Abstract: Scanners, methods, and computer storage media having computer-executable instructions embodied thereon that process variable sized objects with high package pitch on a moving conveyor belt are provided. The scanners are laser scanners that include at least two laser diodes, sensors, and field programmable gate arrays processors. The at least two laser diodes have different focuses. Each diode generates a laser beam when excited by an activation signal and an appropriate modulation. The sensors within the laser scanner device measure light reflected from a target on the objects. The processors toggle activation among the at least two laser diodes based on measurements sensed from the light reflected from the target.

Abstract: Disclosed is a linear barcode scanning system and associated methods for reading a linear barcode borne by an item during transport of the item along a direction of transport by a transport system. A displacement between consecutive scanline samples is determined based on movement imparted to the item from an item-transport system. Image data representing an area of the linear barcode located between positions of the linear barcode corresponding to the consecutive scanline samples is synthesized by quantizing a portion of a first one of the consecutive scanline samples and extending the quantized portion along a direction of the displacement to provide for a depiction of the area of the linear barcode.