A device for detecting rain on a pane includes a camera (1) and an electrically drivable film (3) that actively emits light (h) as a light sheet (s). The camera and the film are arranged so that the camera can detect an image (i1, i2) of the light sheet that impinges on and is reflected by the pane. The signal detected by the camera correlates with light that has been emitted by the film, and reflected or scattered by the inner face (2.1) or outer face (2.2) of the pane and/or by a raindrop on the outer face of the pane.
Illumination for detecting raindrops on a pane by means of a camera
2017-06-06
Patent
Electronic Resource
English
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 / G01V Geophysik , GEOPHYSICS / G06K Erkennen von Daten , RECOGNITION OF DATA |
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