Position detection system having groups of unique, partially overlapping sequences of scanner readable markings
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United States of America Patent
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-
Nov 19, 1996
Grant Date -
N/A
app pub date -
Dec 15, 1994
filing date -
Jun 15, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Position detecting system for a body which changes position, comprising a series of markings made at a mutual distance from one another in a scanner unit, which is movable with respect to the series of markings, for scanning the markings, the series of markings or the scanner unit being connected to the body, the markings being made in various groups of a predetermined number of adjacent markings in the series, the markings per group always being made in a sequence such that the sequence belongs to only one group.
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Cited Art Landscape
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