Rotary mirror system

Details Rotary mirror system Rotary mirror system

1993-11-24

1995-07-04

Shafer, Ricky D.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359200, 359211, 359834, 250236, G02B 2608

Patent

active

054305713

ABSTRACT:
A rotary mirror system for angularly deflecting a light beam including an air bearing arrangement rotatably supporting a mirror body on which one or more mirror facets are provided, the mirror body being the rotor of an electric motor, wherein the mirror facets are the side surfaces of an internal pyramid or frusto-pyramid formed in and opening towards one axial end surface of the mirror body and having an axis of symmetry coinciding with the rotational axis (A) of the mirror body, the orientation of the mirror facets, relative to the incoming light beam, being such that the reflected beam leaves the internal pyramid at an inclined angle with respect to the rotational axis (A).

REFERENCES:
patent: 4475787 (1984-10-01), Starkweather
patent: 4662709 (1987-05-01), Brueggemann
patent: 4772136 (1988-09-01), Carter
patent: 5171984 (1992-12-01), van Rosmalen

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