Beam projector

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means

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Details

350184, 356 8, H04B 900

Patent

active

041004043

ABSTRACT:
A beam projector is provided by a plurality of coded reticles mounted on a spinning disc and illuminated by a laser source. In order to maintain a constant irradiance on a receiver variably located in space a pseudo-zoom assembly is provided including a moveable source and/or condenser optics. Also, plural focal length optics are employed to expand the range over which the constant irradiance is maintained beyond that realizable by the pseudo-zoom assembly itself.

REFERENCES:
patent: 2078586 (1937-04-01), Richter
patent: 3662180 (1972-05-01), Jorgensen et al.
patent: 3704070 (1972-11-01), Johnson et al.

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