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:
Nov. 13, 2012
Filed:
Mar. 11, 2008
Trevor Burbridge, Ipswich, GB;
Andrea Soppera, Ipswich, GB;
Trevor Burbridge, Ipswich, GB;
Andrea Soppera, Ipswich, GB;
British Telecommunications public limited company, London, GB;
Abstract
Apparatus and system for verifying a route taken during movement of an RFID tag, comprising a trusted platform module; sealed storage () comprising one or more stores () for storing a public key (), a private key () and a policy (); and processors arranged to: receive data () read-out from the RFID tag () and comprising an RFID tag identity and an encrypted signature (); use the public key () to decrypt the encrypted signature (); verify that the decrypted signature () corresponds to a first entity from which, according to the policy (), a second entity is authorised to receive the given RFID tag (); use the private key () to provide an encrypted signature (); and forward data comprising the encrypted signature () to an RFID tag writer ().