US Patent 7070110 Hand-wearable coded data reader

A reading device adapted to read an interface surface provided on a product item, the interface surface having disposed thereon coded data indicative of an identity of the product item, the reading device including: a housing for mounting on at least one finger of the user in use, the housing including an aperture; a radiation source for illuminating the interface surface of the product item; a sensor provided in the housing for sensing at least some of the coded data through the aperture when the product item is positioned substantially in contact with the housing; and a processor for determining, using at least some of the sensed coded data, product identity data indicative of the identity of the product item.