An endoscope system includes an endoscope, two control apparatuses, electric cables, and two electric connector receptacles. The endoscope has a connector unit, which includes a light source connector to be coupled to a light source apparatus, fixed to the proximal end of a universal cord extending from...http://www.google.ca/patents/US6443888?utm_source=gb-gplus-sharePatent US6443888 - Endoscope having electrical contact for connecting to control unit a formed in connector unit
