- Patent Title: Theatrical instrument with improved subtractive color mixing system
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Application No.: US15653603Application Date: 2017-07-19
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Publication No.: US10260692B2Publication Date: 2019-04-16
- Inventor: Richard S. Belliveau
- Applicant: Richard S. Belliveau
- Agent Walter J. Tencza, Jr.
- Main IPC: F21V9/40
- IPC: F21V9/40 ; A63J17/00 ; F21S10/00 ; F21S10/02 ; F21V14/08 ; G02B26/00 ; H05B37/02 ; F21W131/406

Abstract:
An apparatus for a theatrical lighting instrument including a light source, which emits light in a light path; a lens located in the light path, and which receives light from the light source and projects light from the light source; a computer memory; and a computer processor. The apparatus may also include first pluralities and second pluralities of cyan, magenta and yellow color filters, each filter including a variable density color filter operated upon by a motor configured to traverse each filter in and out of the light path. Each variable density color filter of the first pluralities of filters may include a high saturation color pallet. Each variable density color filter of the second pluralities of filters may include a low saturation color pallet. The computer memory may include software to multiplex the traversing of the first and the second pluralities of filters to one or more control channels.
Public/Granted literature
- US20190024860A1 THEATRICAL INSTRUMENT WITH IMPROVED SUBTRACTIVE COLOR MIXING SYSTEM Public/Granted day:2019-01-24
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