Patent ID: 9656677
Date: 2017-05-23
CPC Classifications: B60K,B60W,G08B

Claim:
1. A method for ascertaining a variable representing at least an alertness of a driver, the method comprising: identifying the driver; retrieving a profile of the driver, the profile including at least one of: the variable representing at least the alertness of the driver determined in a preceding vehicle operating cycle, or at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle; and ascertaining, for a current vehicle operating cycle, the variable representing at least the alertness of the driver as a function of the at least one of: the variable representing at least the alertness of the driver determined in the preceding vehicle operating cycle, or the at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle.