Patent ID: 8087587

Claim:
An imaging system for an imaging-based bar code reader adapted to image a target bar code within a field of view of the imaging system, the imaging system comprising: a sensor array and an imaging lens assembly defining an imaging lens assembly optical axis and focusing light from the field of view onto the sensor array, the imaging system defining a working range over which a target bar code within the field of view is capable of being imaged and decoded, the working range being subdivided into a near working range and a non-overlapping far working range, the near working range being closer to the imaging lens assembly than the far working range being further from the imaging lens assembly; and an aiming pattern assembly including a laser assembly laterally offset from the imaging lens assembly optical axis, the laser assembly including a first laser light source and a second laser light source, the aiming pattern assembly including a focusing lens defining a focusing lens optical axis and positioned proximate to the laser assembly, the focusing lens focusing the laser light generated by the first laser light source to generate a first aiming pattern traversing along a first beam path and focusing the laser light generated by the second laser light source to generate a second aiming pattern traversing along a second beam path, the first laser light source being aligned with the focusing lens optical axis resulting in the first beam path being substantially parallel to the imaging lens assembly optical axis and the second laser light source being laterally offset from the focusing lens optical axis resulting in the second beam path crossing the imaging lens assembly optical axis in the near working range.