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.

Date of Patent:
Dec. 20, 2016

Filed:

Mar. 24, 2014
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Mira Belenkiy, Sharon, MA (US);

Henry Nelson Jerez, Sammamish, WA (US);

Thomas Michael Roeder, Kirkland, WA (US);

Matt Dyor, Bellevue, WA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04W 12/08 (2009.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
H04W 12/08 (2013.01); H04L 9/0872 (2013.01); H04L 9/14 (2013.01); H04L 2209/80 (2013.01);
Abstract

Location brokering technique embodiments are presented that employ sensor data captured by a user's mobile device to determine the device's location, encrypt the location data and store it in a database. The location data is encrypted in such a way that it is possible to determine when a user's mobile device is currently in the same vicinity as another user's mobile device who is a member of the same group as the first user. However, the actual location and relative mobility or immobility of the users cannot be ascertained except by the users themselves via a decryption procedure or by trusted components. Services are provided can read the stored encrypted location data, processes it to determine if group members are in the same vicinity, and either respond to user queries about the location of other members of a group the user belongs to, or push this information to appropriate users.


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