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:
Apr. 08, 2025

Filed:

Sep. 14, 2021
Applicants:

Ajay R. Pillai, West Windsor, NJ (US);

Shamala Ajay, West Windsor, NJ (US);

Inventors:

Ajay R. Pillai, West Windsor, NJ (US);

Shamala Ajay, West Windsor, NJ (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 1/76 (2006.01); G01S 1/08 (2006.01); G01S 1/72 (2006.01); G01S 5/00 (2006.01); G01S 5/02 (2010.01); G01S 5/30 (2006.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
G01S 5/0264 (2020.05); G01S 1/08 (2013.01); G01S 1/72 (2013.01); G01S 1/725 (2013.01); G01S 1/76 (2013.01); G01S 5/0045 (2013.01); G01S 5/0268 (2013.01); G01S 5/30 (2013.01); G01S 2205/02 (2020.05); H04W 84/18 (2013.01);
Abstract

A location position system can include a plurality of beacons arranged a grid formation divided into a plurality of sub-grids. A mobile computing device can implement a location position application and can receive a radio signal from a particular beacon of the plurality of beacons. The radio signal can comprise a data component uniquely identifying the particular beacon, which can be used to identify a particular sub-grid of the plurality of sub-grids. An audio signal can be received from each of a set of sub-grid beacons associated with the particular sub-grid. Each audio signal can: (i) have a frequency in the frequency range of 16 kHz to 24 kHz and a transmission delay from a reference time, (ii) lack any additional identifying data, and (iii) be separately transmitted from the radio signal transmitted by the particular beacon. The mobile computing device can determine its position based on the received audio signals.


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