220822 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source; Networks using bulk acoustic wave devices Duplexers
Filter circuit having improved filter characteristic
#302Duplexer
#303Duplexer
#304Single-chip duplexer with isolation shield between transmit and receive filters
#305Acoustic wave filter, communication module, and method for manufacturing the filter
#306FBAR DUPLEXER MODULE AND FABRICATION METHOD THEREOF
#307Duplexer
#308Duplexer
#309Duplexer and electronic device having the same
#310Duplexer
#311Bulk acoustic wave resonator structure, a manufacturing method thereof, and a duplexer using the same
#312Radio frequency filter and radio frequency duplexer including bulk acoustic wave resonators in a ladder and a bridge
#313Acoustic wave device
#314Reactance filter having a steep edge
#315Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked vertically
#316Band reject filters
#317Antenna duplexer with high GPS suppression
#318Duplexer and method for increasing the isolation between two filters
#319Acoustic wave filter device
#320Antenna matching circuit
#321Elastic wave duplexer having a sealing member including two dielectric materials
#322Duplexer with negative phase shifting circuit
#323Method of fabricating a duplexer using an embedded PCB
#324DUPLEXER
#325Elastic wave device and ladder filter device
#326Resonator filter with multiple cross-couplings
#327Duplexer having resonator filters
#328Acoustic wave device
#329Filter, branching filter, communication module, and communication equipment
#330Band reject filters
#331Duplexer, substrate for duplexer, and electronic apparatus
#332Method of manufacturing thin film resonator
#333Filter, duplexer and communication module
#334ANTENNA DUPLEXER, AND RF MODULE AND COMMUNICATION APPARATUS USING THE SAME
#335Filter and antenna duplexer
#336Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexer
#337Acoustic wave filter, duplexer, communication module, and communication apparatus
#338Method of manufacturing a monolithic duplexer
#339Electrical Component
#340MULTI-BAND FILTER MODULE AND METHOD OF FABRICATING THE SAME
#341Filter, branching filter and communication apparatus
#342Filter, duplexer, and communication apparatus
#343Film bulk acoustic resonator, filter, communication module and communication device
#344Resonator device, filter including the same, and duplexer
#345Duplexer
#346Duplexer having specified relationship of the minimum distances between signal pads and specific ground pads
#347Bonded wafer package module
#348Electrical module with specified ground-side connection of filter circuit shunt arms
#349DUPLEXER
#350ACOUSTICALLY COUPLED RESONATORS AND METHOD OF MAKING THE SAME
#351Antenna duplexer, and RF module and communication apparatus using the same
#352Component operating on acoustic waves
#353Antenna duplexer and wireless terminal using the same
#354Filter That Comprises Bulk Acoustic Wave Resonators And That Can Be Operated Symmetrically On Both Ends
#355Filter assembly comprising two bulk wave resonators
#356Piezoelectric thin film resonator, piezoelectric thin film resonator filter and manufacturing method thereof
#357Process for making a FBAR bandpass filter
#358Frequency shunt
#359Band reject filters
#360Film bulk acoustic resonator filter and duplexer
#361Acoustic wave device, filter and duplexer
#362Electronic Device and Package Used for the Same
#363General matching network for acoustic wave filters and acoustic resonators
#364Multi-band filter module and method of fabricating the same
#365Duplexer
#366Duplexer
#367Impedance transformation and filter using bulk acoustic wave technology
#368Balanced filter and duplexer
#369Antenna sharing device and portable telephone
#370Electronic device, method for producing the same, and communication apparatus including the same
#371Duplexer
#372Band pass filter and duplexer having the same
#373Resonator, band-pass filter, and duplexer
#374System on chip structure comprising air cavity for isolating elements, duplexer, and duplexer fabrication method thereof
#375Duplexer
#376Piezoelectric resonator and method for producing the same
#377Composite filter chip
#378BAW duplexer without phase shifter
#379Duplexer having matching circuit
#380Filter and antenna duplexer
#381Duplexer and ladder type filter
#382Antenna duplexer and wireless terminal using the same
#383Resonant circuit, filter, and antenna duplexer
#384Monolithic duplexer and fabrication method thereof
#385Acoustic wave filter and acoustic wave duplexer
#386Acoustically coupled resonators and method of making the same
#387Air-gap type FBAR, and duplexer using the FBAR
#388Bulk acoustic wave resonator and manufacturing method thereof, filter using the same, semiconductor integrated circuit device using the same, and high frequency module using the same
#389FBAR band pass filter, duplexer having the filter and methods for manufacturing the same
#390Duplexer
#391Monolithic duplexer
#392Filter structure and method for the design of a filter
#393Acoustically coupled thin-film resonators having an electrode with a tapered edge
#394Duplexer with filters including film bulk acoustic resonators
#395Duplexer and method of isolating an Rx-band and a Tx-band
#396Antenna duplexer, and RF module and communication apparatus using the same
#397Film bulk acoustic resonator package and method of fabricating same
#398Filter comprising inductor, duplexer using the filter and fabricating methods thereof
#399Branching filter and communication device
#400Coupled BAW resonator based duplexers
#401Electronic component having a connection member connecting a resonator terminal and a mounting substrate electrode
#402RF duplexer
#403FBAR based duplexer device and manufacturing method thereof
#404Branching filter and communication device
#405Duplexer fabricated with monolithic FBAR and isolation part and a method thereof
#406Duplexer using an embedded PCB and method of fabricating the same
#407Electronic component including piezo-electric resonator mounted by face-down bonding with a required die shear strength
#408Duplexer utilizing a compact splitter circuit
#409Compact electronic component including piezo-electric resonator mounted by face-down bonding with improved reliability
#410Single chip-type film bulk acoustic resonator duplexer
#411Demultiplexer and communication device
#412FBAR based duplexer device and manufacturing method thereof
#413FBAR, FBAR based duplexer device and manufacturing method thereof