Sound probe with multiple elements comprising a common earth...

Details Sound probe with multiple elements comprising a common earth... Sound probe with multiple elements comprising a common earth...

G - Physics

01

N

G01N 29/24 (2006.01) A61B 8/00 (2006.01) B06B 1/06 (2006.01) G01V 1/18 (2006.01)

Patent

CA 2243291

The invention concerns a sound probe with multiple elements comprising piezoelectric transducers (Tij) and a bonding network connecting the acoustic transducers to an electronic device for controlling and processing the signal. This probe further comprises a continuous earth electrode (P) integrated between the transducers and the sound adapting elements, opposite the piezoelectric transducers, the sound adapting elements being totally decoupled from one another mechanically. The invention is applicable to medical or underwater imaging.

L'invention concerne une sonde acoustique multiéléments comprenant des transducteurs piézoélectriques (Tij) et un réseau d'interconnexions reliant les transducteurs acoustiques à un dispositif électronique de commande et de traitement du signal. Cette sonde comprend en outre une électrode de masse continue (P) intégrée entre les transducteurs et des éléments d'adaptation acoustique, en regard des transducteurs piézoélectriques, les éléments d'adaptation acoustique étant totalement découplés mécaniquement les uns des autres. Application: imagerie médicale ou sous-marine.

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