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:
Jan. 28, 2025
Filed:
Jan. 06, 2023
Applicant:
Carrier Corporation, Palm Beach Gardens, FL (US);
Inventors:
Mateusz Mazur, Gdańsk, PL;
Nazar Krutskevych, Gdańsk, PL;
Assignee:
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G06K 7/10128 (2013.01); G06K 7/10148 (2013.01);
Abstract
A presence detection system () including: an RFID interrogator (); and a plurality of passive RFID tags (to MN), the RFID interrogator () is configured to: measure a received signal strength indicator (RSSI) level from each of the plurality of passive RFID tags (to MN); compare a measured RSSI level to a reference RSSI level for each of the plurality of passive RFID tags (to MN); and determine whether a difference between the measured RSSI level and the reference RSSI level is greater than a threshold value.