System for instantaneously displaying the ranking of a competitor in a race with sequential starts
US5367286A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/478
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.