Disclosed is a pen-shaped optical mouse. The optical mouse has an optical fiber on the optical path of illuminating light, and an optical fiber bundle on the optical path of reflected light, respectively. The optical system of the optical mouse is realized irrespective of the optical paths and their...http://www.google.fr/patents/US20060028456?utm_source=gb-gplus-shareBrevet US20060028456 - Pen-shaped optical mouse
