US 7,321,292 B2
Racing control system
Bruce Silver, 112 Country Club Dr., Linwood, N.J. 08221 (US)
Filed on Oct. 27, 2005, as Appl. No. 11/260,743.
Claims priority of provisional application 60/622364, filed on Oct. 27, 2004.
Prior Publication US 2006/0145891 A1, Jul. 06, 2006
Int. Cl. G08B 23/00 (2006.01)
U.S. Cl. 340—323R  [340/902; 340/904; 340/988; 340/870.01; 340/439; 340/539.1; 340/539.16] 17 Claims
OG exemplary drawing
 
1. A racing caution-condition control system comprises:
a master control station having a master activation input and a transmitter, the master activation input being coupled to the transmitter and selectively causing the transmitter to send a caution-condition signal output;
a first caution-condition warning system that has a first receiver in communication with the transmitter, the first caution-condition warning system being activated when the first receiver receives the caution-condition signal from the transmitter; and
a second caution-condition warning system, different from the first caution-condition warning system, that has a second receiver in communication with the transmitter, the second caution-condition warning system being activated when the second receiver receives the caution-condition signal from the transmitter.