| 摘要 |
According to one embodiment, a microwave sensor that transmits microwaves toward a detection area, performs an object detecting operation based on reflected waves from an object being present in the detection area, and outputs an object detection signal based on a result of the object detecting operation is provided with a detecting operation controller for letting the object detecting operation performed intermittently at a predetermined detection cycle, a random number generator for generating a random number, and a time setting changer for randomly changing time settings of the detection cycle within a predetermined range, based on the random number generated by the random number generating portion.
|
