Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
2007-03-06
2007-03-06
Bayerl, Raymond J. (Department: 2173)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C715S845000, C715S854000, C715S762000
Reexamination Certificate
active
10264981
ABSTRACT:
A selection apparatus providing user friendly interface for visually impaired people. The selection apparatus may contain a touch screen and a guide structure. The guide structure is disposed along the touch buttons in the touch screen, and contains touch points corresponding to the touch buttons. The touch points are designed such that a different sensation is felt when a user slides an object (e.g., finger) along the selection structure. An exit may be designed to help lead the object from each touch point to corresponding touch button. Thus, a visually impaired person may slide a finger along the guide structure, feel a touch points and use the associated exit to locate a corresponding touch button.
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Bayerl Raymond J.
Coca T. Rao
England Anthony V. S.
Greene Sabrina
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