Ultrasonic apparatus for characterizing wooden members

Details Ultrasonic apparatus for characterizing wooden members Ultrasonic apparatus for characterizing wooden members

1998-09-11

2000-02-29

Williams, Hezron

Measuring and testing

Vibration

By mechanical waves

73587, 73645, G01N 2904

Patent

active

060295228

ABSTRACT:
Ultrasonic techniques are applied to the measurement of wooden members to identify localized anomalies internal to the wooden members substantially smaller than the full width of the ultrasonic beam. Multiple spatially displaced measurements allow generation of comprehensive maps of the wooden members to aid in computer cutting and grading of the wooden members.

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patent: 4858469 (1989-08-01), Hosgood et al.
patent: 5024091 (1991-06-01), Pellerin et al.
patent: 5237870 (1993-08-01), Fry et al.
patent: 5307679 (1994-05-01), Ross
patent: 5396799 (1995-03-01), Ross et al.
patent: 5760308 (1998-06-01), Beall et al.
patent: 5804728 (1998-09-01), Beall et al.

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