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. 15, 2015

Filed:

Mar. 15, 2013
Applicant:

Two Forty Four A.m. Llc, Cambridge, MA (US);

Inventor:

Charles Carter Jernigan, Cambridge, MA (US);

Assignee:

two forty four a.m. LLC, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); H04W 4/02 (2009.01);
U.S. Cl.
CPC ...
H04W 4/021 (2013.01);
Abstract

A system and a plurality of methods for location detection are disclosed. In some cases, the user's present location is represented by a circle, having a center and a radius, where the radius is indicative of the accuracy of the present location. The desired destination location, or geofence, is also defined as a circle, having a center and a radius. The various methods desclsoed are used to determine when a user has entered or exited the geofence. In some embodiments, these methods attempt to minimize power consumption or another parameter. In another embodiment, the methods attempt to achieve the highest degree of accuracy possible or required for the task.


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