Patents by Inventor Harold Ralph Carey

Harold Ralph Carey 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).

  • Publication number: 20040246135
    Abstract: The Traveller is a multi-function device to aid blind people in unassisted walking. It provides 4 inter-related functions: (1) A magnetic compass, marked in braille to help a blind person orient himself, or to face and walk in a selected direction. (2) A straight-walker to guide the blind person to walk in a selected direction, using vibrators in the neck-strap at the side of the neck. (3) An obstacle alarm to signal the blind person that an obstacle is ahead at nearer that the pre-selected distance, using a vibrator at the back of the neck. (4) A queue-minder using a vibrator at the back of the neck, to signal the blind person while standing in a queue that the person in front has moved up.
    Type: Application
    Filed: June 9, 2003
    Publication date: December 9, 2004
    Inventor: Harold Ralph Carey