Patent ID: 7856447

Claim:
A method of authorising users to perform a search, the method including, in a computer system: printing a search request form including information relating to a search request and coded data portions, the information and coded data portions being printed simultaneously, each coded data portion being indicative of an authorisation parameter and of a reference point, at least some of the coded data portions being coincident with the information; receiving indicating data from a sensing device, the sensing device being responsive to movement of the sensing device relative to the search request form to sense at least some of the coded data portions and generate the indicating data, the indicating data being at least partially indicative of: the authorisation parameter; movement of the sensing device; and, an identifier, the identifier being stored in a store within the sensing device; determining, using the indicating data, the authorisation parameter and movement of the sensing device; identifying the user using the identifier of the sensing device; authorising the user using the determined movement, the authorisation parameter and the identifier; and, performing a search in response to a successful authorisation.