Drawer type track ball for portable computers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 15, 1994
Grant Date -
N/A
app pub date -
May 27, 1992
filing date -
May 27, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drawer type cursor controller for portable computers mainly includes a drawer-like casing received in a lower part housing of a portable computer below a keyboard thereof for accommodating a track ball therein. The drawer-like casing for the track ball is slidably supported to be conveniently pushed into the lower part housing of the portable computer when the track ball is not in use, and is conveniently pulled out of the lower part housing of the portable computer when the track ball is to be manipulated. The drawer-like casing track ball is disposable at a pulled out position that permits an operator to use either right or left thumb to smoothly move the track ball in an ergonomically suitable position without hindering operation on the keyboard with other fingers.
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