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:
Dec. 17, 2019
Filed:
Mar. 14, 2017
Siemens Industry, Inc., Alpharetta, GA (US);
Holger Schmidt, Saint Johns, FL (US);
Brian Joseph Hogan, Temecula, CA (US);
SIEMENS MOBILITY, INC., New York, NY (US);
Abstract
A coded track circuit of a signaling control equipment to be located at a wayside location of a railway track is provided. The coded track circuit comprises a first track circuit card coupled to rails of the railway track to detect an absence of a train on the railway track, inform signallers and control relevant signals via track codes. The coded track circuit further comprises a second track circuit card coupled to rails of the railway track, the second track circuit card is inactive but ready to provide a warm-standby or a hot-standby such that the second track circuit card to take over control from the first track circuit card should the first track circuit card fails.