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US 8,571,374 B2Granted
Attenuator apparatus
AssigneeSolar Light Company, Inc.
InventorsMichael H. Bonitatibus, Barry E. Barsky
Life of this patent
Estimating the term…
Abstract
Attenuator apparatus for controlling the intensity of radiation including an attenuator having through openings that vary in size to vary the intensity of a beam of radiation passing through the shutter, and means for moving the attenuator to selectively regulate the intensity of the beam of radiation passing through.
Claims2
Attenuator apparatus for controlling the intensity of radiation comprising:
- a spring through which a beam of radiation passes transverse to the axis of said spring;
- and
- means for compressing and expanding said spring along the axis of said spring to selectively regulate the intensity of the beam of radiation passing through said spring.
Attenuator apparatus for controlling the intensity of radiation, said apparatus comprising:
- an attenuator having circular through openings arranged in horizontal rows with the diameters of the openings varying moving along a length of said attenuator;
- and
- means for moving said attenuator to selectively regulate the intensity of the beam of radiation passing therethrough.
Dependencies are inferred from the claim text.