PERSON COUNTING DEVICE FOR A LIFT

People counting device for an elevator car for determining a person entering or leaving the car, having a presence sensor at the entrance of the car for detecting the presence of a person in the region of the entrance or the passage of a person through the entrance and for outputting a detection signal in the event of presence or passage, having an accelerometer on the car, for detecting the vertical acceleration of the car and for outputting positive and negative acceleration values in relation to the upwards direction of movement of the car, and having an evaluation device that is designed, upon receipt of the detection signal, to receive a series of current acceleration values for a certain duration and to analyze whether one of the acceleration values or the motion profile resulting therefrom exceeds an upper threshold value or falls below a lower threshold value.