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. 01, 1987
Filed:
Nov. 28, 1984
Pierre A Zuber, Baldwin, PA (US);
Westinghouse Electric Corp., Pittsburgh, PA (US);
Abstract
A passenger vehicle is provided for movement along a track having an input speed command including ONE and ZERO information components to control the vehicle speed. A first control apparatus including at least a first microprocessor is responsive to the ONE and ZERO information components for providing first and second speed error signals. A second control apparatus including at least a second microprocessor is responsive to the ONE and ZERO information components for providing third and fourth speed error signals the first control apparatus compares the first, second, third and fourth speed error signals for controlling the vehicle and the second control apparatus compares the first, second, third and fourth speed error signals for controlling the vehicle.