초록 ▼

A dual laser targeting system is described. At least one pair of lasers is arranged symmetrically about an objective lens in a symbology reader. The lasers project a beam along their respective axis, which, when an optical element is placed in front of the laser, produces multiple beams concentric a

A dual laser targeting system is described. At least one pair of lasers is arranged symmetrically about an objective lens in a symbology reader. The lasers project a beam along their respective axis, which, when an optical element is placed in front of the laser, produces multiple beams concentric about each laser axis. These multiple beams produce a composite pattern that appears to be symmetrical about the optical axis of the objective lens. The resulting targeting pattern includes laser beam spots that frame the field of view (FOV) of the symbology reader, and the laser beam spots on the laser axes frame the optical center of the target.

대표청구항 ▼

What is claimed is: 1. A laser targeting system for positioning a symbology reader having an objective lens with an optical axis for reading a target comprising:a housing for accommodating an objective lens;at least one pair of lasers for projecting beams along axes of the lasers parallel to the obj

What is claimed is: 1. A laser targeting system for positioning a symbology reader having an objective lens with an optical axis for reading a target comprising:a housing for accommodating an objective lens;at least one pair of lasers for projecting beams along axes of the lasers parallel to the objective lens optical axis, the paired lasers being positioned opposite one another on either side of the objective lens and symmetrically about the objective lens such that the axis of each laser and the objective lens optical axis are parallely aligned; andat least one pair of optical elements, each of the optical elements for producing a composite beam pattern having a plurality of beam spots symmetrically positioned about the laser axis, each beam pattern further including a beam spot on the corresponding laser axis, each of the paired optical elements being located at the side of the objective lens and in front of the corresponding laser, and being substantially aligned with the objective lens on the front side of the housing, the composite beam patterns being symmetrical with respect to each other, about the objective lens optical axis and substantially matching the boundary of a field of view of the symbology reader, regardless of the scanning angle of the symbology reader.