Method and apparatus for determining dimensional information concerning an object
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United States of America Patent
Stats
-
Aug 14, 1984
Issued Date -
N/A
app pub date -
Dec 10, 1982
filing date -
Feb 27, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus for determining dimensional information concerning an object. A ring of light is directed onto an object surface such that at least a portion of the ring of light is incident upon the object surface. An image is formed of the incident light reflected from the surface. The width or position of the image is determined. The location of the surface is determined from the image width or position, and dimensional information about the object is determined from the surface location.
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