An optical scanning apparatus for retrieving digital electronic images representative of opaque and transmissive objects. The apparatus is equipped with a docking port and is operative to scan objects, such as documents and photographs and/or transparencies and slides. A scanning camera...http://www.google.com/patents/US5814809?utm_source=gb-gplus-sharePatent US5814809 - Apparatus for optically scanning images using transmissive and reflective light sources 
