Patent ID: 8810412
Filing Date: 2014-08-19
Classification: A61B,B60K,G08B

Abstract:
1. An arrangement to awaken a sleeping operator of a vehicle that is controlled by a person, comprising: a detection part that is configured to measure movements of a steering control device that belongs to the vehicle to which the driver is to have hand contact for controlling steerage of the vehicle, the detection part comprising a movement detector in or on the control device; a calculation circuit configured to compare movements of the control device over time; and an alarm part configured to produce vibrations in surfaces of the control device that are configured for contact with hands of the operator, wherein the calculation circuit is configured to activate the alarm part when no movement of the control device has occurred during a pre-determined period sufficient to indicate that the driver has fallen asleep, wherein all of said detection part, said calculation circuit, and said alarm part are mounted on or are integrated with the control device, wherein the calculation circuit is configured to deactivate the alarm arrangement upon detection of a movement of the control device while the alarm system is activated, and wherein the alarm part is configured to produce vibrations in a direction that is perpendicular to an outer surface of the control device upon which hands of the operator rest during operation.