Patent ID: 6181236
Filing Date: 2001-01-30
Classification: G08B,G10K

Abstract:
A device for producing a plurality of official signals at a sporting event, wherein one of said official signals is an audio signal and at least one other official signal is a visual signal, comprising a conventional whistle that is responsive to the influx of air to produce said audio signal and the following:a) a transmitter operatively associated with said whistle and responsive to an electrical impulse for transmitting a wireless output signal;b) a sensor responsive to said whistle for generating said electrical impulse to said transmitter; andc) a receiver responsive to said wireless signal for generating a visual signal to spectators at a sporting event and to television viewers;wherein said receiver controls generation of said visual signal located at the sporting event, and as well automatically controls generation of an said visual signal that is displayed on a televisions viewer's television screen, thereby indicating when the whistle is blown.