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:
Oct. 01, 2013
Filed:
Sep. 04, 2009
David T. Proefke, Madison Heights, MI (US);
Clark E. Mccall, Ann Arbor, MI (US);
William A. Biondo, Beverly Hills, MI (US);
Robert V. Lust, Rochester, MI (US);
David T. Proefke, Madison Heights, MI (US);
Clark E. McCall, Ann Arbor, MI (US);
William A. Biondo, Beverly Hills, MI (US);
Robert V. Lust, Rochester, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method of indicating a proximity value representative of the distance between a key fob () and a vehicle () includes transmitting () at least one locate signal from the key fob () to the vehicle (), transmitting () at least one response signal from the vehicle () to the key fob () in response to the at least one locate signal, performing () RSSI measurements of either the at least one locate signal or the at least one response signal, and displaying () the proximity value on the key fob () based on the RSSI measurements.