Automatic Luminance Distribution Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1998, No. 7, pp. 1–9
Abstract: This paper details a method of automatically aligning high intensity xenon lamps, in three motorized axes within lamp-house reflectors, to optimize luminance distribution on motion picture screens. The existing methods of adjusting luminance distribution, “visual” or “spot-metering”, are highly operator dependant and often produce less than optimum results. In addition, the somewhat tedious process of “spot-metering” often leads to a compromise in lamp alignment, between “flat” & “scope” formats, being used. The automatic method of alignment, detailed within this paper, incorporates solid state electronics and CCD optics to provide quick, repeatable and optimal luminance distribution in any format and includes compensation for the vertical angle between the projector to screen light path and the screen to audience light path.
Publication Date: 1998-10-01
DOI: 10.5594/M00289
Link: https://doi.org/10.5594/M00289
Author(s): Mark C RegelChristie Incorporated 10550 Camden Drive Cypress CA 90630
Copyright: © 1998 Society of Motion Picture and Television Engineers, Inc.

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Mark C Regel; Automatic Luminance Distribution Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Meetings and Conferences ( October 1998); SMPTE, 1998. Available at https://doi.org/10.5594/M00289

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Mark C Regel; Automatic Luminance Distribution Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Meetings and Conferences ( October 1998); SMPTE, 1998. Available at https://doi.org/10.5594/M00289

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<span class="citation">Mark C Regel; <cite>Automatic Luminance Distribution Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection</cite>, SMPTE Meetings and Conferences ( October 1998); SMPTE, 1998. Available at <a href="https://doi.org/10.5594/M00289" target="_blank" rel="noopener">https://doi.org/10.5594/M00289</a></span>

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<li>
Mark C Regel; <cite id="bib-10-5594-m00289">Automatic Luminance Distribution Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection</cite>, SMPTE Meetings and Conferences ( October 1998); SMPTE, 1998
<span class="doi">10.5594/M00289</span>
</li>