Patents Assigned to Chelsea Trent
  • Keyboard with reflected light beam finger detection
    Patent number: 9024915
    Abstract: A keyboard operates by having a light beam reflected off a finger. When present, as indicated by the presence of the reflected light beam, the keyboard key location is sent to a PC or other device. The keyboard can be used in bright sunlight and total darkness. The keyboard has a one piece planar top surface with no opening or microbial (bacterial or viral) harbors.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: May 5, 2015
    Assignee: Chelsea Trent
    Inventor: James Harrison Bowen