Patent 10540835 was granted and assigned to Carrier Corporation on January, 2020 by the United States Patent and Trademark Office.
An access control system includes a mobile library on a mobile device operable to communicate with the credential service, the mobile library operable to receive the credential from the credential service and a credential module for an access control, the credential module operable to receive virtual card data from the credential, the virtual card data usable to operate the access control.