220712 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Driving means, e.g. electrodes, coils for networks using surface acoustic waves; Transducers of particular shape or position Arrow type transducers
Elastic wave resonator including a constant pitch region with a tapering width
#2Elastic wave device including multilayer metal film
#3Acoustic wave element, branching filter and communication module
#4Ladder filter device and elastic wave resonator
#5Ladder acoustic wave filter device and branching filter
#6Elastic wave device having a capacitive electrode on the piezoelectric substrate
#7Elastic wave resonator and ladder filter
#8Elastic wave device and duplexer
#9Elastic wave resonator, ladder filter and duplexer
#10BOUNDARY ACOUSTIC WAVE FILTER AND MULTIPLEXER HAVING THE SAME
#11Surface acoustic wave device and duplexer
#12Surface acoustic wave resonator and ladder-type filter