Patent ID: 11917070
Assignee: CARRIER CORPORATION
Field: Control (Instruments)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A wireless key device comprising:
a wireless transceiver and antenna configured to communicate wirelessly with an access terminal and a server, wherein the server is configured to identify a filter based on at least a set of user permissions and a geographic location of the key device and select a subset of the plurality of digital credentials based on the filter; and
a processor configured to:
authenticate the key device with the server;
retrieve the filtered plurality of digital credentials from the server, the filtered plurality of digital credentials associated with a plurality of access terminals within a selected geographic proximity to the key device;
poll the access terminal via the wireless transceiver and antenna for an access terminal identification which uniquely identifies the access terminal;
receive the access terminal identification from the access terminal in response to the polling from the key device;
identify a digital credential of the filtered plurality of digital credentials associated with the access terminal based on the access terminal identification; and
transmit the selected digital credential to the access terminal via the wireless transceiver and antenna.