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:
Sep. 11, 2012
Filed:
Sep. 09, 2002
Michael Paul Wolf, Highland, MD (US);
David L. Krebiehl, St. Joseph, MI (US);
Forrest S. Seitz, Beaverton, OR (US);
Stanley K. Sasaki, Lake Oswego, OR (US);
Scott B. Long, Portland, OR (US);
Michael Paul Wolf, Highland, MD (US);
David L. Krebiehl, St. Joseph, MI (US);
Forrest S. Seitz, Beaverton, OR (US);
Stanley K. Sasaki, Lake Oswego, OR (US);
Scott B. Long, Portland, OR (US);
Mike's Train House, Inc., Columbia, MD (US);
Abstract
A model train system including a track interface unit for bi-directional communication with one or more trains; and a communication circuit installed in the one or more trains that communicates with the track interface unit in a bi-directional manner, the communication circuit communicating to the track interface unit information regarding a current speed of said one or more trains, the communication circuit being configured so as to be capable of receiving an integrally formed command/power signal and processing the command signal independently of the power signal.