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. 18, 2012
Filed:
Jul. 26, 2010
Russell Alan Fretenburg, North Vancouver, CA;
Steven Scott Kazemir, Port Coquitlam, CA;
Henry Hon-you Leung, Coquitlam, CA;
Derek John Pyner, Delta, CA;
Charles Elmer Mcneill, Iv, Arlington, VA (US);
David W. A. Taylor, Jr., Greensboro, NC (US);
Russell Alan Fretenburg, North Vancouver, CA;
Steven Scott Kazemir, Port Coquitlam, CA;
Henry Hon-You Leung, Coquitlam, CA;
Derek John Pyner, Delta, CA;
Charles Elmer McNeill, IV, Arlington, VA (US);
David W. A. Taylor, Jr., Greensboro, NC (US);
Ensco, Inc., Falls Church, VA (US);
Abstract
A locating system, includes at least one initiator configured to operate at a first clock frequency, and to transmit a measurement signal including a first preamble; and at least one transponder configured to operate at a second clock frequency, to receive the measurement signal, and to transmit a response signal to the initiator, the response signal including a second preamble. The initiator is further configured to calculate, based on the response signal, a distance between the initiator and the transponder for determining a location of the transponder.