Acoustics – Sound-modifying means
Reexamination Certificate
2007-01-02
2007-01-02
Martin, Edgardo San (Department: 2837)
Acoustics
Sound-modifying means
C381S338000, C310S323190, C333S145000
Reexamination Certificate
active
10982588
ABSTRACT:
The present invention comprises an ultrasonic resonant rod waveguide-radiator with at least three cylindrical sections, one of which is an entrance section having a planar entrance surface and another of which is an exit section having a planar exit surface, and at least two sections having a variable cross-section. The cylindrical sections and sections of variable cross-section are arranged in alternating fashion and connected to each other acoustically rigidly. The dimensions of the cylindrical sections and the sections of variable cross-section are selected so that the gain of the waveguide-radiator is significantly greater than unity and the strain created by passage of ultrasonic waves through the waveguide-radiator is minimized, increasing the operational life of the waveguide-radiator and maximizing the amount of useful energy transmitted by the waveguide-radiator.
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Friedman Michael L.
Hawkins Wilton A.
Peshkovskiy Sergey L.
Advanced Ultrasonic Solutions, Inc.
Bond Schoeneck & King , PLLC
Martin Edgardo San
Sinnema Robert J.
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