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:
May. 17, 2022
Filed:
Mar. 12, 2019
Applicant:
Sony Corporation, Tokyo, JP;
Inventor:
Stephen Tiedemann, Stuttgart, DE;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01); G06F 9/54 (2006.01); H04W 4/80 (2018.01); H04W 12/084 (2021.01); H04W 4/50 (2018.01); H04L 29/06 (2006.01); H04L 67/00 (2022.01);
U.S. Cl.
CPC ...
H04B 5/0056 (2013.01); G06F 9/54 (2013.01); H04B 5/0031 (2013.01); H04W 4/80 (2018.02); H04W 12/084 (2021.01); H04L 63/107 (2013.01); H04L 67/34 (2013.01); H04W 4/50 (2018.02);
Abstract
An NFC device comprises a function unit configured to execute a function based on related command code, a storage unit configured to store the command code, a communication unit configured to communicate with another NFC device, and a processing unit configured, if an update of the command code shall be made by the another NFC device, to calculate a checksum over at least part of the command code, to compare the calculated checksum with a checksum received from the another NFC device and to authorize the update if the received checksum matches the calculated checksum.