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. 04, 2007
Filed:
Jun. 24, 2003
Branislav N. Meandzija, Del Mar, CA (US);
Mithat Can Dogan, Sunnyvale, CA (US);
Marc C. Goldburg, Redwood City, CA (US);
Branislav N. Meandzija, Del Mar, CA (US);
Mithat Can Dogan, Sunnyvale, CA (US);
Marc C. Goldburg, Redwood City, CA (US);
ArrayComm, LLC, San Jose, CA (US);
Abstract
The time reference of a user terminal that is derived from an unauthenticated access point can be certified by a trusted entity according to the present invention. In one embodiment, the present invention includes a user terminal obtaining a time reference from an access point of a wireless access network. The user terminal then receives a digital certificate having a validity period from the access point, the certificate being issued by a certificate authority. In one embodiment, the user terminal requests certification of the time reference by a trusted entity, and receives the certification. Then the user terminal can validate the digital certificate.