US 12,365,564 B2
Number-of-people information acquisition system, number-of-people information acquisition method, and elevator
Yuta Sukegawa, Tokyo (JP); Takahiro Hatori, Tokyo (JP); Tomoaki Maehara, Tokyo (JP); and Takahiro Okada, Tokyo (JP)
Assigned to Hitachi, Ltd., Tokyo (JP)
Appl. No. 17/297,625
Filed by Hitachi, Ltd., Tokyo (JP)
PCT Filed Nov. 30, 2018, PCT No. PCT/JP2018/044137
§ 371(c)(1), (2) Date May 27, 2021,
PCT Pub. No. WO2020/110279, PCT Pub. Date Jun. 4, 2020.
Prior Publication US 2022/0024717 A1, Jan. 27, 2022
Int. Cl. B66B 1/34 (2006.01); B66B 1/24 (2006.01); G06V 20/52 (2022.01); H04N 7/18 (2006.01)
CPC B66B 1/3476 (2013.01) [B66B 1/2408 (2013.01); B66B 1/3484 (2013.01); G06V 20/53 (2022.01); B66B 2201/222 (2013.01); B66B 2201/23 (2013.01); H04N 7/18 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A number-of-people information acquisition system, comprising:
a camera that captures a measurement target place;
a reception unit that receives an image captured by the camera;
a number-of-people setting unit that calculates a number of people in the measurement target place based on an image received by the receiving unit;
an allocation command unit that allocates a car according to the number of people in the measurement target place calculated by the number-of-people setting unit; and
an abnormality determination unit that determines an abnormality of the camera or a transmission path based on a reception status of an image in the reception unit, wherein
when the abnormality determination unit determines an abnormality, the number-of-people setting unit refers to a detection value of a sensor installed in the car or the measurement target place to calculate the number of people.