Back to results
US 6,384,743 B1Granted
Touch screen for the vision-impaired
AssigneeWisconsin Alumni Research Foundation
InventorGregg C. Vanderheiden
Life of this patent
Estimating the term…
Abstract
A touch screen system for the vision-impaired provides a speed list in which each of the virtual buttons on a screen are duplicated in a line along one edge of the screen to provide rapid access to the virtual buttons while taking advantage of their logical grouping among multiple screens to assist both vision-impaired and fill-sighted individuals.
Claims11
A touch screen for the vision-impaired comprising:
- (1) an electronic display screen having a display area;
- (2) a touch panel commensurate with the display area and providing a coordinate output indicating a touch point in the display area;
- (3) an electronic computer communicating with the electronic display screen, the touch panel and executing a stored program to:
- (a) display a plurality of first virtual buttons on the display screen having arbitrary locations within the display area;
- (b) respond to a touching of one of the plurality of first virtual buttons to execute a subroutine associated with the touched virtual button;
- (c) generating a plurality of second virtual buttons having a one-to-one correspondence with the first plurality of virtual buttons but arranged on the display screen in a linear array;
- and
- (d) respond to a touching of a given one of the plurality of second virtual buttons to execute a subroutine associated with a first virtual button corresponding to the given second virtual button.
5 more elements
Dependencies are inferred from the claim text.