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SMPTE Journal ( Volume: 109, Issue: 2, February 2000)
[ACTIVE]

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

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE J
Volume
109, No. 2, pp. 118–121
Abstract
This paper details a method of automatically aligning high intensity xenon lamps, in three motorized axes within lamphouse reflectors, to optimize luminance distribution on motion picture screens. The existing methods of adjusting luminance distribution, visual or spot-metering, are highly operator dependent 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 and scope formats being used. The automatic method of alignment, detailed within this paper, incorporates solid-state electronics and charge-coupled device (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
2000-02-01
DOI
10.5594/J04265
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J04265
Author(s)
Mark C. RegelChristie Inc., Cypress, CA 90630
Copyright
© 2000 Society of Motion Picture and Television Engineers, Inc.
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Mark C. Regel; Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000. Available at https://doi.org/10.5594/J04265
Snippet:
Mark C. Regel; Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000. Available at https://doi.org/10.5594/J04265

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Preview:
Mark C. Regel; Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000. Available at https://doi.org/10.5594/J04265
Snippet:
<span class="citation">Mark C. Regel; <cite>Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection</cite>, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000. Available at <a href="https://doi.org/10.5594/J04265" target="_blank" rel="noopener">https://doi.org/10.5594/J04265</a></span>

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Preview:
Mark C. Regel; Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000
doi: 10.5594/J04265
url: https://doi.org/10.5594/J04265
Snippet:
<li>
Mark C. Regel; <cite id="bib-10-5594-j04265">Automatic Luminance Tuning for High Intensity Xenon Lamp Consoles in Motion Picture Film Projection</cite>, SMPTE Journal ( Volume: 109, Issue: 2, February 2000); SMPTE, 2000
<span class="doi">10.5594/J04265</span>
</li>

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