220794 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters comprising resonators of piezo-electric or electrostrictive material; Multiple crystal filters Electric coupling means therefor
Sub-classes:DEVICE WITH PIEZOELECTRIC FILM ON SEMICONDUCTOR SUBSTRATE
#2TUNABLE COUPLED RESONATOR FILTER STRUCTURE
#3COUPLED RESONATOR FILTER TUNING CIRCUIT
#4BULK ACOUSTIC WAVE FILTER WITH SECOND HARMONIC SUPPRESSION
#5ACOUSTIC WAVE FILTER WITH SECOND HARMONIC EMISSION SUPPRESSION
#6Bridge-type filters
#7PACKAGE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
#8BULK ACOUSTIC WAVE RESONATOR WITH AN INTEGRATED PASSIVE DEVICE FABRICATED USING BUMP PROCESS
#9RF filter with increased bandwidth and filter component
#10Acoustic resonator filter
#11Phase shift structures for acoustic resonators
#12Mode suppression in acoustic resonators
#13Package structure and method for manufacturing the same
#14Bulk acoustic wave resonator and filter including the same
#15Acoustic resonator structure
#16Acoustically coupled resonator notch and bandpass filters
#17System and method for a radio frequency filter
#18System and method for a radio frequency filter
#19System and method for a radio frequency filter
#20Acoustically coupled resonator notch and bandpass filters
#21Acoustically coupled resonator notch and bandpass filters
#22System and method for a radio frequency filter
#23Tunable resonator element, filter circuit and method
#24System and method for a radio frequency filter
#25Tunable resonator element, filter circuit and method
#26Filter and filter module
#27Acoustic filter using acoustic coupling
#28Acoustic filter employing inductive coupling
#29Bulk-acoustic wave filter device
#30Bulk acoustic wave resonator and filter including the same
#31Acoustic wave filter and method for manufacturing the same
#32Filter using BAWRs and L/C elements connected to the BAWRs
#33FILTERING CIRCUIT WITH COUPLED BAW RESONATORS AND HAVING IMPEDANCE MATCHING ADAPTATION
#34Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked vertically
#35Electro-acoustic filter
#36METHOD OF MANUFACTURING VERTICALLY SEPARATED ACOUSTIC FILTERS AND RESONATORS
#37Power amplifier filter for radio-frequency signals
#38Bulk acoustic wave device
#39Apparatus with acoustically coupled BAW resonators and a method for matching impedances
#40Single stack coupled resonators having differential output
#41ACOUSTICALLY COUPLED RESONATORS HAVING RESONANT TRANSMISSION MINIMA
#42HYBRID ACOUSTIC RESONATOR-BASED FILTERS
#43Bulk acoustic wave device with coupled resonators
#44Bulk acoustic wave (BAW) filter having reduced second harmonic generation and method of reducing second harmonic generation in a BAW filter
#45Electromagnetic composite metamaterial
#46Switchable filter with resonators
#47Piezoelectric component and method for producing it
#48Dual path acoustic data coupling system and method
#49Acoustic data coupling system and method
#50Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators
#51Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters
#52Suspended device and method of making
#53Film bulk acoustic wave resonator with differential topology
#54Method of manufacturing vertically separated acoustic filters and resonators
#55Vertically separated acoustic filters and resonators
#56Acoustically coupled thin-film resonators having an electrode with a tapered edge
#57Piezoelectric resonator, method for manufacturing the same, piezoelectric filter, and duplexer
#58Vertically separated acoustic filters and resonators
#59Vertically separated acoustic filters and resonators
#60Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter
#61Filter device utilizing stacked resonators and acoustic coupling and branching filter using same