H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/65
H04R 17/00 (2006.01) G10K 9/122 (2006.01)
Patent
CA 1109955
ABSTRACT OF THE DISCLOSURE The resonant frequency of a conventional piezoelectric transducer having predetermined dimensions and a fundamental nodal diameter is re- duced while maintaining the overall predetermined diameter and fundamental nodal diameter of the transducer. A method of reducing the resonant frequency of a conventional piezoelectric transducer includes the step of radially slotting the substrate of the transducer.
309682
Shoot Lyle E.
Sweany Louis P.
Mallory (p. R.) & Co. Inc.
Swabey Ogilvy Renault
LandOfFree
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