Patent ID: 8058606

Claim:
An inspection device comprising: a movable portion, the movable portion including: a first bin, having a first light path therethrough; a second bin, having a second light path therethrough; a first beam redirector positioned beside the first bin and in the first light path; a second beam redirector positioned beside the second bin and in the second light path; a third beam redirector positioned between the first and second bin and in the first light path and in the second light path; and a substantially fixed portion, the substantially fixed portion including: a first light emitter positioned to send light to the first beam redirector; a second light emitter positioned to send light to the second beam redirector; and a first detector positioned between the first light emitter and the second light emitter and positioned to receive light from the third beam redirector, the third beam redirector being a beam splitter positioned to direct light from either of the first beam redirector or the second beam redirector to the detector.