Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1989-09-01
1991-08-20
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367 96, 364564, G01S 1588
Patent
active
050420151
ABSTRACT:
The present invention comprises a method and apparatus for measuring the linear dimensions and determining the three-dimensional spatial volume of an object. In the preferred embodiment, all three linear dimensions are ascertained using the travel time of reflected ultrasonic waves. Measurements may be taken while the object is in motion, and the object may also be weighed.
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Pihulic Daniel T.
Quantronix, Inc.
Walkowski Joseph A.
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