Patent acquisition information: A technology related to determining the face-to-face situation of two people carrying a beacon has been registered as a patent.

Patent has been granted and registered for a technology related to the determination of the face-to-face situation of two people carrying a beacon (invention name “Face-to-face Situation Determination System”).
It is an invention to determine if the two are facing each other using RSSI (Received Signal Strength Indicator) from the beacon.
(Patent No. 6919818 Registration date: 2021/07/28)