University of Georgia Research Foundation Inc

John J Astleford

Stanley E Prussia

Yen-Con Hung

Bob Hewlett

A firmness measuring device for non-destructive testing of objects with rough surfaces (such as fruit) is disclosed. The device comprises the following components: a means to generate an impulsive jet of a fluid (such as air) aimed at the surface of the object under test; a laser to generate a beam of coherent light aimed at the area on the surface of the object under test impacted by the fluid jet; a detector to sense the light reflected off of the surface of the object from the laser beam; an analyzer to determine the amount of deformation of the surface caused by the fluid jet based on the input to the detector; and a controller to coordinate the release of the impulsive jet with the analyzer.

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Stone Mountain, GA, United States of America

John J Astleford