A Multi-PAR Lamp Luminaire for Light Projection

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The properties of the sealed-beam types of tungsten-filament lamps are utilized in a luminaire, the characteristics of which include: substantially higher peak beam candlepower at narrower beam spreads than have been reported for tungsten-filament spotlights of comparable wattage; oval or approximately rectangular beam patterns of rather precise angular dimensions by the use of refractive plates on or in front of the lamps; a step type of dimming control that does not alter the color temperature of the composite beam. These features and the methods of obtaining them are discussed.
Publication Date: 1959-09-01
DOI: 10.5594/J11013
Link: https://doi.org/10.5594/J11013
Author(s): F. E. Carlson

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F. E. Carlson; A Multi-PAR Lamp Luminaire for Light Projection, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11013

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F. E. Carlson; A Multi-PAR Lamp Luminaire for Light Projection, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11013

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F. E. Carlson; A Multi-PAR Lamp Luminaire for Light Projection, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J11013

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<span class="citation">F. E. Carlson; <cite>A Multi-PAR Lamp Luminaire for Light Projection</cite>, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959. Available at <a href="https://doi.org/10.5594/J11013" target="_blank" rel="noopener">https://doi.org/10.5594/J11013</a></span>

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F. E. Carlson; A Multi-PAR Lamp Luminaire for Light Projection, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959
doi: 10.5594/J11013
url: https://doi.org/10.5594/J11013

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<li>
F. E. Carlson; <cite id="bib-10-5594-j11013">A Multi-PAR Lamp Luminaire for Light Projection</cite>, Journal of the SMPTE ( Volume: 68, Issue: 9, September 1959); SMPTE, 1959
<span class="doi">10.5594/J11013</span>
</li>