20120082007 | LASER DETECTION AND TIMING METHOD AND APPARATUS - Timing apparatus which may be in the form of a stop watch and which includes a laser beam transmitter for transmitting a laser beam and a detector for detecting a reflected laser beam reflected from objects for example runners intercepting the transmitted beam. The apparatus includes a processor for calculating elapsed time of movement of the runners and their finishing order from the reflected signals received by the detector. | 04-05-2012 |