Patents by Inventor David P. McCullough

David P. McCullough 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: 11125427
    Abstract: Systems and methods for detecting a presence of a person, robot or object in a given area using a hybrid Lighting and Inventory (“LI”) system. The methods comprise: maintaining a data store of identifiers for first tags that are readable by an internal circuit of at least one light provider; tracking (a) changes in which of said first tags are read by the at least one light provider's internal circuit during consecutive tag read processes and (b) changes in power levels of tag read signals received at the at least one light provider during the consecutive tag read processes; and using tracked information (a) and (b) to detect the presence of the person, robot or object in the given area.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: September 21, 2021
    Assignee: Sensormatic Electronics, LLC
    Inventors: Steve E. Trivelpiece, Adam S. Bergman, Craig E. Trivelpiece, Eric F. Riggert, David P. McCullough
  • Publication number: 20200263863
    Abstract: Systems and methods for detecting a presence of a person, robot or object in a given area using a hybrid Lighting and Inventory (“LI”) system. The methods comprise: maintaining a data store of identifiers for first tags that are readable by an internal circuit of at least one light provider; tracking (a) changes in which of said first tags are read by the at least one light provider's internal circuit during consecutive tag read processes and (b) changes in power levels of tag read signals received at the at least one light provider during the consecutive tag read processes; and using tracked information (a) and (b) to detect the presence of the person, robot or object in the given area.
    Type: Application
    Filed: May 2, 2019
    Publication date: August 20, 2020
    Applicant: Sensormatic Electronics, LLC
    Inventors: Steve E. Trivelpiece, Adam S. Bergman, Craig E. Trivelpiece, Eric F. Riggert, David P. McCullough