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Electronic grocery lister

  • US 5,884,281 A
  • Filed: 09/18/1996
  • Issued: 03/16/1999
  • Est. Priority Date: 09/19/1995
  • Status: Expired due to Fees
First Claim
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1. An electronic grocery lister, comprising:

  • a central processing unit;

    an electric power source, with an on/off switch;

    a volatile storage device, with a memory that is cleared when the electric power source is turned off;

    a command set containing a program for controlling the grocery lister, using the central processing unit and the volatile storage device;

    a non-volatile storage device, with a memory that is not cleared when the electric power source is turned off, containing standard data sets that may be modified by an user, other information needed by the command set, and help menus for the user, with said standard data sets including a plurality of food and nonfood items and their prices per unit;

    an alphanumeric keypad by which the user may input data and commands;

    a keypad interface controller through which data and commands are transmitted to the central processing unit;

    a grocery list of commonly purchased items permanently affixed to an external surface of the grocery lister, said list including a code number indicated for each of the items, whereby a user can select each of the items from the list by entering its code number through the keypad; and

    a liquid crystal display, whereby the user can see data and commands entered displayed, choose options from menus, and view and edit a grocery list created by selecting from the food and nonfood items, and specifying the quantity for each item, with a capability for calculating and displaying the total price of all the items on the grocery list.

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