The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2018
Filed:
Dec. 18, 2015
Applicant:
Siemens Industry, Inc., Alpharetta, GA (US);
Inventor:
Randy M. O'Dell, Blue Springs, MO (US);
Assignee:
SIEMENS INDUSTRY, INC., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61L 29/18 (2006.01); B61L 29/28 (2006.01); B61L 29/32 (2006.01);
U.S. Cl.
CPC ...
B61L 29/28 (2013.01); B61L 29/32 (2013.01);
Abstract
A first crossing predictor uses signals from a pair to spaced apart receivers, which may be located on opposite sides of a transmitter, to determine on which side of a crossing an approaching train is located. If the first predictor upstream with respect to the approaching train, the first predictor transmits signals to instruct a downstream adjacent predictor to activate its warning device at a constant warning time (referred to as DAXing).