Patent ID: 8510170
Filing Date: 2013-08-13
Classification: G06F,G06Q

Abstract:
1. A point of sale (POS) system, comprising: a POS host computer including a power supply, a user interface configured to scan items, and a printer driver configured to dynamically generate primary print commands when the items are scanned; a printer connection card connected to the POS host computer, the printer connection card including a Universal Serial Bus (USB) hub in communication with the POS host computer and having at least one USB connector powered by the power supply from the POS host computer; a primary printer connected to the USB connector, wherein the primary printer is configured to receive power from the power supply and primary print commands through the USB hub from the POS host computer; an auxiliary printer powered by the power supply through the printer connection card and configured to receive auxiliary print commands from a separate host computer, wherein the auxiliary print commands are generated independently of the primary print commands; a sensor configured to generate an indication representing the power drawn by the auxiliary printer when executing a received auxiliary print command; and control logic in communication with the sensor, the control logic configured to: