Patent ID: 6687680
Filing Date: 2004-02-03
Classification: G01G,G06Q,G07G

Abstract:
An electronic cash register system comprising:a keyboard including article keys indicative of articles; article input key start and end detection means responsive to actuation of selected keys at said keyboard for detecting start and end of inputting operations of said article keys for every order; data storing means for storing weight data of said articles, said weight data having correspondence to said article keys, respectively; total weight calculating means for reading said weight data in response to each of said article keys and said article key input start and end detection means and for calculating a total of said read weight data; weight measuring means for measuring weight of an object; comparing means for comparing said weight with said total; and informing means for informing an operator of an error when said weight of said object substantially disagrees with said total; said electronic cash register system further comprising: order number generating means for generating different order number data in response to said article input key start and end detection means, repeatedly; storing means responsive to said article input key start and end detection means for repeatedly storing said total and said order number data to store a plurality of sets of totals and order number data; order number input means for inputting an order number; detecting means for detecting that one of said sets of which order number data agrees with said inputted order number; and reading means for reading said total of said detected set, wherein said informing means informs said operator of said error when said weight of said object substantially disagrees with said total of said detected set.