Device for detecting reduced vigilance condition

The device incorporates a radiation source (3) fixed in a spectacle frame and photodetectors covering the eyelid shadow borderline, wherein said photodetectors (5) are connected with an electro-acoustic transducer (8) via a microprocessor based light exposure level and time analyser (6), situated in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ORZECHOWSKI, JAN, TRZCINSKI, MARCIN, LUKASIK, WLODZIMIERZ, GRONOWSKA, IRENA, LATUSZEK, ANTONI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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