Trimmer iris for use with a digitally shape-controlled lighting system
First Claim
Patent Images
1. An apparatus comprising:
- a memory, storing a library of images which are used for gobos to shape projected light, and also storing size information indicative of a size of said image; and
a processor, controlling projecting light in specified shapes based on shapes that are stored in said library; and
a mechanical device which adjusts an amount of light which passes, based on said size information.
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Abstract
An electronic projection device stores a library of images used for gobos, or light shaping devices, to shape the light. Those gobos each have a specified size. A device adjusts the amount of ligth which passes based on the size information about a gobo. The size of the image is automatically determined, and maximize is used to adjust the amount of opening of a mechanical device, such as a motor driven iris. In this way, the motor driven iris can automatically open to a size that is based on the image information.
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Citations
25 Claims
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1. An apparatus comprising:
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a memory, storing a library of images which are used for gobos to shape projected light, and also storing size information indicative of a size of said image; and
a processor, controlling projecting light in specified shapes based on shapes that are stored in said library; and
a mechanical device which adjusts an amount of light which passes, based on said size information. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus, comprising:
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a user interface, selecting an image from a library of images, which are used to control a light beam to be displayed in a size and/or shape based on information in said library of images; and
a processor, responsive to said user interface, operating to select the image, to produce an output signal based on the image, and to produce another output signal which indicates a size of the selected image. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method, comprising:
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obtaining an image for use in shaping a light beam;
automatically determining a size of said image;
using said image to shape said light beam, and using said size to select a size of an output gate which passes said light beam.
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16. A method, comprising:
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obtaining an image for use in shaping a light beam;
obtaining a size required to pass said image;
using said image to shape said light beam, and using said size to select a size of an output gate which passes said light beam; and
wherein said obtaining a size comprises manually entering a size of said image.
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17. A method, comprising:
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obtaining an image for use in shaping a light beam;
obtaining a size required to pass said image;
using said image to shape said light beam, and using said size to select a size of an output gate which passes said light beam; and
wherein said using said size to select a size of an output gate comprises controlling a controllable iris to a size which is expected to pass said image, but to block portions of the light beam outside said image. - View Dependent Claims (18)
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19. A method, comprising:
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obtaining an image for use in shaping a light beam;
obtaining a size required to pass said image;
using said image to shape said light beam, and using said size to select a size of an output gate which passes said light beam; and
initializing said output gate by determining fully closed and fully open positions of said output gate. - View Dependent Claims (20)
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21. A method, comprising:
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selecting a computer file indicative of an image to be used to shape a light beam to be projected;
determining a size of said image; and
reducing projected light which is outside of said size of said image. - View Dependent Claims (22, 23, 24, 25)
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Specification