Patents by Inventor David Bruce Chase

David Bruce Chase 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).

  • VIBRATIONAL DEVICE AND METHODS FOR MITIGATING SYMPTOMS OF FREEZING OF GAIT
    Publication number: 20220015500
    Abstract: A device adapted to be secured to the foot of a user includes one or more vibration actuators configured to provide vibrations to the user's foot, one or more force or acceleration sensors configured to sense forces or acceleration exerted by the user's foot, and a controller configured to operate the vibration actuators in a continuous mode to provide intermittent vibration to the user's foot independent of information sensed by the force or acceleration sensors. The vibration includes a first period of continuous vibration followed by a second period of no vibration followed by a third period of continuous vibration. The device may also be configured to operate in a feedback mode.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 20, 2022
    Applicant: University of Delaware
    Inventors: Ingrid Pretzer-Aboff, Richard D. Martin, David Bruce Chase, Scott Jones, John F. Rabolt