Acoustic wave transducer device

Details Acoustic wave transducer device Acoustic wave transducer device

H - Electricity

04

R

H04R 17/00 (2006.01) H04R 17/02 (2006.01) H04R 19/01 (2006.01)

Patent

CA 2271787

An acoustic wave transceiver device comprising a sheet of material which responds electrically to acoustic waves and a signal processor which processes the voltage signal produced by the sheet is disclosed. The sheet has an irregular shape which depends on a width function. The sheet produces a voltage signal representing the convolution of the acoustic signal information in a received wave and the width function. The signal processor deconvolves the voltage signal using said width function which is stored in its memory. A method of selecting the width function (and therefor the shape) based on the Fourier transform of a mathematical relation with orthogonal properties is also disclosed.

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