Acoustic lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 30, 1995
Grant Date -
N/A
app pub date -
Aug 18, 1993
filing date -
Sep 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acoustic lens having a variable focal length for employment in an acoustic propagation medium has two lens walls, namely an entry wall and an exit wall at least one lens wall being deformable for varying the focal length, a lens liquid located between the lens walls, and a pressure compensation system which maintains the static pressure of the lens liquid the same as the static pressure of the acoustic propagation medium adjoining the deformable lens wall.
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Family
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Cited Art Landscape
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