H - Electricity – 04 – N
Patent
H - Electricity
04
N
240/89
H04N 7/18 (2006.01) G06K 7/10 (2006.01) H04N 5/225 (2006.01)
Patent
CA 1287028
ABSTRACT A luminous source for illuminating targets in e.g. machine vision systems, remote manipulator systems used in outer space, etc., producing nearly constant target luminance as the target maintains various distances from the camera. This is achieved by the luminous source having a dual concentric ring shape of predetermined radii, intensity ratios and radial widths.
561918
Charlesworth Arthur M.
Pinkney Harold F.l.
Charlesworth Arthur M.
National Research Council Of Canada
Pascal & Associates
Pinkney Harold F.l.
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