the two intermediary ends... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20090128256 - Signal carrying apparatus: A signal carrying apparatus (101) for transmitting a signal by variation of electromagnetic field comprises a meshed first conductor portion (111) which serves as a conductor in the frequency band of the electromagnetic field, and a second conductor portion (121) of which external shape is sheet-like and which serves as... Agent: Howard & Howard Attorneys PLLC

20090128257 - Ferrite phase shifter and automatic matching apparatus: In a ferrite phase shifter, a temperature rise at ferrites can be suppressed to maintain the characteristics of the frites even when used at high power. Thus, the phase shifter can stably demonstrate high performance. The ferrite phase shifter includes a rectangular waveguide, substantially sheet-like ferrites disposed to face each... Agent: Edwards Angell Palmer & Dodge LLP

20090128258 - Emi filter with an integrated structure of common-mode inductors and differential-mode capacitors realized by flexible printed circuit board: An integrated structure of common-mode inductors and differential-mode capacitors in an EMI filter realized using a flexible circuit board, including: a closed magnetic circuit formed by a first magnetic core and a second magnetic core, optionally including an air gap formed in a middle pillar of the magnetic cores, and... Agent: Rabin & Berdo, PC

20090128259 - Automatic regulator of filter: A second operational amplifier (7) is arranged, as an interface circuit (6), between a first operational amplifier (5) outputting the control voltage (Vcd) of a dummy filter (2) and a main filter (1), and the reference voltage (Vr) of the second operational amplifier (7) is optimized such that the control... Agent: Connolly Bove Lodge & Hutz LLP

20090128260 - Electrical component: An electrical component with a filter circuit is specified that includes a first bandstop filter and a second bandstop filter. The first bandstop filter includes at least one resonator operating with acoustic waves and has a first stop band. The second bandstop filter includes LC elements and has a second... Agent: Slater & Matsil, L.L.P.

20090128261 - Filter circuit, radio communication equipment, and signal processing method: There is provided a signal processing method comprising: inputting an input signal having a certain band; dividing said input signal into a signal in a stop band and a signal in a pass band outside said stop band with a use of a band stop filter which has a center... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090128262 - Apparatus and system for transmitting power wirelessly: An apparatus for transmitting power wirelessly is provided. The apparatus comprises: a dielectric resonator which generates evanescent waves in a predetermined direction in order to transmit power; and a loop antenna which is coupled to a surface of the dielectric resonator and supplies power to the dielectric resonator. The dielectric... Agent: Stein, Mcewen & Bui, LLP

20090128263 - Cavity resonator: The invention is related to cavity resonators, a method for producing a cavity resonator, and a band pass filter system comprising cavity resonators. A cavity resonator (100) according to the invention comprises a printed circuit-board (10); an upper electrically conductive cap (20) having a three-dimensional structure (21); and a lower... Agent: Fay Sharpe/lucent

20090121802 - Systems and methods for tuning filters: Methods, systems and apparatus for filter design, analysis and adjustment are provided. Various embodiments may include, for example, methods, systems and apparatus for electric signal filter tuning. Embodiments may also include design techniques for planar electric signal (e.g., RF signals) filter tuning. In at least an embodiment of the present... Agent: Wolff Law Office, PLLC

20090121803 - Duplexer and transceiver: A duplexer according to the present invention includes a first port, a second port and a third port for external input/output, a first path formed between the first port and the third port, a second path formed between the second port and the third port, a phase shifting part provided... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090121804 - Monolithic semiconductor microwave switch array: A microwave switch array includes a plurality of microwave slotlines, each of which is controlled by a semiconductor switch including a first PIN junction formed by a primary P-type electrode and a primary N-type electrode separated by the slotline. The switches inject a plasma into the slotline in response to... Agent: Klein, O'neill & Singh, LLP

20090121805 - Low-leakage emc filter: EMC filter, connectable between a supply network and an electric operated appliance to reduce conduction noise between said supply network and said appliance, comprising one voltage regulator having an output terminal whose potential is kept close to the earth potential, in order to reduce the voltage drop, at mains frequency,... Agent: Blank Rome LLP

20090121806 - Noise filter array: A noise filter array includes filter elements including an LC parallel resonant circuit and an LC series resonant circuit each of which includes a coil and a capacitor provided in proximity in an array and integrally provided with one another. The LC series resonant circuits include ground capacitors having signal-side... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090121807 - Electronic component: An electronic component includes a layered substrate including a plurality of dielectric layers stacked, and three resonators provided within the layered substrate. One of the three resonators includes resonator-forming conductor layers of a first type and a second type that each have a short-circuited end and an open-circuited end, relative... Agent: Oliff & Berridge, PLC

20090121808 - mems resonator, a method of manufacturing thereof, and a mems oscillator: The invention relates to a MEMS resonator comprising a first electrode, a movable element (48) comprising a second electrode, the movable element (48) at least being movable towards the first electrode, the first electrode and the movable element (48) being separated by a gap (46, 47) having sidewalls. According to... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090121809 - Thin film elastic wave resonator: An upper electrode (50) includes a first electrode section (51) formed in a circle and a second electrode section (52) formed in an annulus outside of the first electrode section (51). The first electrode section (51) and the second electrode section (52) are electrically separated from each other via an... Agent: Wenderoth, Lind & Ponack L.L.P.

