Referee's wireless horn indicator system

Details Referee's wireless horn indicator system Referee's wireless horn indicator system

2007-05-15

2007-05-15

Tweel, Jr., John (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular system function

C368S010000

Reexamination Certificate

active

11033194

ABSTRACT:
Referee's wireless horn indicator system for aiding a referee in accurately officiating in a sports event. The system includes a controller and a sensory receiver. The controller includes the official time clock for the sports event, a control circuit coupled to the official time clock, and a radio transmitter activated by the control circuit for sending a radio signal to the sensory receiver. The sensory receiver is worn by the referee, for instance on the wrist, and includes a radio receiver and a sensory stimulating device such as a vibrator, both battery powered. Upon the official time clock reaching zero, a signal is sent by the transmitter to the radio receiver which then activates the sensory stimulating device to impart a tactual signal to the referee, thereby apprizing him of the expiration of the time period.

REFERENCES:
patent: 3969886 (1976-07-01), Yoda
patent: 4526479 (1985-07-01), Harris
patent: 5027102 (1991-06-01), Sweeny
patent: 5293354 (1994-03-01), Costabile
patent: 6369697 (2002-04-01), Poole
patent: 6603711 (2003-08-01), Calace
patent: 7031225 (2006-04-01), McDonald

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