Measuring method and apparatus

Details Measuring method and apparatus Measuring method and apparatus

1992-02-28

1993-06-15

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

364565, G01S 1500

Patent

active

052205363

ABSTRACT:
A method and apparatus for measuring the dimensions and determining the three-dimensional, spatial volume of objects. In the preferred embodiment, a light curtain and ultrasonic sensing are employed in combination with the travel time of linearly moving objects to ascertain object dimensions. The preferred embodiment is particularly suitable for measurement of moving, rectangular objects of random orientation with respect to the direction of travel.

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