Patents by Inventor Thomas J. Balfe

Thomas J. Balfe 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).

  • Navigation device for use by the visually impaired
    Patent number: 6774788
    Abstract: A handheld navigation device for use by the visually impaired having a camera electrically connected to a microprocessor. The microprocessor is capable of object and character recognition and translation into Braille. A Braille display is electrically connected to the microprocessor. A speaker is electrically connected to the microprocessor for audibly communicating common objects and distances and character recognition translations to the user.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: August 10, 2004
    Inventor: Thomas J. Balfe