×

Order entry system including an interactive menu display

  • US 4,638,312 A
  • Filed: 10/25/1985
  • Issued: 01/20/1987
  • Est. Priority Date: 10/25/1985
  • Status: Expired due to Term
First Claim
Patent Images

1. A data entry system comprising:

  • a display having data entry elements and control elements positioned on said display and lighting means to light up said data entry and control elements when selected;

    each said data entry element and control element having a detector associated therewith;

    said display also having a first display area for indicating parameters such as the number of units of said data entry elements selected;

    an aiming selector having means for emitting first and second light signals directed at said data entry and control elements which are to be selected;

    control means for controlling the operation of said data entry system;

    said control means including means coupled to said detectors for producing first and second outputs in response to said first light signals and said second light signals, respectively, falling on said detectors;

    said first output being used by said control means and said lighting means to give a first indication that said aiming selector is directed to a particular one of said data entry or control elements, and said second output being used by said control means and said lighting means to give a second indication that said particular one of said data entry or control elements is selected for entry into said data entry system.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×