220710 ⎘
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; Shifted fingers transducers Stepped-fan shaped transducers
Electro-acoustic transducer and electro-acoustic component comprising an electro-acoustic transducer
#2Saw filter with improved stop band suppression
#3Elastic wave filter including a grating reflector between tapered input and output IDT electrodes
#4Elastic surface wave device comprising dummy electrodes
#5Surface wave devices with low passband ripple