Two-dimensional optical scanning system

Details Two-dimensional optical scanning system Two-dimensional optical scanning system

1989-09-05

1992-06-09

LaRoche, Eugene R.

Optical: systems and elements

Optical modulator

Light wave directional modulation

359305, 258201, G02B 2608, G02F 129, G02F 133

Patent

active

051212471

ABSTRACT:
A two-dimensional optical scanning system two fine-optical deflectors for a stepwise and fine deflection of a laser beam in two directions perpendicular to each other, whereby a fine scan zone can be stepwise scanned by the laser beam at a fine deflection distance. The optical scanning system also may have two coarse-optical deflectors for a stepwise and coarse deflection of the laser beam, whereby a coarse scan area can be scanned by the laser beam, the fine scan zone being encompassed by the coarse scan area at a coarse deflection distance, the fine zone being encompassed by the coarse scan area.

REFERENCES:
patent: 3713721 (1973-01-01), Watson
patent: 4611245 (1986-09-01), Trias
patent: 4753498 (1988-06-01), Saitoh et al.

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