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. 07, 2021

Filed:

Mar. 27, 2020
Applicant:

Tile, Inc., San Mateo, CA (US);

Inventors:

Pierre-Marie Lévêque, San Francisco, CA (US);

Wayne Patterson, Burlingame, CA (US);

Arunkumar Puppala, Fremont, CA (US);

Assignee:

Tile, Inc., San Mateo, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/08 (2006.01); H04W 4/02 (2018.01); G08B 25/10 (2006.01); G08B 21/24 (2006.01); G08B 21/02 (2006.01); H04W 4/029 (2018.01);
U.S. Cl.
CPC ...
H04W 4/02 (2013.01); G08B 21/24 (2013.01); G08B 25/10 (2013.01); G08B 21/0269 (2013.01); G08B 21/0272 (2013.01); H04W 4/029 (2018.02);
Abstract

A last known location of a tracking device can be determined by using location information received at a tracking system. A disconnection event is received at the tracking system indicating that a tracking device has disconnected from a mobile device. In response, the tracking system can generate a last known location for the tracking device. Other relevant location updates, such as recent locations of the mobile device or locations of other mobile devices that connect to the tracking device are collected and associated with the disconnection event. Based on the location updates, a last known location of the tracking device can be computed and stored.


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