Detection of objects in monitoring area

The invention relates to detection of objects in a monitored area. The invention relates to a photosensor (10) for detecting an object in a monitoring region (18), comprising: a light emitter (12) for emitting at least one light beam (14); a movable deflection unit (16) for periodically scanning the monitoring region (18) with at least one light beam (14); a light receiver (24) for generating a received signal from the light beam (20) diffusely reflected by the object; and a control and evaluation unit (32) which is designed to detect information about objects in the monitoring area (18) from the received signal and to detect glare of the light receiver (24) and to shift to a glare state if the glare obstructs the security detection. In this case, a first phase with glare and a second phase without glare are identified, and whether the glare obstructs the security detection is determined on the basis of the distribution of the first phase and the second phase. 本申请涉及监控区域中对象的检测。给出了一种用于检测监控区域(18)中的对象的光电传感器(10)，具