Flat field scanning system

Details Flat field scanning system Flat field scanning system

1974-12-11

1977-02-01

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358208, H04N 102

Patent

active

040062996

ABSTRACT:
A scanning system is provided which uses directed light from a scanning element, which directed light is reflected from a curved reflective surface for scanning across a medium with a planar object surface. The scanning element includes a planar reflective facet, such as the planar mirrored surface of a galvanometer, which scans the light across the curved reflective surface in a direction normal to its axis of curvature. To provide a linear focal line, the planar surface is tilted from its optical axis by a first angle and is off-set for rotation about an axis at a second angle from an optical axis orthogonal to the optical axis of the curved surface.

REFERENCES:
patent: 2971695 (1961-02-01), Sick

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