Interrogator and interrogation system employing the same

JP Volpi, JD Laferney, DW Hensley, RC Hatch… - US Patent …, 2022 - Google Patents
An interrogator, methods of discerning the presence of an object, and interrogation systems
employing the same. In one embodiment, the interrogation systems include multiple …

Ceiling-mounted RFID-enabled tracking

CS Karani, LC Waidmann, WE Bolger-Kumm… - US Patent …, 2022 - Google Patents
Systems and methods for tracking a subject using radio frequency identification (RFID). In an
embodiment, an antenna array comprising a plurality of articulating brackets and a plurality …

Automated occupant tracking systems and methods

J Perez - US Patent 11,276,025, 2022 - Google Patents
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A1 2004/0236635 A1 2005/0099298 A1 2006/0015408 A1 2006/0033609 Al 2006/0214792 …