US 11,753,057 B2
Systems and methods for signal lights of traffic gates
Randall Gene Honeck, Maple Grove, MN (US); Jason Lee Honeck, Maple Grove, MN (US); and Haozhi Ding, Plymouth, MN (US)
Assigned to Railway Equipment Company, Inc., Minneapolis, MN (US)
Filed by Railway Equipment Company, Inc., Minneapolis, MN (US)
Filed on Sep. 18, 2020, as Appl. No. 17/25,099.
Claims priority of provisional application 62/903,348, filed on Sep. 20, 2019.
Prior Publication US 2021/0086809 A1, Mar. 25, 2021
Int. Cl. B61L 29/22 (2006.01); B61L 29/30 (2006.01)
CPC B61L 29/22 (2013.01) [B61L 29/30 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A system comprising:
a signal light for regulating traffic;
a controller;
a first communication module configured to electronically communicate with the controller;
two or more position sensors coupled to the signal light, wherein the two or more position sensors comprise at least a first position sensor configured to detect a first position of the signal light according to a first measurable criteria and a second position sensor configured to detect a second position of the signal light according to a second measurable criteria; and
a memory configured to selectively store as a reference, desired position data corresponding to the first position and the second position based upon a signal received by the first communication module;
wherein the controller is configured to electronically communicate with the two or more position sensors to receive an updated data regarding the first position and the second position and is configured to compare the updated data to the desired position data.