Patent ID: 6369697
Filing Date: 2002-04-09
Classification: G07C

Abstract:
A timing system for a sports game or other timed spectator event that has stoppage time, which system comprises:at least one mobile device having a manually operated switch means and a transmitter means responsive to the switch means and adapted to transmit a wireless electro-magnetic radiation signal from the field of play; at least one receiver means located outside of the field of play, but not surrounding the field of play, to receive said signal and emit an actuation signal in response thereto; a timer associated with the receiver means and adapted alternately to start and stop timing in response to each actuation signal from said at least one receiver means; time display means outside the field of play to display the output from the timer, the at least one mobile device having its own timer display means adapted to respond to operation of the switch means to provide a simultaneous timing display on the at least one mobile device; and an additional device located outside the field of play under control of an official, including a receiver adapted to receive signals from the at least one mobile device in the field of play, a switch, and a transmitter means responsive thereto and adapted to transmit signals to the at least one mobile device.