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IRIS DIFFUSER FOR ADJUSTING LIGHT BEAM PROPERTIES

  • US 20060245184A1
  • Filed: 04/19/2006
  • Published: 11/02/2006
  • Est. Priority Date: 04/29/2005
  • Status: Abandoned Application
First Claim
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1. An aperture mechanism for variably adjusting an output light beam, said aperture mechanism comprising:

  • a plurality of aperture blades;

    a support frame having an opening therein, said support frame configured to receive and support said plurality of aperture blades, wherein said aperture blades are movable within said support frame between a retracted position and an extended position wherein said aperture blades extend across said opening; and

    an actuator adjacent said support frame, said actuator operable to selectively move said plurality of aperture blades between said retracted and extended positions, wherein said aperture blades are at least partially light transmissive.

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