Importance

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Abstract

A cursor controller is installed on a computer keyboard, for the purpose of controlling the direction and speed of movement of the cursor. The cursor controller is shaped somewhat like a post unit; at its bottom is an arched face. On this arched bottom are several protruded-post contact points, each protruded-post contact point corresponding to respective electrical contact point at matching positions on the surface of the circuit board inside the casing of the keyboard. Each protruded-post contact point is in the arrangement of two concentric circles on the arched bottom of the cursor controller. Four protruded-post contact points form a set, comprising eight cursor movement directions, i.e., up, upper right, right, lower right, down, lower left, left, and upper left. By way of the height difference of each electrical contact point on the arched bottom, the operator can apply pressure in different directions and forces on the cursor controller, conducting to the electrical contact point in different directions and quantities, to change the direction and speed of the moving cursor.

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First Claim