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Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974)
[ACTIVE]

A New Photometer for Measuring Screen Brightness

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A new photometer has been designed for the measurement of screen brightness and other photometric parameters relating to projection quality. The photometer is a compact, handheld spot meter with see-through optics and an internal meter visible in the viewfinder. The photometer features a silicon photovoltaic cell and solid-state operational amplifiers for maximum accuracy, stability and repeatability, and a computer-designed glass filter for optimal matching to the spectral response of the human eye. The design, testing and application of the new photometer is described.
Publication Date
1974-09-01
DOI
10.5594/J06928
Link
https://doi.org/10.5594/J06928
Author(s)
Richard A. Walker, James K. Branch
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J06928.json

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Richard A. Walker and James K. Branch; A New Photometer for Measuring Screen Brightness, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J06928
Snippet:
Richard A. Walker and James K. Branch; A New Photometer for Measuring Screen Brightness, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J06928

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Richard A. Walker and James K. Branch; A New Photometer for Measuring Screen Brightness, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974. Available at https://doi.org/10.5594/J06928
Snippet:
<span class="citation">Richard A. Walker and James K. Branch; <cite>A New Photometer for Measuring Screen Brightness</cite>, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974. Available at <a href="https://doi.org/10.5594/J06928" target="_blank" rel="noopener">https://doi.org/10.5594/J06928</a></span>

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Preview:
Richard A. Walker and James K. Branch; A New Photometer for Measuring Screen Brightness, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974
doi: 10.5594/J06928
url: https://doi.org/10.5594/J06928
Snippet:
<li>
Richard A. Walker and James K. Branch; <cite id="bib-10-5594-j06928">A New Photometer for Measuring Screen Brightness</cite>, Journal of the SMPTE ( Volume: 83, Issue: 9, September 1974); SMPTE, 1974
<span class="doi">10.5594/J06928</span>
</li>