Patent ID: 6703924
Filing Date: 2004-03-09
Classification: G09B

Abstract:
A tactile display for reading out information corresponding to at least a portion of an image appearing on a computer screen comprising a 2-dimensional array of pixels, the tactile display comprising:a plurality of tactile output elements arranged in an array, each of the plurality of output elements corresponding to at least one pixel of the computer screen and being movable, in response to an input representative of a value of a property of the at least one pixel, to a predetermined one of a plurality of discrete, tactilely-recognizable positions, the positions of the plurality of tactile output elements providing a tactilely-recognizable pattern representative of said information; and a touch sensor operatively associated with at least one of the plurality of tactile output elements, said at least one touch sensor providing an output in response to a user's touch of the associated tactile output element.