System for instantaneously displaying the ranking of a competitor in a race with sequential starts
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United States of America Patent
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Nov 22, 1994
Grant Date -
N/A
app pub date -
Nov 23, 1992
filing date -
Apr 2, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The display system includes a device for memorizing the time when each competitor (C.sub.i) in a sequential start race passes a detector (D.sub.k); a device (12) for classifying competitors (C.sub.j) as they pass each detector (D.sub.k) to establish for each detector (D.sub.k) a list of competitors according to their time; and a processing device (20) which operates when a competitor (C.sub.i) passes a detector (D.sub.k): to determine the instantaneous ranking of competitor (C.sub.i) reaching the detector (D.sub.k) by comparing his time of passage with the times of passage of a plurality of previously classified competitors (C.sub.j), to calculate the time differences R and A between the time of passage of competitor (C.sub.i) and the times of passage of competitors (C.sub.j) of immediately adjacent rankings, to convert each time difference R and A into a distance using a conversion function f, and to display, in a predetermined display area (28), a symbol (30) representing competitor (C.sub.i) and symbols (32, 34) representing each of the competitors (C.sub.j) of immediately adjacent rankings, while spacing their symbols (32, 34) apart as a function of the calculated distances.
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