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:
Sep. 19, 2023
Filed:
Dec. 16, 2021
Applicant:
Nagravision S.a., Cheseaux-sur-Lausanne, CH;
Inventors:
Frédéric Thomas, Cheseaux-sur-Lausanne, CH;
Joël Conus, Cheseaux-sur-Lausanne, CH;
Assignee:
Nagravision Sàrl, Cheseaux-sur-Lausanne, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60R 25/20 (2013.01); B60R 25/04 (2013.01); B60R 25/24 (2013.01); G07C 9/00 (2020.01);
U.S. Cl.
CPC ...
B60R 25/2072 (2013.01); B60R 25/04 (2013.01); B60R 25/24 (2013.01); G07C 9/00309 (2013.01); B60R 2325/101 (2013.01); G07C 2009/00325 (2013.01); G07C 2009/00507 (2013.01); G07C 2009/00555 (2013.01); G07C 2009/00769 (2013.01); G07C 2209/63 (2013.01);
Abstract
Passive entry systems, such as passive entry-passive start vehicle systems, using short-range wireless communication signals to determine a distance between nomadic devices and unlockable devices based on a round trip time of flight (TOF) measurement.