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. 09, 2012
Filed:
Dec. 22, 2009
Riad Ghabra, Dearborn Heights, MI (US);
Nikolay Yakovenko, West Bloomfield, MI (US);
Hilton (Jerry) W. Girard, Iii, West Bloomfield, MI (US);
Riad Ghabra, Dearborn Heights, MI (US);
Nikolay Yakovenko, West Bloomfield, MI (US);
Hilton (Jerry) W. Girard, III, West Bloomfield, MI (US);
Lear Corporation, Southfield, MI (US);
Abstract
A passive entry system and method for determining the location of a remote transmitter positioned near a vehicle. The system and method may include an irregularly shaped authorization zone. The authorization zone may be formed using as least three LF antennas. Alternatively, at least two antennas may be used to form at least one elliptically shaped authorization zone. A controller may determine the location of the fob when the fob is physically positioned within the authorization zone.