An optical code reader for reading optical codes in any orientation with a preferred depth of field (DOF), the optical code reader including imaging sensor arrays arranged at angles to one another and tilted in accordance with the Scheimpflug principle to allow for omni-directional reading and a preferred...http://www.google.com.tw/patents/US6963074?utm_source=gb-gplus-share專利 US6963074 - Omni-directional optical code reader using scheimpflug optics
