213982 ⎘
Auxiliary devices; Frequency-selective devices, e.g. filters; Filters for transverse electromagnetic waves; Comb or interdigital filters; Cascaded coaxial cavities Comb filters or interdigital filters with metallised resonator holes in a dielectric block
FILTER
#2Dielectric filter
#3FILTER
#4Antenna Filter Unit and Base Station having the Same
#5CERAMIC DIELECTRIC BAND-PASS FILTER
#6CERAMIC WAVEGUIDE FILTER
#7RF FILTER ASSEMBLY FOR ANTENNA
#8Ceramic filter using stepped impedance resonators having an inner cavity with a decreasing inner diameter provided by a plurality of steps
#9Dielectric filter and communication device
#10DIELECTRIC CERAMIC FILTER
#11Dielectric filter and communication device
#12MULTI-POLE RF FILTERS
#13Multilayered filter device
#14Dielectric filter and communications device
#15Dielectric filter
#16Dielectric filter and communications device
#17Filter and transceiver comprising dielectric body resonators having frequency adjusting holes and a negative coupling hole
#18Ceramic filter using stepped impedance resonators having an inner cavity with a decreasing inner diameter provided by a plurality of tapers
#19Multi-band RF monoblock filter configured to have an antenna input/output located for separating first and second filters from a third filter
#20Apparatus for radio frequency signals and method of manufacturing such apparatus
#21Multilayered filter device
#22Tunable filter with minimum variations in absolute bandwidth and insertion loss using a single tuning element
#23Dielectric resonator having a sealed demetallized notch formed therein, for forming a dielectric filter and a base station therefrom
#24Ceramic filter with differential conductivity
#25Dielectric resonator and dielectric filter
#26Tuning of Filters
#27Bandpass filter having resonant holes formed in a block, where the resonant holes include hollowed-out sub regions
#28Multiplexer, radio frequency front-end circuit, and communication device
#29Electronic device including radio frequency (RF) filter module with stacked coaxial resonators and related methods
#30Multi-band RF monoblock filter having first and third filters in a co-linear relationship and first and second filters in a side-by-side relationship
#31Dielectric resonator and filter comprising a body with a resonant hole surrounded by an encirclement wall having a ring shaped exposed dielectric area
#32Ceramic filters using stepped impedance resonators having an inner cavity with at least one step and at least one taper
#33Filter and communication device comprising dielectric resonators having frequency adjusting holes and negative coupling holes of greater depth
#34Filter structure improvement
#35Systems and methods of designing, tuning and producing ceramic filters
#36Tuning and measurement fixtures for ceramic filters
#37Ceramic filter with differential conductivity
#38Ceramic block filter having through holes of specific shapes
#39Ceramic filter with window coupling
#40Hermetic sealing of ceramic filters
#41Ceramic block RF filter having a first plurality of through-hole resonators and a second plurality of through-holes for blocking RF signal coupling
#42Method of fabricating a dielectric resonator having a sealed demetallized notch formed therein and a dielectric filter formed therefrom
#43Tuning of filters
#44Multi-band RF monoblock filter having first and third filters in a co-linear relationship and first and second filters in a side-by-side relationship
#45Filter and transceiver comprising dielectric body resonators having frequency adjusting holes and negative coupling holes
#46Ceramic filter using stepped impedance resonators having an inner cavity with at least one step and taper
#47Dielectric resonator/filter including a metallized dielectric body having a blind hole therein with a demetallized notch that is sealed by a metallized sealing part
#48Filtering device and method for adjusting filter characteristic
#49Dielectric filter, duplexer, and communication device
#50Filter assembly and a method of filtering
#51Tunable band-pass filter
#52Bracket for RF monoblock filter and filter-PCB assembly incorporating the same
#53Method of applying patterned metallization to block filter resonators
#54Duplex filter with recessed top pattern and cavity
#55Method of applying patterned metallization to block filter resonators
#56RF monoblock filter with a dielectric core and with a second filter disposed in a side surface of the dielectric core
#57RF monoblock filter with recessed top pattern and cavity providing improved attenuation
#58Coaxial resonator and dielectric filter formed from a dielectric block with at least one inner conductor surrounded by a non-conductive recess
#59Band-Elimination Filter
#60Input/output system and devices for use with superconducting devices
#61Resonant elements designed vertically in a multilayer board and filters based on these elements
#62Filter based on a combined via structure
#63On-die micro-transformer structures with magnetic materials
#64Resonator and filter
#65Monoblock dielectric multiplexer capable of processing multi-band signals
#66Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling
#67Duplex filter comprised of dielectric cores having at least one wall extending above a top surface thereof for isolating through hole resonators
#68RF monoblock filter having an outwardly extending wall for mounting a lid filter thereon
#69Rf filter/resonator with protruding tabs
#70FILTER FOR ELECTRONIC SIGNALS AND METHOD FOR MANUFACTURING IT
#71Dielectric filter having a dielectric block with input/output electrodes of a bent shape at corner portions of the block
#72Filter with multiple in-line shunt zeros
#73Dielectric filter having tapered input/output electrodes
#74RF monoblock filter with outwardly extending wall to define a cavity surrounding a top surface of the filter
#75Dielectric filter for base station communication equipment
#76Dielectric device
#77Delay filter module
#78Electrical filter having a dielectric substrate with wide and narrow regions for supporting capacitors and conductive windings
#79Monoblock RF resonator/filter having a conductive transmission line connecting regions of conductive material
#80Built-in cross-coupled dielectric filter
#81Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling
#82Antenna interface unit
#83Low-rise duplexer
#84Method of applying patterned metallization to block filter resonators
#85Dielectric filter, dielectric duplexer, and communication apparatus
#86Dielectric device
#87Filter with multiple shunt zeros
#88Alumina-based ceramic material and production method thereof
#89Dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
#90Composite dielectric material, composite dielectric substrate, prepreg, coated metal foil, molded sheet, composite magnetic substrate, substrate, double side metal foil-clad substrate, flame retardant substrate, polyvinylbenzyl ether resin composition, thermosetting polyvinylbenzyl ether resin composition, and method for preparing thermosetting polyvinylbenzyl ether resin composition
#91Dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus incorporating the same
#92Composite dielectric material, composite dielectric substrate, prepreg, coated metal foil, molded sheet, composite magnetic substrate, substrate, double side metal foil-clad substrate, flame retardant substrate, polyvinylbenzyl ether resin composition, and method for preparing thermosetting polyvinylbenzyl ether resin composition
#93Composite dielectric material, composite dielectric substrate, prepreg, coated metal foil, molded sheet, composite magnetic substrate, substrate, double side metal foil-clad substrate, flame retardant substrate, polyvinylbenzyl ether resin composition, thermosetting polyvinylbenzyl ether resin composition, and method for preparing thermosetting polyvinylbenzyl ether resin composition
#94Tunable planar capacitor
#95Electronically tunable block filter
#96Tunable matching circuit
#97Tunable bandpass filter and method thereof
#98System and method for impedance matching an antenna to sub-bands in a communication band
#99Hybrid distinct wavelength resonant band-pass filter with capacitive coupling metal pattern
#100Miniature tunable filter