Hand-held optical character recognition wand with visual aligner
Hand/eye calibration method using projective invariant shape...
High energy laser pointing and tracking system utilizing beam an
High frequency reflector alignment method
High precision GPS/RTK and laser machine control
High precision optical alignment system
High resolution alignment technique and apparatus
Holographic angle sensor
Holographic field lens detector
Horizon indicating device for marine sextant
Horizontal position detecting device
Hub alignment
Hybrid orthogonal localization and orientation system