In an optical information reading apparatus in which the degree of freedom with which the apparatus is shaped is improved, a mirror for bending a reflected light which has passed through an image forming lens is disposed between the image forming lens and an image sensor, whereby the provision of the...http://www.google.com/patents/US5489770?utm_source=gb-gplus-sharePatent US5489770 - Hand-held scanner having a folded optical path providing a compact design
