Timing apparatus for timing vehicles passing over a line

Details Timing apparatus for timing vehicles passing over a line Timing apparatus for timing vehicles passing over a line

G - Physics

07

C

340/36

G07C 1/22 (2006.01) G01V 15/00 (2006.01) G07C 1/24 (2006.01)

Patent

CA 1338060

An electronic timing apparatus for determining precisely when vehicles pass over a particular line on road, particularly a race track (20), has a series of separate loop antennas (26), arranged in closely ad adjacent relationship one to another across the width of the track. Each vehicle (82, 82) is fitted with a transmitter (28) for transmitting a unique identifying signal which is received by a loop antenna as the vehicle pass over the line. The width (x) of the antenna loops relative to the width of the vehicles is such that only one transmitter (28) can pass over a particular loop at the one time whereby when two or more vehicles cross the line simultaneously, signals from the respective transmitters are received in different antennas. A respective receiver module (27) is connected to each antenna loop and processes the identifying signal which is then fed to a micro-controller (43) which calculates the time at which the particular vehicle crossed the line. A supervisory computer (24) collates and provides a database of timing information.

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