Confocal acoustic force generator

Details Confocal acoustic force generator Confocal acoustic force generator

1997-12-15

1999-11-23

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

310320, 310334, H04R 1700

Patent

active

059912391

ABSTRACT:
An acoustic transducer has two separate elements which are driven by separate signal generators to produce two acoustic beams that focus at the same target location. The two acoustic beams interact at the target location to produce a beat force. The target location is moved to scan a subject by mechanically moving the acoustic transducer, or the two intersecting acoustic beams can be steered electronically to move the target location.

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