H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/63
H03H 9/46 (2006.01) H03H 9/50 (2006.01)
Patent
CA 1139382
ABSTRACT An electromechanical filter having mechanical resonators arranged parallel to one another in the longitudinal direction in a same plane. Longitudinal mode couplers, which connect between said mechanical resonators, are selected having a length falling between the first and second and the second and third bending mode resonance of the couplers. The couplers can therefore be realized from a single coupling wire and an electromechanical filter can be obtained with less attenuation deviation.
321548
Gounji Takashi
Kasai Yoshihiko
Katsube Yoshio
Fetherstonhaugh & Co.
Fujitsu Limited
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