Optics: measuring and testing – By configuration comparison – With photosensitive film or plate
Patent
1994-06-01
1996-10-29
Evans, F. L.
Optics: measuring and testing
By configuration comparison
With photosensitive film or plate
25055924, 356238, 356430, G01B 1110
Patent
active
055701884
ABSTRACT:
A system and method for electronically comparing yarn lengths to assist in grading yarn qualities, in which the yarn diameter or another yarn quality at a number of locations along the total length of the yarn is measured, and representations of the measured qualities are displayed to allow comparison of portions of the yarn.
REFERENCES:
patent: 4764876 (1988-08-01), Whitener, Jr. et al.
patent: 4887155 (1989-12-01), Massen
patent: 4963757 (1990-10-01), Liefde et al.
patent: 4984181 (1991-01-01), Kliman et al.
patent: 5319578 (1994-06-01), Lawson et al.
Bonneau David
Gordon, Jr. Kendall W.
Lawson John B.
Nevel Avishai
Dingman Brian M.
Evans F. L.
Lawson-Hemphill Inc.
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