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Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974)
[ACTIVE]

High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A machine is described which was developed at Bell Laboratories at Holmdel, N.J., in connection with the PICTUREPHONE® program to provide high resolution graphics transmission capability. This particular machine was designed using commercially available components. A low-power, 10-mW, continuous-wave helium cadmium laser is used to scan simultaneously an 8½- by 11-in (21½- by 28-cm) page original and a 24 × reduced image on vesicular diazo heat developable film. A 1400-picture element by 2000–line image, with full gray scale, is transmitted over a 0.5-MHz line in 4 seconds, and developed in less than one second. Each machine is a transmitter-receiver capable of local copy. Applications, operating modes and results are presented.
Publication Date
1974-07-01
DOI
10.5594/J10641
Link
https://doi.org/10.5594/J10641
Author(s)
A. D. Berg, R. J. Cormier, J. S. Courtney-Pratt
Source Data (JSON)

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A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J10641
Snippet:
A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J10641

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A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J10641
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<span class="citation">A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; <cite>High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film</cite>, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974. Available at <a href="https://doi.org/10.5594/J10641" target="_blank" rel="noopener">https://doi.org/10.5594/J10641</a></span>

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Preview:
A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974
doi: 10.5594/J10641
url: https://doi.org/10.5594/J10641
Snippet:
<li>
A. D. Berg, R. J. Cormier, and J. S. Courtney-Pratt; <cite id="bib-10-5594-j10641">High-Resolution Graphics Using a HeCd Laser to Write on Kalvar Film</cite>, Journal of the SMPTE ( Volume: 83, Issue: 7, July 1974); SMPTE, 1974
<span class="doi">10.5594/J10641</span>
</li>