H - Electricity – 04 – R
Patent
H - Electricity
04
R
356/200, 349/67.
H04R 17/00 (2006.01)
Patent
CA 1315870
ABSTRACT OF THE DISCLOSURE A focusing element for use in a lenseless, focused transducer for producing a focused, ultrasonic beam comprises a body formed of electrical insulating material and a plurality of piezoelectric elements disposed in one end of the body, each element being planar, extending outwardly from a common axis, and being disposed at a predetermined angle to the common axis whereby to define a common focal point onthe axis, and electrical conductors secured to the piezoelectric element for electrically exciting the elements.
596113
Grzymek Alicja H.
Nicholson Patrick S.
Patel Narendra D.
Van Den Andel Jan
Minister Of National Defence
Proulx Eugene E.
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