Patent ID: 9488723
Filing Date: 2016-11-08
CPC Classification: G01S,G06Q

Claim Text:
1. A method of controlling a drive-thru operation of a quick-service restaurant (QSR) comprising: detecting using an ultrasonic sensor, when a vehicle enters a drive-thru proximity zone of the QSR and sending a first visible alert upon detection; measuring a plurality of range data of the vehicle entering the drive-thru proximity zone; transmitting, in real time, simultaneously the plurality of range data to a controller device; calculating, in real time, at the controller device, a dwell time of the vehicle based on the plurality of range data; determining at the controller device, in real time, whether the dwell time of the vehicle exceeds a pre-set dwell time threshold, and if the pre-set dwell time is exceeded, sending a second visible alert; transmitting, in real time, the dwell time of the vehicle to a cloud server via internet when the dwell time of the vehicle exceeds a pre-set dwell time threshold; and instructing, in real time, a central station from the cloud server to send an immediate notification message to the QSR when the dwell time of the vehicle exceeds the pre-set threshold.