Patents by Inventor Edward R. McRae

Edward R. McRae 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).

  • Tactile and visual hearing aids utilizing sonogram pattern
    Patent number: 6351732
    Abstract: Audio signals are presented to a user by separating the audio signals into plural discrete frequency components extending from a low frequency to a high frequency, translating each of the frequency components into control signals, and applying the control signals to an array of light emitting devices for sensing by the user.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: February 26, 2002
    Inventors: Elmer H. Hara, Edward R. McRae
  • Tactile and visual hearing aids utilizing sonogram pattern
    Publication number: 20010016818
    Abstract: A method of presenting audio signals to a user is comprised of receiving audio signals to be presented, separating the audio signals into plural discrete frequency components extending from a low frequency to a high frequency, translating each of the frequency components into control signals, and applying the control signals to an array of tactile transducers for sensing by the user.
    Type: Application
    Filed: February 7, 2001
    Publication date: August 23, 2001
    Inventors: Elmer H. Hara, Edward R. McRae
  • Tactile and visual hearing aids utilizing sonogram pattern recognition
    Patent number: 6230139
    Abstract: Presenting audio signals to a user is comprised of receiving audio signals to be presented, separating the audio signals into plural discrete frequency components extending from a low frequency to a high frequency, translating each of the frequency components into control signals, and applying the control signals to an array of tactile transducers for sensing by the user.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: May 8, 2001
    Inventors: Elmer H. Hara, Edward R. McRae