Patent ID: 7990364

Claim:
A computer system pointing device comprising: a plurality of keys; at least one sensor configured to sense data representing displacement information in x-y plane coordinates; a mode selector module configured to toggle between a first and a second mode of operation based upon said plurality of keys receiving a desired input sequence; and an adjuster configured to adjust the displacement information by at least adjusting a first of the x-y plane coordinates defined as first displacement information based upon a second of the x-y plane coordinates defined as second displacement information, when the second mode of operation is selected, and when the first mode of operation is selected, to perform no adjustment to the displacement information; said adjuster comprising a comparator configured to compare the first and second displacement information, and a resetting unit configured to reset one of the first and second displacement information based upon size of a respective displacement value in the first and second displacement information and the adjuster is configured to adjust the value of the first displacement information to the value of the second displacement information when the value of the first displacement information does not exceed the second displacement information by more than a threshold.