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. 27, 2005
Filed:
May. 14, 2004
Applicants:
Anthony W. Lumbis, Watertown, NY (US);
Dale R. Stevens, Adams Center, NY (US);
John N. Versic, Watertown, NY (US);
Inventors:
Anthony W. Lumbis, Watertown, NY (US);
Dale R. Stevens, Adams Center, NY (US);
John N. Versic, Watertown, NY (US);
Assignee:
New York Air Brake Corporation, Watertown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B001/01 ; B61L003/00 ;
U.S. Cl.
CPC ...
Abstract
Trainline controller including testing of signal quality on a trainline network by commanding each node to transmitter calibration signal. A signal detector is connected to the trainline at a common junction with a head end termination circuit. A stuck-on transmitter is determined by a transmission current drawn by the transceiver is on for a present amount of time.