Mouse-like input/output device with display screen and method for its use
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United States of America Patent
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Jun 15, 1999
Grant Date -
N/A
app pub date -
Jan 9, 1997
filing date -
Jan 9, 1997
priority date (Note) -
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Abstract
A computer mouse for blind users and a method for its use. The mouse has a display area on its upper surface in which a portion of the computer's screen display is reproduced in tactile form, for example by raising and lowering members of an array of pins. A monochrome display is encoded by pin height. A color display may be encoded in various ways. Preferably, lightness is encoded as the range of vertical motion of the pins and hue is encoded as pin motion frequency. A blind user scans the screen display by moving the mouse around on a mouse pad and feeling the relative heights and frequencies of the pins.
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