Patents by Inventor Albert William Perry

Albert William Perry 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).

  • Learning apparatus
    Patent number: 5993217
    Abstract: A learning apparatus for use with a computer comprising a set of tactile flash cards, each individual card having a tactilely perceptible pattern embossed on a surface of the card and two electrically connected contacts at a unique set of discrete spaced positions on the card with a preselected correspondence between the tactilely perceptible pattern on the surface of the card and the selected positions of the contacts, and a tactile flash card reader capable of sensing the positions of the contacts on a card and controlling the computer.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: November 30, 1999
    Inventor: Albert William Perry
  • Braille learning apparatus
    Patent number: 5725379
    Abstract: A braille learning apparatus for use with a computer comprising a set of tactile flash cards, each individual card having a pattern of braille dots embossed on a surface of the card and two electrically connected contacts at a unique set of discrete spaced positions on the card with a preselected correspondence between the pattern of braille dots on the surface of the card and the selected positions of the contacts, and a tactile flash card reader capable of sensing the positions of the contacts on a card.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: March 10, 1998
    Inventor: Albert William Perry