IDiyas

For the Inventor, By the Inventor

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.:

US 11570580 B1

PDFFull Text
Date of Patent:
Jan. 31, 2023

Filed:

Feb. 18, 2021

Wireless location system in multi-corridor buildings

Applicant:

Centrak, Inc., Newtown, PA (US);

Inventor:

Israel Amir, Princeton, NJ (US);

Assignee:

CenTrak, Inc., Newtown, PA (US);

Attorney:

Kaplan Breyer Schwarz, LLP

Primary Examiner:

Inder P Mehra

Int. Cl.
CPC ...
H04W 4/029 (2018.01); H04W 4/02 (2018.01); H04W 4/33 (2018.01); H04W 4/80 (2018.01); H04W 64/00 (2009.01); H04W 84/18 (2009.01); G01S 1/64 (2006.01); G01S 1/68 (2006.01); G01S 1/72 (2006.01); G01S 1/74 (2006.01); G01S 5/02 (2010.01); G01S 5/14 (2006.01);
U.S. Cl.
CPC ...
H04W 4/029 (2018.02); G01S 5/0252 (2013.01); G01S 5/14 (2013.01); H04W 4/023 (2013.01); H04W 4/33 (2018.02); H04W 4/80 (2018.02); H04W 64/003 (2013.01);
Abstract

A system and methods for estimating the location of a mobile device are disclosed. In accordance with one embodiment, a mobile device located within a first corridor of a building receives (1) a first wireless electromagnetic signal and a first ultrasound signal from a first beacon located in the first corridor, (2) a second wireless electromagnetic signal and a second ultrasound signal from a second beacon located in the first corridor, and (3) a third wireless electromagnetic signal from a third beacon located in a second corridor of the building. The first wireless electromagnetic signal, the first ultrasound signal, the second wireless electromagnetic signal, and the second ultrasound signal are used to estimate a location of the mobile device.

Find Patent Forward Citations

Loading…