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:
Nov. 28, 1995
Filed:
Mar. 29, 1994
Applicant:
Inventor:
Malcolm Reeves, Chippenham, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61L / ;
U.S. Cl.
CPC ...
2461 / ; 246 / ; 246 / ;
Abstract
This invention relates to railway track circuits. An active track circuit termination unit (4) is connected to the rails and, via a transmitter unit (4a), transmits signals into the rails to terminate track circuits (A,B). The transmitter unit also transmit data signals, for example track circuit signals, into the track circuits.