Patent ID: 7391013

Claim:
A scanning beam device comprising: a drive assembly; a scanning element coupled to the drive assembly so that the scanning element moves and light emitted from the moving scanning element scans laterally; a housing that surrounds the drive assembly and the scanning element; one or more detectors positioned within the housing and spaced from the scanning element; and an optical assembly spaced from the scanning element and disposed substantially at a distal end of the housing assembly, the optical assembly adapted to receive light directly from the moving scanning element and direct light from the scanning element to a target area distal of the optical assembly and the optical assembly comprising a lens having a modified surface such that the optical assembly is adapted to direct at least a portion of light reflected from the target area to the one or more detectors, the optical assembly comprising at least one component adapted to both direct light emitted from the scanning element toward the target area and direct light reflected from the target area toward the one or more detectors.