Patents by Inventor Anastasios Nikolas Angelopoulos

Anastasios Nikolas Angelopoulos 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).

  • Systems and methods for event-based gaze tracking
    Patent number: 12066625
    Abstract: Systems and methods for event-based gaze in accordance with embodiments of the invention are illustrated. One embodiment includes an event-based gaze tracking system, including a camera positioned to observe an eye, where the camera is configured to asynchronously sample a plurality of pixels to obtain event data indicating changes in local contrast at each pixel in the plurality of pixels, and a processor communicatively coupled to the camera, and a memory communicatively coupled to processor, where the memory contains a gaze tracking application, where the gaze tracking application directs the processor to, receive the event data from the camera, fit an eye model to the eye using the event data, map eye model parameters from the eye model to a gaze vector, and provide the gaze vector.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: August 20, 2024
    Assignee: The Board of Trustees of The Leland Stanford Junior University
    Inventors: Gordon Wetzstein, Anastasios Nikolas Angelopoulos, Julien Martel
  • Universal pickup
    Patent number: 8993868
    Abstract: A musical instrument pickup including an apparatus that allows for easy interchangement of magnets for modifying tone.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 31, 2015
    Inventor: Anastasios Nikolas Angelopoulos
  • Universal Pickup
    Publication number: 20140251117
    Abstract: A musical instrument pickup including an apparatus that allows for easy interchangement of magnets for modifying tone.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 11, 2014
    Inventor: Anastasios Nikolas Angelopoulos