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. 01, 2026
Filed:
May. 24, 2024
Capital One Services, Llc, McLean, VA (US);
Jeffrey Rule, Chevy Chase, MD (US);
Kaitlin Newman, Washington, DC (US);
Rajko Ilincic, Annandale, VA (US);
Capital One Services, LLC, McLean, VA (US);
Abstract
Example embodiments of systems and methods for data transmission system between transmitting and receiving devices for use in a tap and walk store are provided. In an example embodiment, the transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key. Disclosed systems allow a user to purchase items utilizing the disclosed transmitting device.