220825 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
Sub-classes:HIGH-POWER ACOUSTIC WAVE FILTER PACKAGE CAPABLE OF SELF-HEAT DISSIPATION
#2PIN RECONFIGURABLE BAW FILTERS
#3BULK ACOUSTIC WAVE FILTERS FOR IMPROVING NOISE FACTOR
#4Filter device comprising two connected filter circuits
#5Frequency independence for synthesis within programmable non-reciprocal network circuit
#6Modular circuit board multi-tap
#7Frequency independence for synthesis within programmable non-reciprocal network circuit
#8Duplexer module
#9High-frequency module and communication device
#10Acoustic wave power device
#11BAND REJECT FILTERS
#12Combiner comprising acoustic transducers
#13Band reject filters
#14Band reject filters
#15RF system having a one-dimensional nanostructure multi-port coupler
#16Band reject filters
#17Receiver for an integrated heterodyne communication system including BAW-type resonators