Large Studio Backgrounds Projected from Video Sources

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The projection of scenic backgrounds in television studios has not been entirely satisfactory, mainly because of the small (about 6- by 8-ft) size of the picture projected by available equipment. Improved projectors have eliminated certain drawbacks but the light output of equipment used in a conventional manner continues to limit the size of the projected picture. The principle of obtaining more efficient utilization of projected light by placing a projector in an on-axis retroreflective configuration has been known for some time. It has been found that the single-gun, single-lens video projector can be employed in this manner to produce both larger background pictures and provide the versatility of obtaining pictures transmitted via cable from a television camera or video tape playback source.
Publication Date: 1969-10-01
DOI: 10.5594/J10790
Link: https://doi.org/10.5594/J10790
Author(s): Paul F. Wittlig

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Paul F. Wittlig; Large Studio Backgrounds Projected from Video Sources, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J10790

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Paul F. Wittlig; Large Studio Backgrounds Projected from Video Sources, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J10790

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Paul F. Wittlig; Large Studio Backgrounds Projected from Video Sources, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J10790

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<span class="citation">Paul F. Wittlig; <cite>Large Studio Backgrounds Projected from Video Sources</cite>, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969. Available at <a href="https://doi.org/10.5594/J10790" target="_blank" rel="noopener">https://doi.org/10.5594/J10790</a></span>

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Paul F. Wittlig; Large Studio Backgrounds Projected from Video Sources, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969
doi: 10.5594/J10790
url: https://doi.org/10.5594/J10790

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<li>
Paul F. Wittlig; <cite id="bib-10-5594-j10790">Large Studio Backgrounds Projected from Video Sources</cite>, Journal of the SMPTE ( Volume: 78, Issue: 10, October 1969); SMPTE, 1969
<span class="doi">10.5594/J10790</span>
</li>