A convertible peripheral input device comprises a control pad and a multiaxis input device selectably mounted on the edges of the control pad so that the multiaxis input device can be positioned for right-handed use or left-handed use according to the user's preference. The multiaxis input device can...http://www.google.co.uk/patents/US5781180?utm_source=gb-gplus-sharePatent US5781180 - Convertible peripheral device
