Patent ID: 11948444
Assignee: nan
Field: Control (Instruments)
Classification: CPC G  E  H | IPC G  H

Claim 8:
9. The occupancy detection device of claim 1, wherein the at least one mobile device comprises one or more of at least one user mobile device, at least one checked-in mobile device and at least one staff mobile device, wherein the at least one user mobile device is used by possible guests of the venue who monitor the status of the platform or the plurality of statuses of the platform and not checked in to the platform, wherein the at least one user mobile device becomes the at least one checked-in mobile device when the at least one user mobile device checks in to the platform using the wireless communication via Bluetooth or the wireless communication via near field communication (NFC), wherein the at least one staff mobile device is used by the administrating staff of the venue, wherein the status of the platform or the plurality of statuses of the platform includes at least one message, wherein the at least one staff mobile device and/or the central device communicates (transmit and/or receive) the at least one message to the at least one checked-in mobile device.