213984 ⎘
Auxiliary devices; Frequency-selective devices, e.g. filters; Hollow waveguide filters Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
Sub-classes:WAVEGUIDE FILTER WITH ELECTRONICALLY CONTROLLABLE VARIABLE DIELECTRIC MATERIAL
#2RESONATOR AND FILTER
#3FILTER
#4COAXIAL RF DUAL-POLARIZED WAVEGUIDE FILTER AND METHOD
#5RESONANT ELEMENT, AND RESONANT UNIT AND FILTER COMPRISING THE SAME
#6APPARATUS AND METHOD FOR COUPLING ELECTROMAGNETIC ENERGY INTO A CAVITY OF A RESONATOR WHICH INCLUDES ONE OR MORE LOOP-GAP RESONATORS
#7COMMUNICATION DEVICE
#8DUPLEX CERAMIC FILTER
#9HYBRID TYPE FILTER SOLUTION
#10Coaxial RF dual-polarized waveguide filter and method
#11CAVITY FILTER
#12SWITCHABLE FILTER
#13Radio frequency resonator structure
#14FILTER UNIT, ANTENNA FILTER UNIT AND RADIO UNIT
#15CAVITY FILTER FOR ANTENNA
#16RF FILTER ASSEMBLY FOR ANTENNA
#17Metallized dielectric waveguide filters having irregular shaped resonant cavities, slanted metallized openings and/or spurious coupling windows
#18Cavity filters and filter modules therefor
#19MICROWAVE OR MILLIMETER WAVE PASSIVE COMPONENTS OR DEVICES
#20Radio frequency filters having a circuit board with multiple resonator heads, and resonator heads having multiple arms
#21CAVITY FILTER AND MANUFACTURING METHOD THEREFOR
#22Cavity filter element for a cavity filter
#23Resonant cavity filters including coupling tuning by resonator rotation
#24Dielectric filter and communication device
#25Cross-coupled filter
#26FILTER
#27Cross-coupled filter
#28Single mode cavity filter
#29Band-stop filter, transmission line for band-stop filter and multiplexer
#30Cavity-based dual-band filtering balun
#31Filter
#32Tuning elements with reduced metal debris formation for resonant cavity filters
#33Coupling structure of filter and processing method
#34Bandpass filter
#35Waveguide filter
#36Tubular in-line filters that are suitable for cellular applications and related methods
#37Waveguide band-pass filter
#38Radio frequency filter
#39Coaxial RF dual-polarized waveguide filter and method
#40Band-stop filter, transmission line for band-stop filter and multiplexer
#41Coaxial Resonator and Method of Operating a Coaxial Resonator
#42Multi-filtenna system
#43Radio frequency filter
#44Resonant filter using mm wave cavity
#45Method and a system for evaluating a filter body and a method for manufacturing a cavity filter
#46Tubular in-line filters that are suitable for cellular applications and related methods
#47RF filter tuning system and method for manufacturing filter using the same
#48Cavity filter for low PIMD using hybrid cap bolt
#49Resonant cavity filters with high performance tuning screws
#50Electrosurgical apparatus
#51Re-filters for PIM measurements and a test bench utilizing the same
#52Filter and wireless network device
#53Cavity filter
#54COAXIAL RF DUAL-POLARIZED WAVEGUIDE FILTER AND METHOD
#55RF cavity filter using elastic element and method for manufacturing the same
#56METALIZED MOLDED PLASTIC COMPONENTS FOR MILLIMETER WAVE ELECTRONICS AND METHOD FOR MANUFACTURE
#57Millimeter wave filter fine-tuning structure
#58Cavity filter
#59Channel filter with adjustable frequency
#60Drill tuning of aperture coupling
#61NONUNIFORM CORRUGATED DIAPHRAGM FOR MEMS TUNERS AND ACTUATORS
#62Dielectric loaded metallic resonator
#63Cavity resonator device with a coupling element
#64Tunable low-pass filter using dual mode
#65Indirect transmission type automatic frequency modulation filter
#66Waveguide filter formed by a casing and a cap fitted into the casing, where a tuning sheet is interposed between the cap and the casing
#67Signal transmission system, connector apparatus, electronic device, and signal transmission method
#68Tunable filter
#69LIGHTWEIGHT CAVITY FILTER STRUCTURE
#70Cavity resonator with thermal compensation
#71Plating methods for modular and/or ganged waveguides for automatic test equipment for semiconductor testing
#72Multi resonator non-adjacent coupling
#73Method for compensating a temperature drift of a microwave filter
#74Microwave filter having a fine temperature drift tuning mechanism
#75RF filter tuning system and method for manufacturing filter using the same
#76OPEN CIRCUT COMMON JUNCTION FEED FOR DUPLEXER
#77Tunable filter
#78Filter capable of adjusting frequency and bandwidth
#79Reconfigurable microwave filters
#80DUAL-MODE MICROWAVE TUNABLE FILTER
#81Microwave cavity resonator
#82Resonator assembly and filter
#83LUMPED ELEMENT RECTANGULAR WAVEGUIDE FILTER
#84Nonuniform corrugated diaphragm for MEMS tuners and actuators
#85Dielectric waveguide filter with direct coupling and alternative cross-coupling
