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:
Mar. 10, 2020
Filed:
Dec. 06, 2018
Scrrd, Inc., Seattle, WA (US);
Lucas Thoresen, Minneapolis, MN (US);
Joshua Cohen, Seattle, WA (US);
Joseph D. Preston, Bainbridge Island, WA (US);
Dan A. Preston, Bainbridge Island, WA (US);
SCRRD, Inc., Seattle, WA (US);
Abstract
A wireless device uses a tracking system to determine locations of target devices relative to the wireless device in an environment including one or more target devices. The tracking system receives a signal transmitted by a target device in the environment and performs an angle of arrival operation to determine the angle of arrival of the received signal. The tracking system applies a filter to determine an estimation value for the target device representing a system state for the target device. The tracking system assigns the received signal and corresponding angle of arrival to a track based on the estimation value. The tracking system identifies and removes outlier signals from the track to produce a filtered set of signals. The filtered set of signals is used to compute a point-of-origin vector for the target device for use in interacting and communicating with the target device.