Patent · US Expired

Method and device for recognizing the level of awareness of a vehicle driver

US7455146B2 · kind B2 · utility

9Cited by
5References
16Claims
0Family size

Inventors

Key dates

Filing dateAug 22, 2003
Grant dateNov 25, 2008
Priority date
Expiry dateJul 19, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/18
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention relates to a method for detecting the attention level of a vehicle operator, wherein a steering performance of the vehicle operator is monitored, as well as to a device (30) for detecting the attention level of a vehicle operator, with at least one sensor device detecting the steering performance of the vehicle and with a signal measurement and evaluation unit (32).According to the method of the invention, a phase relationship between a change of a steering angle (β) of at least one steerable wheel (22) of the vehicle and a change of the steering wheel angle (α) is evaluated. With the device of the invention, at least one signal (48) corresponding to the attention level can be generated, with the signal depending on a phase relationship between a steering angle (β) of at least one steerable wheel (22) of the vehicle and a steering wheel angle (α).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.