An apparatus comprising: a sensor array having rows of pixels which are exposed to symbol indicia, wherein the sensor array generates a sync signal; an aiming pattern generator for producing an aiming pattern superimposed on the symbol indicia; a processor which utilizes the sync signal to control the...http://www.google.de/patents/US20070241195?utm_source=gb-gplus-sharePatent US20070241195 - Optical reading device with programmable LED control
