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US 2014/0196525 A1Published application
Sensor device for detecting moisture on a pane
AssigneeHella KGaA Hueck & Co.
InventorsThomas NIEMANN, Torsten EGGERS
Life of this patent
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Abstract
In a sensor device for detecting moisture on a pane comprising at least one transmitter which emits light which is reflected at the pane and received by at least one receiver, an optical system is provided between the transmitter and the receiver, which brings about a multiple reflection between the pane and the optical system. A particularly good measurement is thereby made possible.
Claims7
A sensor device for detecting moisture on a pane comprising at least one transmitter which emits light which is reflected at the pane and received by at least one receiver,
- wherein an optical system is provided between the transmitter and the receiver, which brings about a multiple reflection between the pane and the optical system,
- wherein the sensor device has a frame which can be fastened to the pane, the optical system extends in an annular shape over the entire frame, and the frame of the sensor device is used for holding further components, in particular a camera.
Dependencies are inferred from the claim text.