220769 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters Coupling means therefor
Sub-classes:COMPOSITE FILTER AND COMMUNICATION DEVICE
#2ACOUSTIC WAVE DEVICE
#3ION IRRADIATION OF MICROELECTROMECHANICAL RESONATORS
#4FILTER INCLUDING ACOUSTIC WAVE RESONATOR IN PARALLEL WITH CIRCUIT ELEMENT
#5BULK-ACOUSTIC WAVE RESONATOR
#6Filter including acoustic wave resonator in parallel with circuit element
#7Multiplexer
#8Acoustically coupled resonator notch and bandpass filters
#9System and method for a radio frequency filter
#10System and method for a radio frequency filter
#11System and method for a radio frequency filter
#12Acoustically coupled resonator notch and bandpass filters
#13Acoustically coupled resonator notch and bandpass filters
#14System and method for a radio frequency filter
#15Tunable resonator element, filter circuit and method
#16System and method for a radio frequency filter
#17Tunable resonator element, filter circuit and method
#18Piezoelectric thin film resonator, filter, and duplexer
#19Switchable filters and design structures
#20Switchable filters and design structures
#21Method of manufacturing switchable filters
#22Wireless communication circuitry