A device for detecting a soiling of a transparent cover of at least one transmitting window and/or one receiving window of an optical sensor. The device includes at least one hologram structure, an image sensor, and a processing unit. The at least one hologram structure is designed to at least partially deflect light beams incident through the transparent cover, or light beams reflected by an inner side of the transparent cover, in the direction of the image sensor. The image sensor is designed to detect at least one image signal as a function of the deflected light beams, and the processing unit is designed to detect a soiling of the transparent cover as a function of the at least one detected image signal. An optical sensor including the device, and a method for detecting a soiling of the transparent cover, are also described.
VORRICHTUNG, AUSGEBILDET ZUR ERKENNUNG EINER VERSCHMUTZUNG WENIGSTENS EINES SENDEFENSTERS UND/ODER EINES EMPFANGSFENSTERS EINES SENSORS
DEVICE DESIGNED TO DETECT SOILING OF AT LEAST ONE TRANSMITTING WINDOW AND/OR ONE RECEIVING WINDOW OF A SENSOR
DISPOSITIF CONÇU POUR DÉTECTER L'ENCRASSEMENT D'AU MOINS UNE FENÊTRE D'ÉMISSION ET/OU UNE FENÊTRE DE RÉCEPTION D'UN CAPTEUR
2021-04-14
Patent
Elektronische Ressource
Deutsch
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G01S RADIO DIRECTION-FINDING , Funkpeilung / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
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