Patent ID: 9131121
Filing Date: 2015-09-08
Classification: B25J,F16P,G01V,G05B,H04N

Abstract:
1. An intrusion detection device that is configured to execute processes by a processor, the intrusion detection device comprising: a light emitting unit which forms a plurality of light emitting marks arranged on a boundary area between a safety area and an intrusion monitoring area; an imaging device configured to take an image of the boundary area including the plurality of light emitting marks, the imaging device configured to output the image in first through fourth states, wherein a detector configured to detect the exception mark within the image in the third and fourth states, the detector configured to set a masking area corresponding to a shape of the second object existing in the boundary area based on a location of the exception mark, wherein the detector is configured to detect whether the first object is located outside the masking area in the fourth state, and the detector is configured to detect whether the first object is located in any part of the boundary area in the second state.