Optics: measuring and testing – By shade or color – Trichromatic examination
Patent
1993-10-12
1996-07-16
McGraw, Vincent P.
Optics: measuring and testing
By shade or color
Trichromatic examination
250226, G01N 2125
Patent
active
055372120
ABSTRACT:
A light guide receives light reflected from an object, such as a moving ball in a game, and directs the light to a charge coupled device. Light sensitive pixels of the charge coupled device detect the intensities of red, green, and blue wavelengths and provides intensity levels to an averager which averages the intensities. Ratios between the red, green, and blue digital signal intensities are compared to determine the predominant color in the guided light and hence the predominant color of the object. Multiple light guides can be used to sense the color of objects, where each light guide can direct light to a different subset of pixels on the charge coupled device.
REFERENCES:
patent: 2700546 (1955-01-01), Glassen, Jr.
patent: 2977429 (1961-03-01), Zimmerman
patent: 3451680 (1969-06-01), Koleske
patent: 4140220 (1979-02-01), Hazeltine et al.
patent: 4533141 (1985-08-01), Foley et al.
patent: 4558357 (1985-12-01), Nakagawa et al.
patent: 4917500 (1990-04-01), Lugos
patent: 4927160 (1990-05-01), Nichol et al.
patent: 4956775 (1990-09-01), Klamer et al.
patent: 5021645 (1991-06-01), Satula et al.
patent: 5049985 (1991-09-01), Outa
patent: 5299275 (1994-03-01), Jackson et al.
Goodman John J.
Kelly Bryan M.
Hantis K. P.
Lazer-Tron Corporation
McGraw Vincent P.
LandOfFree
Method and apparatus for sensing the color of an object does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for sensing the color of an object, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for sensing the color of an object will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1788894