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. 28, 2004
Filed:
Jan. 16, 2003
Applicant:
Inventor:
Timothy Charles Heywood, Honeoye Falls, NY (US);
Assignee:
Alstom Signaling, Inc., Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61L 2/300 ;
U.S. Cl.
CPC ...
B61L 2/300 ;
Abstract
A railroad signaling system operative for controlling railroad traffic to control signals, said system comprising: a control point; a control block having a plurality of common nodes and a node which serves as a control point; and a common medium which is capable of transmitting the control signals and separate independent messages while precluding interference between said control signals and said independent messages.