CPC G01S 15/931 (2013.01) [G01S 7/52004 (2013.01); G01S 15/101 (2013.01); G01S 2015/938 (2013.01)] | 11 Claims |
1. An object detection device comprising:
a transmission and reception unit configured to transmit a transmission wave including an ultrasonic wave having directivity in a direction parallel or substantially parallel to a traveling direction of a movable body, and receive a reflected wave from an object;
a determination unit configured to determine presence or absence of an abnormality based on a predetermined reference distance and a downward distance between the transmission and reception unit and an object present below the transmission and reception unit in a vertical direction, the downward distance being calculated based on a reflected wave of an ultrasonic wave of the transmission wave traveling downward in the vertical direction from the transmission and reception unit; and
an output unit configured to output information regarding the abnormality.
|