Patent ID: 11869533
Assignee: DR. ING. H. C. F. PORSCHE AG
Field: Medical technology (Instruments)
Classification: CPC A  G  H | IPC G  H

Claim 0:
1. An apparatus for tiredness detection, the apparatus being configured to receive a signal from at least one microphone, to acquire a time characteristic of yawning actions in the signal, and to use an analysis of the time characteristic to detect or not detect a tiredness of the driver from a frequency of yawning, a yawn intensity and/or a temporal compression between successive yawning actions, wherein the apparatus is designed to analyze the signal by extracting paralinguistic traits, in particular a pitch characteristic, a continuity of a tonal characteristic and/or at least one spectral trait, the apparatus being designed to detect a chronological succession of audible inhalation and tonal exhalation in the time characteristic and to determine a result of the analysis on the basis of the chronological succession.