G - Physics – 08 – C
Patent
G - Physics
08
C
354/25, 340/135.
G08C 21/00 (2006.01) G06F 3/033 (2006.01)
Patent
CA 1087733
ABSTRACT OF THE DISCLOSURE A self-correcting position coordinate determination device is provide employing ?????? digitizations for each of a respective coordinate and a rationmetric proportionality calculation for calculating a corrected coordinate digitization value is each measured coordinate. The device particularly provides accuracy and linearity improvement where time scale digitization is employed. Where relatively large sized data surfaces and thus lengthy transmission media are involved, the uniformity, electrical and mechanical characteristics of the transmission media very. This device includes a data surface wherein a first datum is generated to represent a position with respect to a first reference point on the data surface, along a linear path. A second datum is generated to represent the same position with respect to a second reference point on the data surface, along the same linear path. These first and second datums are manipulated to produce an additional datum indicative of the true location of the position.
262658
Domyan Stephen L.
Snyder Edward J.
Fetherstonhaugh & Co.
Summagraphics Corporation
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