Patents by Inventor Wonky Kim

Wonky Kim 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).

  • Ultrasonic binaural sensory aid for a blind person
    Patent number: 4761770
    Abstract: A method for processing a reflected echo signal which is received from an object and supplied to an ultrasonic binaural sensory aid comprising the step of stretching said reflected signal in time axis, and the step of converting the stretched signal into a signal of audible frequency, and a blind aid which works by the above mentioned method.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: August 2, 1988
    Inventors: Wonky Kim, Taeyoung Choi