Computerized Process and Printer Control Part II: Printer Control

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: In laboratory printing of color motion-picture film, the most critical factor in controlling light exposure is the intensity of each of the three primary colors; continuous monitoring and correction are needed. A printer control system is described which can utilize the mass of data obtained from the densitometric tests that are routinely prescribed. In this system, an analog/digital converter and an IBM System/7 process control computer are used to convert into adjustment values density information which has been read from control strips by a densitometer. The computer solves a matrix equation relating density and trim and automatically prints out the trim and voltage corrections needed on the film printing machines. Interlayer effects are taken into account, and sample densities are automatically compared to laboratory reference densities. Both accuracy and reliability of printer control are improved.
Publication Date: 1973-08-01
DOI: 10.5594/J13466
Link: https://doi.org/10.5594/J13466
Author(s): Manfred G. Michelson, Fred J. Scobey

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Manfred G. Michelson and Fred J. Scobey; Computerized Process and Printer Control Part II: Printer Control, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13466

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Manfred G. Michelson and Fred J. Scobey; Computerized Process and Printer Control Part II: Printer Control, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13466

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<span class="citation">Manfred G. Michelson and Fred J. Scobey; <cite>Computerized Process and Printer Control Part II: Printer Control</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J13466" target="_blank" rel="noopener">https://doi.org/10.5594/J13466</a></span>

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Manfred G. Michelson and Fred J. Scobey; <cite id="bib-10-5594-j13466">Computerized Process and Printer Control Part II: Printer Control</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973
<span class="doi">10.5594/J13466</span>
</li>