G - Physics – 01 – S
Patent
G - Physics
01
S
349/23, 349/33
G01S 15/00 (2006.01)
Patent
CA 1154859
ABSTRACT OF THE DISCLOSURE IMPROVEMENTS IN ULTRASONIC EXAMINATION AND IMAGING A ultrasonic imaging device comprises transducers distributed along a line and operable at a frequency f. A generator delivers electrical pulses to time delay means which provide, in response to each electrical pulse, a plurality of low level pulses delayed by increased time delays in a number lower than the number of transducers. The distribution of the time delays between the transducers is stored in memory means and corresponds to focusing at a point located at a predetermined distance from the line. A plurality of amplifiers are each associated with an individual one of the transducers and deliver an energizing pulse to the associated transducer in response to a particular one of the low level pulses appearing on an associated channel of a bus line which is selected by the memory.
367927
Agence Nationale de Valorisation de La Recherche (anvar)
Goudreau Gage Dubuc
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