Patent ID: 7233924

Claim:
A method of enabling an auction buyer to submit a bid, the method including the steps of: providing, to the auction buyer, a printed paper form containing visible information relating to a bid transaction and invisible coded data indicative of an identity of the printed form and of a plurality of reference points identifying a plurality of unique locations on the printed form, the printed form being provided to the auction buyer by printing the form, using a printer, wherein a computer system records, at the time of printing the form, an association between the type and spatial extent of the coded data and the spatial extent of at least some of the visible information; receiving, in the computer system, indicating data from a sensing device regarding the identity of a printed paper form and a position of the sensing device relative to the printed form, the sensing device, when placed in an operative position relative to the form, sensing at least some of the coded data and generating, using the sensed coded data, the indicating data; and identifying, in the computer system and from the indicating data and the association, at least one parameter relating to the bid transaction.