公开(公告)号：US20180165626A1

公开(公告)日：2018-06-14

申请号：US15821449

申请日：2017-11-22

Applicant: Cloverleaf Media, LLC

Inventor： Gordon Davidson ,  Adrian Caminos ,  James Welty ,  Samuel Chen ,  Soul Kounlavong ,  Phong Nguyen

IPC: G06Q10/08 ,  A47F5/00 ,  H05B33/08 ,  H04W4/35

CPC classification number: G06Q10/087 ,  A47F5/0043 ,  A47F10/02 ,  A47F11/10 ,  A47F2010/025 ,  G01F23/00 ,  G01F23/36 ,  G01F23/56 ,  G01N29/00 ,  G06Q10/08 ,  G08B21/182 ,  H04W4/35 ,  H04W4/38 ,  H04W4/80 ,  H05B33/0842

Abstract: A system and method for stock-out detection in a retail environment. The method includes sending, from a reference ultrasound emitter, a reference ultrasound pulse that is at least partially reflected by a retail shelf so as to form a return pulse. The return pulse is received at a reference ultrasound receiver. A reference round-trip-delay (RTD) corresponding to a time period between the sending of the reference pulse and the receiving of the return pulse is determined. A monitoring ultrasound pulse is sent toward the retail shelf and a reflection of the monitoring ultrasound pulse is received. A stock-out condition is determined based upon a comparison of the reference RTD and a monitored RTD associated with the monitoring ultrasound pulse.