Patents by Inventor David Graham Smith

David Graham Smith 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: 11741926
    Abstract: A system for dynamically controlling an echo canceler includes a processor programmed to receive audio data from an audio sensor, to determine a present type of noise in the received audio data, based on the present type of noise, to determine a number of taps to be removed from an echo canceler, and to execute the echo canceler with a reduced number of taps based on the number of taps to be removed.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: August 29, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Ranjani Rangarajan, Leah N. Busch, David Graham Smith, Jake Schwartz, Thomas Chrapkiewicz
  • Publication number: 20220406284
    Abstract: A system for dynamically controlling an echo canceler includes a processor programmed to receive audio data from an audio sensor, to determine a present type of noise in the received audio data, based on the present type of noise, to determine a number of taps to be removed from an echo canceler, and to execute the echo canceler with a reduced number of taps based on the number of taps to be removed.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 22, 2022
    Applicant: Ford Global Technologies, LLC
    Inventors: Ranjani Rangarajan, Leah N. Busch, David Graham Smith, Jake Schwartz, Thomas Chrapkiewicz
  • Publication number: 20220233105
    Abstract: A system includes a computer including a processor and a memory storing instructions executable by the processor to detect a position of a head of an occupant within a passenger compartment of a vehicle. The instructions include instructions to conduct a hearing test based on the position of the head of the occupant. The instructions include instructions to output sound at least at one of a specified frequency or amplitude, the specified frequency or amplitude selected based on results of the hearing test.
    Type: Application
    Filed: January 22, 2021
    Publication date: July 28, 2022
    Applicant: Ford Global Technologies, LLC
    Inventors: Joshua Wheeler, Pietro Buttolo, Cynthia M. Neubecker, Thomas Chrapkiewicz, David Graham Smith