Electronic cash register

Abstract

Abstract PURPOSE:To cancel data during the totalizing processing of data with a simple work in a short time, by making the data already subjected to the totalizing process canceld by the operation of a ten-key and a totalizing key after opening a cancel key. CONSTITUTION:A service mode changeover switch is set to the registering mode, and the price of merchandise is inputted by ten-keys, and a department key corresponding to merchandise is operated, and thus, the registering service of sale merchandise is performed. By this key operation, the price is added to a totalling equipment for the amount of money of a department-classified totalling equipment 39 of an RAM as well as a customer totalling equipment 38. Next, in case that data which has been subjected to the totalizing processing is cancelled in the course of the divisional totalizing processing, the cancel key is operated and ten-keys are operated to store the ten-key input into a cancel register 40. If the totalizing key is operated under this state, contents of a totalling part for the amount of money of a closing buffer memory 41 corresponding to the totalizing key are compared with contents of the register 40. If contens of the register 40 are smaller, contents of the register 40 are subtracted from contents of the memory 41, and the result is printed on a receipt

Inventors

• 👤 Goji Suzue

Bibliographic Details