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:
Aug. 01, 2023
Filed:
Mar. 29, 2017
Siemens Mobility, Inc., New York, NY (US);
Brian Harp, New Albany, IN (US);
Holger Schmidt, Saint Johns, FL (US);
Siemens Mobility, Inc., New York, NY (US);
Abstract
A railroad crossing control system () includes a constant warning time device () with a control unit () configured to produce multiple signals, and a wheel sensing system () comprising at least one sensor () connected to a rail () of a railroad track () at a predetermined position (P), wherein the wheel sensing system () detects a presence of railroad vehicle travelling on the railroad track () such that the at least one sensor () detects wheels of the railroad vehicle using electromagnetic fields, wherein the wheel sensing system () provides speed values of the railroad vehicle to the constant warning time device (), and wherein the constant warning time device () produces a constant warning time signal for controlling a railroad crossing warning device in response to receiving the speed values of the wheel sensing system ().