Refreshable scanning tactile graphic display for localized...

Details Refreshable scanning tactile graphic display for localized... Refreshable scanning tactile graphic display for localized...

2008-04-01

2008-04-01

Lao, Lun-Yi (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S173000, C434S112000

Reexamination Certificate

active

10317930

ABSTRACT:
Pressure-based refreshable scanning tactile graphic display apparatus and methods are disclosed for localized sensory stimulation. The apparatus include a display array having stimulus points embedded in a matrix, an energy source applied at the stimulus points through a modulator, a control unit, and a position sensing and feedback unit or units (such as a mouse-type device or data glove, for example). The energy source is preferably stored and pressurized fluid with application to selected stimulus points (pins, for example) preferably directed at a microvalve array under the control of a computer-based control unit.

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