220773 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters; Coupling means therefor Electric coupling means
Sub-classes:ELECTRONIC FILTERING CIRCUIT
#2ACOUSTIC WAVE DEVICE
#3PACKAGE STRUCTURE
#4Bridge-type filters
#5BULK ACOUSTIC WAVE RESONATORS WITH TUNABLE ELECTROMECHANICAL COUPLING
#6Power noise filter and supply modulator including the same
#7Two-stage lateral bulk acoustic wave filter with capacitive coupling of counter electrode
#8Arrangement for a vehicle for detecting an activation action for activating a function on the vehicle
#9Filter device
#10Acoustic resonator filter package
#11Multiplexer, radio-frequency module, and communication device
#12Hybrid filter architecture with integrated passives, acoustic wave resonators and hermetically sealed cavities between two resonator dies
#13High-frequency module
#14Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus
#15ELECTROACOUSTIC FILTER WITH REDUCED PLATE MODES
#16Zero-output coupled resonator filter and related radio frequency filter circuit
#17Ladder filter
#18Acoustically coupled resonator notch and bandpass filters
#19System and method for a radio frequency filter
#20System and method for a radio frequency filter
#21System and method for a radio frequency filter
#22Acoustically coupled resonator notch and bandpass filters
#23Acoustically coupled resonator notch and bandpass filters
#24System and method for a radio frequency filter
#25Tunable resonator element, filter circuit and method
#26System and method for a radio frequency filter
#27Tunable resonator element, filter circuit and method
#28Miniature tunable filters
#29Acoustic filter employing inductive coupling
#30RADIO FREQUENCY MULTIPLEXERS
#31Piezoelectric thin film resonator, filter, and duplexer
#32Electromechanical frequency selective surface
#33High-frequency module
#34High-frequency module
#35High-frequency module having a matching element coupled to a connection unit
#36High-frequency module having a matching element coupled to a connection unit
#37Methods and apparatus for signal filtering
#38Coupled acoustic devices
#39Surface acoustic wave device and method of adjusting LC component of surface acoustic wave device
#40Serially connected first and second coupled resonator filters configured to provide at least one feedback capacitor