G - Physics – 01 – N
Patent
G - Physics
01
N
350/32, 73/53
G01N 21/89 (2006.01) G01N 21/88 (2006.01) G01N 21/952 (2006.01) G01N 21/95 (2006.01)
Patent
CA 2001666
A sample inspection arrangement incorporates a sample of natural polyethylene with an included defect, or flaw, a light source containing near infrared wavelengths, and a video camera. Natural polyethylene has relatively high spectral transmissivity for wavelengths in the band of near infrared wavelengths. The video camera collects data from a beam of the near infrared light which either reflects from or is transmitted directly through a portion of the natural polyethylene sample. Data is collected from both defect free portions of the polyethylene sample and portions of polyethylene sample including at least one defect. A visual image of the polyethylene sample and included defect is produced on either a video monitor, a paper print out, or a photograph. The method for inspecting a sample of cable or a continuously moving section of cable also is described.
Ortiz Marcos German
Stix Marsha Spalding
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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