Patent ID: 6549189
Filing Date: 2003-04-15
Classification: G06F

Abstract:
A method for operating an input device having an input button with an engaging surface that is convex along a first axis and concave along a second axis transverse to the first axis, the input button being operatively coupled to a computer, the method comprising:aligning a plurality of phalanges of a human finger along the first axis of the engaging surface; curling the human finger along the first axis to engage the plurality of phalanges of the finger with convex portion of the engaging surface; engaging a lower surface of the plurality of phalanges of the human finger with a lower portion of the concave engaging surface while engaging a side surface of the plurality of phalanges of the human finger with a side portion of the concave engaging surface engaging a tip of the human finger with a concave, rounded end portion of the engaging surface; and activating the input button to transmit a signal to the computer.