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:
Oct. 15, 2019

Filed:

Jul. 10, 2018
Applicant:

Zerokey Inc., Calgary, CA;

Inventors:

Matthew William Lowe, Calgary, CA;

Vahid Dehghanian, Calgary, CA;

Assignee:

ZEROKEY INC., Calgary, Alberta, unknown;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 23/00 (2006.01); H04W 64/00 (2009.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01); G01S 5/30 (2006.01); G01S 11/16 (2006.01);
U.S. Cl.
CPC ...
H04W 64/006 (2013.01); G01S 5/30 (2013.01); G01S 11/16 (2013.01); H04L 1/0054 (2013.01); H04L 5/0048 (2013.01);
Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.


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