Patents by Inventor Donald MacDougal Campbell

Donald MacDougal Campbell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11348395
    Abstract: A method for administering a physical access control system is provided. One example of the disclosed method includes receiving sensor data from one or more sensors deployed in a facility, the sensor data including information describing a user's activity within a zone of the facility or a user's movement between zones of the facility. The method also includes comparing the sensor data to one or more user models that describe a normal or expected user activity within the zone of the facility or user movement between the zones of the facility and based on the comparison of the sensor data to the one or more user models, determining that the user's activity does not fall within the normal or expected user activity within the zone of the facility or user movement between the zones of the facility.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: May 31, 2022
    Assignee: ASSA ABLOY AB
    Inventor: Donald MacDougal Campbell
  • Publication number: 20200051349
    Abstract: A method for administering a physical access control system is provided. One example of the disclosed method includes receiving sensor data from one or more sensors deployed in a facility, the sensor data including information describing a user's activity within a zone of the facility or a user's movement between zones of the facility. The method also includes comparing the sensor data to one or more user models that describe a normal or expected user activity within the zone of the facility or user movement between the zones of the facility and based on the comparison of the sensor data to the one or more user models, determining that the user's activity does not fall within the normal or expected user activity within the zone of the facility or user movement between the zones of the facility.
    Type: Application
    Filed: December 22, 2017
    Publication date: February 13, 2020
    Inventor: Donald MacDougal Campbell