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PROGRESSIVE CAPTCHA

  • US 20090113294A1
  • Filed: 10/30/2007
  • Published: 04/30/2009
  • Est. Priority Date: 10/30/2007
  • Status: Abandoned Application
First Claim
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1. A method for validating that a user is a human, the method comprising:

  • displaying a first portion of a captcha image on a display at a first time;

    displaying a second portion of the captcha image on the display at a second time, wherein the second time is subsequent to the first time; and

    accepting the user as human if input from the user matches predefined input corresponding to the captcha image.

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