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:
Jun. 25, 1991
Filed:
Jul. 26, 1989
Applicant:
Inventor:
Robert D Milnes, Pittsburgh, PA (US);
Assignee:
AEG Westinghouse Transportation Systems, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61L / ; B61L / ;
U.S. Cl.
CPC ...
2461 / ; 246 / ; 246-5 ; 246 / ;
Abstract
A central control system includes a method for monitoring a plurality of trains throughout a transit system having computer for maintaining a train location table tracking the location of the trains throughout the system and for detecting and recording false train occupancy indications. The system is designed to handle a large number of false occupancy designations and to associate each train with a physical track circuit location.