Patent ID: 6765555
Filing Date: 2004-07-20
Classification: G06F

Abstract:
An optical mouse for providing a movement vector based on relative movement of successive images received by the optical mouse, said movement vector used to control a cursor of a computing device, the optical mouse comprising:a housing having an opening; a lens disposed within said opening, said lens operative to focus ambient images from outside said housing onto a focal plane; an integrated circuit located within said housing, said integrated circuit including; (a) a sensor array located at substantially said focal plane, said sensor array operative to receive said ambient images and output a signal indicative of said ambient images; and (b) a processor for receiving said signal indicative of said ambient image, said processor operative to receive at least two successive ambient images and determine and output said movement vector based upon a comparison of said at least two successive ambient images; and a mode switch operative to cause said integrated circuit to output said ambient images, further wherein said optical mouse does not have a light source for activating interrogating the environment.