Third-axis input device of mouse
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 13, 2003
Grant Date -
N/A
app pub date -
Jan 27, 2000
filing date -
Jan 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A third-axis input device of a mouse comprises a hollow roller stage mounted on a base of the mouse and a hollow roller pivotally arranged on the mouse's roller stage. The roller projects from the cover of the mouse. The roller has a closed lateral surface and an open lateral surface, defining an accommodation space therein. A ring is formed on an inner side of the closed lateral surface and extends within the accommodation space. The ring has a plurality of equally spaced apart tooth-shaped strips formed on a surface thereof to function as an encoder wheel. The encoder wheel is mounted with respect to an optical means having a case, a circuit board connected to the primary circuit board of the mouse, and an infrared transceiver.
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