US 11,941,472 B1
Systems and methods for simultaneous communication to a plurality of personal devices with RFID tags and LEDs with roaming feature
Iqbal Mohammad, Mangalore (IN); and Kiran Karanki, Manglore (IN)
Assigned to Semnox Solutions Private Limited
Filed by Iqbal Mohammad, Mangalore (IN); and Kiran Karanki, Manglore (IN)
Filed on Sep. 30, 2021, as Appl. No. 17/491,230.
Application 17/491,230 is a continuation in part of application No. 16/833,934, filed on Mar. 30, 2020, granted, now 11,170,282.
Int. Cl. G06K 19/077 (2006.01); G06K 7/10 (2006.01)
CPC G06K 19/07762 (2013.01) [G06K 7/10396 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A system for wireless communication with a plurality of persons in a space, said system comprising
a central controller, said controller further comprising a memory, a plurality of gateways in communication with said central controller, said gateways distributed at different locations in said space, and
a plurality of wearable transceiver devices, each said transceiver device having a transceiver, a unique wireless address and an RFID tag and said plurality of transceivers further comprising a first group adapted transmit and receive signals on a first frequency and a second group adapted to transmit and receive signals on a second frequency, and
wherein a first gateway is configured to communicate with said central controller and to communicate with said first group of transceivers on a designated first frequency and a second gateway is configured to communicate with said second group of transceiver on a second frequency,
said system further adapted to allow said transceivers to roam between gateways, wherein each said transceiver is configured to be altered from said first designated frequency and said first gateway to said second designed frequency and said second gateway in response to instructions transmitted from said central controller.