Optically Scanning Sensor

Abstract: an optical scanning sensor comprises a transmission unit, a reception unit and an evaluation unit. the transmission unit is configured to emit a transmission signal into a predetermined scanning zone of the sensor. the reception unit is configured to detect a reflected or remitted portion of the transmission signal and to output a corresponding reception signal. furthermore, the evaluation unit is configured to detect at least one object in the scanning zone of the sensor based on the reception signal. the scanning zone comprises a partial zone that differs from the remaining scanning zone by at least one characteristic with respect to the transmission signal, the reception signal and/or the evaluation of the reception signal. the evaluation unit is configured to detect interference influences, which hinder the detection of the object, based on a portion of the reception signal that is associated with the partial zone.

Inventor(s): Patrick STEIN, Markus HAMMES

CPC Classification: G01S17/95 (RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES)

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