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Electronic cash register

  • US 4,829,429 A
  • Filed: 03/03/1988
  • Issued: 05/09/1989
  • Est. Priority Date: 03/03/1987
  • Status: Expired due to Fees
First Claim
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1. An electronic cash register comprising:

  • input means including numeric keys to enter the numerical information such as a price and function keys to enter a variety of transaction information;

    internal processing means to process the numerical information entered by said input means;

    output means to deliver numerical information entered by said input means or numerical information processed by said internal processing means;

    a first memory to store the cumulative total values of the numerical information occurring from various transactions;

    a drawer to keep and store the cash, which is opened by an open command signal sent from said internal processing means at the end of various transactions;

    timer means to start a timing action in response to said open command signal of the drawer and to stop said timing action in relation to the closing action of the drawer; and

    a second memory to store a time information corresponding to the measured period by said timer means according to the timing action of said timer means.

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