US 11,952,011 B2
Devices and methods for digitally combining multiple access keys and locations
Masashi Nakagawa, Sunnyvale, CA (US); and Seisuke Kasaoki, Plano, TX (US)
Assigned to TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., Plano, TX (US)
Filed by Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed on Mar. 8, 2021, as Appl. No. 17/195,398.
Prior Publication US 2022/0281474 A1, Sep. 8, 2022
Int. Cl. B60W 60/00 (2020.01); H04W 12/04 (2021.01); H04W 12/06 (2021.01); H04W 12/08 (2021.01)
CPC B60W 60/001 (2020.02) [H04W 12/04 (2013.01); H04W 12/06 (2013.01); H04W 12/08 (2013.01)] 20 Claims
OG exemplary drawing
 
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.