Electroacoustic sandwich transducer with bonded joints

Details Electroacoustic sandwich transducer with bonded joints Electroacoustic sandwich transducer with bonded joints

H - Electricity

04

R

349/67.1

H04R 17/00 (2006.01) B06B 1/06 (2006.01)

Patent

CA 1103344

ABSTRACT OF THE DISCLOSURE Disclosed is an electroacoustic sandwich transducer which comprises two metallic blocks with at least one layer of piezo-electric material sand- wiched between them. The faces of the said layer are metal sprayed to conduct a signal voltage. One metallic block has at least one projecting element reaching to the opposite metallic block and connected with the opposite block by means of a binding substance. Stresses are generated between the layers of piezo-electric material and the metallic blocks, these stresses originating in the piezo-ceramic material. The contact faces between the metallic blocks can be either slanted or perpendicular relative to the layers of piezo-electric material. The projecting elements can be made either as dowels or as collars. Oscillations in the transducer are excited by a voltage applied to terminals connected to the layer and the blocks.

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