Patent ID: 8443988

Claim:
A retail display system comprising: a pusher, movable for facing retail merchandise; a tone generation module in electrical communication with the pusher and operable to provide an audible tone upon removal of one or more items of merchandise from the retail display system; wherein the tone generation module includes a tone generator and a power source, the power source providing power to the tone generator to generate the audible tone; wherein the tone generation module includes a controller, the controller operable to detect the change of state and selectively apply power to the tone generator to provide the audible tone; further comprising a track, the pusher slidable along the track, wherein the pusher carries the tone generation module; wherein the pusher includes an electrical contact, and the track carries a contact board, the contact board having a first and a second contact strip, wherein the first and second contact strips are aligned with the contact of the pusher in a first position, and at least one of the first and second contact strips are not aligned with the contact in a second position.