LIGHT RECEPTION DEVICE, DISTANCE MEASUREMENT DEVICE, AND LIGHT EMISSION CONTROL METHOD

A light receiving apparatus according to an embodiment includes: a light receiving unit (3) that includes a light receiving element; a light emission control unit (105a) that issues a trigger for causing a light source to emit light; a receiving unit (1150) that receives, from a light source unit (2) that includes the light source, a feedback signal that is output in accordance with a light emission timing at which the light source emits the light; a delay acquiring unit (1160) that acquires delay time of a reception timing at which the feedback signal is received by the receiving unit is delayed relative to an issue timing at which the trigger is issued; and a representative value acquiring unit (1052) that acquires a representative value of a plurality of pieces of the delay time acquired by the delay acquiring unit in accordance with the issue of the triggers issued by the light emission control unit a predetermined number of times.