SYSTEM FOR REMOTELY STARTING AND STOPPING A TIME CLOCK IN AN ENVIRONMENT HAVING A PLURALITY OF DISTINCT ACTIVATION SIGNALS

摘要

A sports event time clock control system utilizing remotely activated game clock controls in which the sonic fingerprints including multiple harmonic frequencies of each official's whistle blow is compared with prerecorded sonic fingerprints of the officials for activation of the game clock upon a match in sonic fingerprints and to identify and record the official who blew the whistle along with the strength if the whistle blow. Sonic fingerprints include the strongest harmonic plus selected strong overtone and undertone frequencies.