Patent ID: 7877292
Filing Date: 2011-01-25
Classification: G06F,G06Q,G07G

Abstract:
1. A merchandise sales data processing apparatus, comprising: a receipt printer for printing and issuing a receipt on receipt paper; means for performing merchandise sales processing that includes issuing a receipt using the receipt printer, according to received merchandise information; a keyboard comprising a set of keys and having a data input ability; a key cover that is freely attachable to or detachable from a key of the keyboard and that holds a key sheet, on which a label signifying a role of the key is printed, between the key cover and a top of the key; a memory unit which stores therein roles assigned to the keys; and printing means for controlling the receipt printer to print, on the receipt paper, a label signifying one of the roles stored in the memory unit and a frame which delineates the label as the key sheet to be held between the key cover and the top of the key, together with a numerical character specifying a position of the key.