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US 6,549,324 B2Granted
Trimmer iris for use with a digitally shape-controlled lighting system
AssigneeLight and Sound Design Ltd.
InventorNigel Evans
Life of this patent
Estimating the term…
Abstract
A variable diameter iris is used to change the pass gate of a shaped image produced by a digital mirror device.
Claims39
An apparatus, comprising:
- a lighting system, including a pixel level controllable device, which is electronically controllable to produce a light beam having a variable light shapes and sizes;
- and
- a controllable aperture device, which is controllable to have different apertures of light passing, placed within a path of said light beam, and controlled to have different apertures based on said different light shapes and light size.
An apparatus, comprising:
- a lighting system, including a pixel level controllable device, which is electronically controllable to produce a light beam having a variable light shapes and sizes;
- and
- a controllable aperture device, which is controllable to have different apertures of light passing, placed within a path of said light beam, and controlled to have different apertures based on said different light shapes and light size, wherein said controllable aperture device includes an iris having a driven piece whose position determines an open diameter of said iris, and wherein said driven piece includes a bearing surface, and an extending driven part extending from said bearing surface.
An apparatus, comprising:
- a pixel level controllable device;
- a processor, forming images used for controlling said pixel level controllable device, to automatically calculate a maximum outer size of said images;
- and
- a variable diameter part, controlled based on said maximum outer size of an image that is calculated by said processor.
1 more element
An apparatus, comprising:
- a pixel level controllable device;
- a processor, forming images used for controlling said pixel level controllable device, to automatically calculate a maximum outer size of said images;
- and
- a variable diameter part, controlled based on said maximum outer size of an image that is calculated by said processor said variable diameter part including an iris, which has a part that is rotated to change the variable diameter, and wherein said iris includes a movable part, that is moved to change a passing diameter of said iris, an outer bearing surface, and an extending part extending from said an outer bearing surface and connected to said movable part, said extending part including a shoulder part pressing again said bearing surface.
1 more element
A lighting apparatus, comprising:
- a lighting system, including a processor, programmed to produce information about a plurality of different light shapes, a digital mirror device, controlled by said processor to produce a reflection pattern indicative of a selected one of said light shapes, and a lighting element, producing a light beam which is shaped by said digital mirror device, said processor automatically determining an outer size of a light shape which is selected, and producing a signal that automatically controls said iris based on said size;
- and
- an electronically controllable iris device, controlled to pass a variable diameter of light based on an applied electronic control signal.
A lighting apparatus, comprising:
- a lighting system, including a processor, programmed to produce information about a plurality of different light shapes, a digital mirror device, controlled by said processor to produce a reflection pattern indicative of a selected one of said light shapes, and a lighting element, producing a light beam which is shaped by said digital mirror device;
- and
- an electronically controllable iris device, controlled to pass a variable diameter of light based on an applied electronic control signal, said iris device including a part that is rotated to change a diameter of light that is passed by said iris, wherein said part that is rotated includes an extending part, pressing against a bearing surface associated with said iris, and is rotated while pressing again said bearing surface, to change said diameter of light.
A method, comprising:
- electronically forming an image to be used to shape the beam of light;
- and
- forming a variable diameter passing gate, based on a size of said image.
A method, comprising:
- forming a beam of light;
- shaping said beam of light using a pixel level controllable digitally-controllable device, based on a control signal, to form a shaped beam of light;
- and
- truncating a variable portion of said shaped beam of light, based on a shape of the shaped beam of light.
1 more element
An iris, comprising:
- a variable diameter part, which provides a variable diameter gate based on a position of a moving part;
- an extending portion, attached to said moving part;
- a bearing surface, which is fixed relative to said variable diameter part;
- and
- a spring biasing portion, providing spring force between said extending portion and said bearing surface.
2 more elements
Dependencies are inferred from the claim text.