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:
Jun. 03, 2025

Filed:

Jul. 28, 2021
Applicant:

Salunda Limited, Oxfordshire, GB;

Inventors:

Alan Patrick John Finlay, Hereford, GB;

Andrew Henry John Larkins, Berkshire, GB;

Assignee:

Salunda Limited, Oxfordshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 (2010.01); G01S 17/48 (2006.01); G01S 17/88 (2006.01); G08B 7/06 (2006.01); G08B 21/02 (2006.01); H04B 1/3827 (2015.01);
U.S. Cl.
CPC ...
G01S 5/02585 (2020.05); G01S 17/48 (2013.01); G01S 17/88 (2013.01); G08B 21/02 (2013.01); H04B 1/385 (2013.01); G08B 7/06 (2013.01);
Abstract

A location system for locating workers including a plurality of light detectors mounted at known locations and configured to detect light from one or more workers, and a processing system configured to determine locations of the workers using the light detected by the light detectors. There is also disclosed a wearable device for locating a worker including a wireless transceiver, and a wearable device light source and/or one or more reflective elements. There is also disclosed a method for locating workers including detecting light from one or more workers using a plurality of light detectors mounted at known locations, and determining locations of the workers using the light detected by the light detectors.


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