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:
Aug. 24, 2021
Filed:
Jan. 08, 2020
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Hugues Jean Marie de Perthuis, Garcelles, FR;
Frank Leong, Veldhoven, NL;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/16 (2006.01); G01S 13/02 (2006.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 29/06 (2006.01); H04W 12/0433 (2021.01);
U.S. Cl.
CPC ...
H04L 9/16 (2013.01); G01S 13/0209 (2013.01); H04L 9/0637 (2013.01); H04L 9/0643 (2013.01); H04L 9/0825 (2013.01); H04L 9/0872 (2013.01); H04L 9/3242 (2013.01); H04L 63/0442 (2013.01); H04L 63/0464 (2013.01); H04W 12/0433 (2021.01); H04L 2209/38 (2013.01);
Abstract
Disclosed are methods and devices for deriving keys for coding the contents of data frames, which are to be transmitted in a keyless entry system during an ultra-wide band ranging session between a transceiver device coupled to a base structure to be opened and closed and/or to be locked and unlocked, and a mobile transceiver device associated with the structure-coupled transceiver device.