×

Drowsiness detector

  • US 20100202658A1
  • Filed: 01/12/2010
  • Published: 08/12/2010
  • Est. Priority Date: 02/09/2009
  • Status: Active Grant
First Claim
Patent Images

1. A drowsiness detector comprising:

  • an eyebrow positioning unit for determining a position of each of at least two horizontally-separate measurement points set on at least one of right and left eyebrows; and

    a detection unit for detecting drowsiness based on a vertical movement of the measurement points.

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