The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2011
Filed:
Feb. 29, 2008
Kenji Ishida, Nagoya, JP;
Kahori Uchiyama, Nisshin, JP;
Kenji Ishida, Nagoya, JP;
Kahori Uchiyama, Nisshin, JP;
Denso Corporation, Kariya, JP;
Abstract
An apparatus for accurately determining a drowsiness level is provided. A doze prevention system includes a photographic apparatus, a drowsiness determination apparatus, and other apparatuses for doze prevention such as an alarm apparatus, a neck air conditioning apparatus, a seat belt vibrating apparatus, and a brake control apparatus. The photographic apparatus captures a facial image of a driver of a vehicle. The drowsiness determination apparatus determines a drowsiness level based on the facial image. The drowsiness determination apparatus uses a facial image captured by the photographic apparatus, detects a sign of drowsiness or a sign of struggle, and determines the drowsiness level based on the detection results.