Color changer particularly for spotlights and the like

Information

  • Patent Application
  • 20070211468
  • Publication Number
    20070211468
  • Date Filed
    December 21, 2006
    18 years ago
  • Date Published
    September 13, 2007
    17 years ago
Abstract
A color changer, particularly for spotlights, comprising at least one dichroic filter which is adapted to be arranged in front of a light source, a motor for moving the at least one dichroic filter which is adapted to place the dichroic filter at least partially in front of the light source, the color changer further comprising an actuator which is adapted to tilt the dichroic filter with respect to the axis of emission of the light source.
Description

BRIEF DESCRIPTION OF THE DRAWINGS

Further characteristics and advantages of the invention will become better apparent from the description of a preferred but not exclusive embodiment of the color changer according to the present invention, illustrated by way of non-limiting example in the accompanying drawings, wherein:



FIG. 1 is a side view of the color changer according to the invention, associated with a light source;



FIG. 2 is a perspective view of the color changer according to the present invention, showing only one dichroic filter;



FIG. 3 is a side view of the color changer according to the present invention, showing all three dichroic filters;



FIG. 4 is a perspective view of the color changer according to the present invention, showing the three dichroic filters;



FIG. 5 is a schematic view of a possible form of application of the color changer according to the present invention.


Claims
  • 1. A color changer, particularly for spotlights, comprising at least one dichroic filter which is adapted to be arranged in front of a light source, means for moving said at least one dichroic filter which are adapted to place said dichroic filter at least partially in front of said light source, further comprising actuation means which are adapted to tilt said dichroic filter with respect to an axis of emission of said light source.
  • 2. The color changer according to claim 1, comprising three dichroic filters for the three fundamental colors, respective movement means for moving each one of said dichroic filters, and said actuation means for at least one of said dichroic filters.
  • 3. The color changer according to claim 1, wherein said means for actuating said at least one dichroic filter at an angle with respect to the axis of emission of the light source comprise a motor.
  • 4. The color changer according to claim 1, wherein said means for moving said at least one dichroic filter with respect to the axis of emission of said light source comprises a step motor or a DC motor.
  • 5. The color changer according to claim 2, comprising, for each of said three dichroic filters, means for moving the filter and means for actuating said filter at an angle with respect to the axis of emission of said light source.
  • 6. The color changer according to claim 1, wherein said actuation means adapted to tilt said at least one dichroic filter are adapted to tilt said filter in any spatial plane.
  • 7. A spotlight, comprising a color changer according to claim 1.
Priority Claims (1)
Number Date Country Kind
MI2006A000428 Mar 2006 IT national