Patent ID: 11952011
Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
Field: Control (Instruments)
Classification: CPC B  G  H | IPC B  H

Claim 0:
1. A portable digital access device comprising:
a wireless transceiver configured to exchange information with a plurality of access control devices, the information including key identification data and authentication data, the authentication data having a plurality of keys for one or more of the plurality of access control devices, and the key identification data identifying one or more keys of the plurality of keys corresponding to at least one access control device of the plurality of access control devices;
a memory configured to store the authentication data; and
a processor coupled to the wireless transceiver and the memory, the processor configured to:
determine that the one or more keys match the key identification data received from the at least one access control device;
determine a destination location corresponding to the at least one access control device for navigation in response to the determination that the one or more keys match the key identification data received from the at least one access control device; and
transmit the one or more keys to the at least one access control device by controlling the wireless transceiver to prompt the at least one access control device to allow access to a user.