20090121810 - Acoustic wave filter: A longitudinally coupled resonator acoustic wave filter device that utilizes an inter-IDT resonance mode with a reduced insertion loss has a structure in which apodization weights are assigned in first to third IDTs having narrow pitch electrode finger portions in portions other than the narrow pitch electrode finger portions, such... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090121811 - Multilayered coplanar waveguide filter unit and method of manufacturing the same: A multilayered coplanar waveguide (CPW) filter unit and a method of manufacturing the same are provided. A plate having a capacitance element is formed on or below a CPW layer including a signal line for transmitting a signal and a ground plane. As the filter unit has a multilayered structure,... Agent: Mcneely Bodendorf LLP

20090121812 - Low-pass filter: A low-pass filter (20) is disposed on a substrate (10). The low-pass filter includes an input portion (202), an output portion (208), a first transmission portion (204), a second transmission portion (206), a capacitance component (210), and an inductance component (212). The input portion is used for inputting electromagnetic signals.... Agent: PCe Industry, Inc. Att. Steven Reiss

20090121813 - Electronic component: An electronic component includes first and second resonators provided within a layered substrate including stacked dielectric layers. The first resonator includes resonator-forming conductor layers of a first type and a second type. The resonator-forming conductor layers of the first type and the second type are reversed in relative positions of... Agent: Oliff & Berridge, PLC

20090121814 - Device for coupling low-frequency high-power ultrasound resonators by a tolerance-compensating force-transmitting connection: The invention relates to a device for coupling low-frequency high-power ultrasound resonators by a tolerance-compensating force-transmitting connection having at least one contact surface between the at least two resonators on or proximate to the oscillation maximum of the oscillation to be transmitted by the coupling for the purpose of transmitting... Agent: Norris, Mclaughlin & Marcus, P.A.

20090115547 - Boundary acoustic wave filter: A longitudinally coupled resonator boundary acoustic wave filter device includes a piezoelectric substrate made of LiNbO3 having a principal plane obtained by rotating the Y-axis through about 15 degrees +−10 degrees, a dielectric substrate made of silicon oxide and laminated on the piezoelectric substrate, and an electrode structure arranged at... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090115548 - Balun circuit and integrated circuit device: A balun circuit includes a first CPW line 11, a second CPW line 12a, and a third CPW line 12b that serve as signal input/output ports; a first CPS line 14a that is a differential transmission line, the first CPS line 14a relaying the first CPW line 11 to the... Agent: Sughrue Mion, PLLC

20090115549 - Front-end circuit of the wireless transceiver: A front-end circuit of the wireless transceiver is disclosed to reduce the number of the pin count of the chip, and achieve the impedance matching. The circuit comprises an antenna unit, a receiver, and a transmitting block, all of which are connected together, wherein there is no switch provided between... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090115550 - Single-pole-double-throw switch integrated with band pass filtering function: A single-pole-double-throw switch is provided, which is configured to be integrated with a bandpass filtering function and includes four quarter-wavelength transmission lines connected in series, five resonators connected in parallel to each other, and four transistors connected in parallel to four of the five resonators. When two of the four... Agent: Schmeiser Olsen & Watts

20090115551 - Noise filter: The invention can provide a miniaturized noise filter. The noise filter for reducing noise comprises a coil with a conductive wire (2) wound around a core (1); a case (6) formed of an insulating material receiving the coil; a bracket (8) of a magnetic material forming a flux path of... Agent: Wells St. John P.s.

20090115552 - Package for suppressing spurious resonance in an fbar: Disclosed is a package having a thin film bulk acoustic resonator (FBAR). The package may be utilized for suppressing spurious resonance occurred during operation of the FBAR. The package includes a negative impedance converter (NIC) operatively coupled to the FBAR through at least one interconnect. The at least one interconnect... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Cpa Global

20090115553 - Tunable resonator using film bulk acoustic resonator (fbar): A tunable resonator is provided. The tunable resonator includes a film bulk acoustic resonator (FBAR) for performing a resonance, and at least one driver which is arranged at a side of the FBAR and is deformed and brought into contact with the FBAR by an external signal, thereby changing a... Agent: Dla Piper LLP Us

20090115554 - Electronic part and electronic equipment with electronic part: An electronic part, an object of which is to improve temperature characteristics and electrical properties, includes a substrate (1), a comb-type electrode (2) that is disposed on the upper surface of the substrate (1), and a protective film (4) that covers the comb-type electrode (2) and has an uneven shape... Agent: Wenderoth, Lind & Ponack L.L.P.

20090115555 - Tunable resonator and tunable filter: A tunable filter is provided which includes a filter unit comprising a pair of microstrips which are disposed facing each other, a capacitor unit connected to one side of the filter unit, and an adjustment unit for regulating the length of each of the pair of microstrips to adjust inductance... Agent: Dla Piper LLP Us