#86Cavity filter using cross-coupling
#87Cavity filter and RF communication device with the cavity filter
#88RF notch filters and related methods
#89COAXIAL RF DUAL-POLARIZED WAVEGUIDE FILTER AND METHOD
#90Methods and devices for integrating radio frequency and other signals within a conductor
#91Radio frequency filter with cavity structure
#92Intermodulation distortion reduction system using insulated tuning elements
#93System and method for electronically adjustable antenna
#94Filter, communications apparatus, and communications system
#95Shell of electronic device and wave filter
#96Generic channel filter
#97Waveguide-type image rejection filter and single-sideband receiver, frequency divider, and sideband-separating receiver using the same filter
#98Cavity filter
#99Millimeter waveband filter
#100Multi-band filter
#101WAVEGUIDE BAND PASS FILTER USING SHORT-CIRCUIT STUB FOR REJECTION PERFORMANCE IMPROVEMENT
#102Adjustable phase-inverting coupling loop
#103Millimeter waveband filter
#104RF filter for adjusting coupling amount or transmission zero
#105Dielectric waveguide filter with direct coupling and alternative cross-coupling
#106Electrosurgical apparatus
#107Multi resonator non-adjacent coupling
#108Variable bandwidth RF filter
#109Multi-band pass filter
#110Tunable filter and duplexer including filter
#111Reduced size cavity filter for PICO base stations
#112Radio frequency filter having a hollow box with a wrinkle structure and including a resonance element disposed therein which is short-circuited to the box by a pin
#113Mode filter
#114Dielectric waveguide filter with direct coupling and alternative cross-coupling
#115Microwave filter having an adjustable bandwidth
#116Metalized molded plastic components for millimeter wave electronics and method for manufacture
#117Waveguide busbar
#118TOPPED-POST DESIGNS FOR EVANESCENT-MODE ELECTROMAGNETIC-WAVE CAVITY RESONATORS
#119Isotropically-etched cavities for evanescent-mode electromagnetic-wave cavity resonators
#120Cavity filter with resilient member connected between slider and driving device
#121Non-resonant node filter
#122Cavity filter with tuning structure
#123Frequency-tunable microwave bandpass filter
#124Waveguide band-pass filter with pseudo-elliptic response
#125Locking device for a radio frequency filter tuning probe
#126Lightweight cavity filter and radio subsystem structures
#127Cavity filter with high flatness feedback
#128Cavity filter having feedback arrangement
#129Integrated cavity filter/antenna system
#130Electrical filter
#131Dielectric waveguide filter with direct coupling and alternative cross-coupling
#132RF FILTER FOR ADJUSTING COUPLING AMOUNT OR TRANSMISSION ZERO
#133Lightweight cavity filter structure
#134Filter
#135Filter
#136TE011 cavity filter assembly
#137Multi-band filter including a plurality of parallel filters each configured to provide a particular effective path length
#138Reduced size cavity filters for pico base stations
#139Method of constructing a tunable RF filter
#140Method of producing micromachined air-cavity resonator, micromachined air-cavity resonator, band-pass filter and oscillator using the method
#141Microwave filter based on a novel combination of single-mode and dual-mode cavities
#142Wave filter structure
#143Trimming of waveguide filters
#144Phased-array antenna filter and diplexer for a super economical broadcast system
#145Wideband dielectric waveguide filter
#146Harmonic suppression resonator, harmonic propagation blocking filter, and radar apparatus
#147Filter
#148High Q surface mount technology cavity filter
#149Band pass filter with tunable phase cancellation circuit
#150FILTER ASSEMBLIES AND COMMUNICATION SYSTEMS BASED THEREON
#151Transceiver device
#152Ridge-waveguide filter and filter bank
#153Waveguide-based MEMS tunable filters and phase shifters
#154Polarization-preserving waveguide filter and transformer
#155Coupling a signal through a window
#156Liquid cooled high-frequency filter
#157Coupled resonator filters formed by micromachining
#158Low-loss filter and frequency multiplexer
#159Method of fabrication of low-loss filter and frequency multiplexer
#160Bandpass filter with pseudo-elliptic response
#161U-shaped microwave and millimeter wave resonator filter
#162Filter structure including circuit board
#163Bandpass filter having parallel signal paths
#164Microwave filter assembly
#165Microwave components
#166Method for servicing a duplexer having a radio frequency assembly
#167Cross-coupled dual-stub waveguide filter
#168Duplexer radio frequency assembly
#169Superconductive cavity oscillator
#170Tunable bandpass filter integrated circuit