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:
Jul. 17, 2012
Filed:
May. 07, 2009
Applicants:
Daniel Driscoll, Bellevue, WA (US);
Robert Hain, Redmond, WA (US);
Inventors:
Daniel Driscoll, Bellevue, WA (US);
Robert Hain, Redmond, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Two participants may observe periodic data sources available only in the vicinity of physical trust (i.e. a wifi beacon). If an initial test of whether each participant has received the same key is passed, each party may hash the periodic source and communicate it to the other over a non-proximal communication channel (an IP network) and both are able to verify that the other (or agent of the other) is within the same vicinity.