Communications – electrical: acoustic wave systems and devices – Acoustic image conversion – With memory means
Reexamination Certificate
2009-06-16
2011-12-06
Tarcza, Thomas (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Acoustic image conversion
With memory means
C367S138000, C367S137000, C367S117000
Reexamination Certificate
active
08072839
ABSTRACT:
An acoustic camera includes an acoustic transmitter disposed at one longitudinal end of a housing. The transmitter has a convex radiating surface. A diameter of the transmitter is about four times a wavelength of acoustic energy emitted by the transmitter. A plurality of acoustic receivers is disposed at spaced locations in a pattern extending laterally from the housing. A signal processor is in signal communication with the acoustic receivers. The signal processor is configured to cause the acoustic receivers to be sensitive along steered beams. The signal processor is configured to cause an end of the steered beams to move through a selected pattern within a beam width of the acoustic energy emitted by the acoustic transmitter. The signal processor is configured to operate a visual display device to generate a visual representation corresponding to acoustic energy detected by the acoustic receivers. A visual display device is in signal communication with the signal processor.
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T. Scott Brandes, Robert H. Benson, “Sound source imaging of low-flying airborne targets with an acoustic camera array” Applied Acoustics, vol. 68, Issue 7, Jul. 2007, pp. 752-765.
Guigne Jacques Y.
Pace Nicholas G.
Stacey James A.
Fagin Richard A.
Hulka James
Intelligent Sciences, Ltd.
Tarcza Thomas
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