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:
May. 23, 2006
Filed:
Sep. 16, 2003
Mitchell L. Watson, Clackamas, OR (US);
Mitchell L. Watson, Clackamas, OR (US);
WCR Company, Portland, OR (US);
Abstract
A positioning system includes a command signal generator, a subject module, a plurality of sensor modules, and a plurality of counters. A comparator compares the plurality of increments and generate a plurality of counter differential values; and a correlator correlates the plurality of counter differential values to determine a subject location in the defined space. A method for locating a subject includes transmitting a signal to a subject unit; transmitting a signal to slave units located within the defined three-dimensional space, such that each slave unit starts a 1 GHz counter; transmitting a subject signal from the subject unit; stopping said counters; determining net counter values; comparing the net counter values to determine counter difference values; and correlating said counter difference values to determine a subject unit location in the three-dimensional space.