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Electronic scaling ruler

  • US 8,468,705 B2
  • Filed: 07/08/2011
  • Issued: 06/25/2013
  • Est. Priority Date: 07/08/2011
  • Status: Active Grant
First Claim
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1. A method for calculating scaled drawings for standard scale drawings using a ruler comprising:

  • placing a ruler along side of a line on a scaled drawing;

    measuring the line based upon a first set of markings;

    measuring the line based upon a second set of markings;

    entering the result from the first set of markings and the second set of markings into a keypad;

    pressing the desired scaling button with the appropriate scale label;

    outputting a final calculation by;

    taking a set of measurements from the entered result from the first set of markings and the second set of markings; and

    dividing the set of measurements by the scale factor of the scaling button.

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