Acoustic tree and wooden member imaging apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 19, 2002
Grant Date -
N/A
app pub date -
Nov 6, 2000
filing date -
Feb 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ultrasonic computed tomography tree or log scanner has a plurality of ultrasonic transceivers carried on a belt (102) sized to encircle a tree (100). The belt includes an apparatus for engaging is tightly around the tree (104). The transceivers are strapped around the tree, and their mutual relative distances are known. Electronic circuitry energizes the transmitters in a known sequence. The signals received at each of the receivers are also collected and analyzed. Computed tomographic techniques analyze the time of arrival of the acoustic pulse that is first to arrive at each receiver. A signal processor generates a two-dimensional image of a slice of the tree (110) at the locus of the belt.
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