HoloTape®: A Low-Cost Prerecorded Television System Using Holographic Storage

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The RCA HoloTape system is designed to prerecord monochrome and color TV programs on a special tape for later playback over conventional TV receivers and monitors. For color TV programs, the luminance and chrominance signals are converted to a pair of images that are recorded on photoresist-coated plastic tape in the form of “Fraunhofer” holograms. Ways of increasing hologram redundancy and thus decreasing image noise are examined. The process of replicating Holo-Tapes involves recording holograms in a photoresist layer, electroforming a nickel master and thermomechanically embossing the holographic information onto a thermoplastic film. High-quality stereo sound is recorded in a groove near the tape edge using phonograph-record technology. The HoloTape system is naturally compatible with the NTSC, PAL and SECAM color systems. The player consists of only the tape and simple transport, a low-power helium-neon laser, a sound pickup and a TV camera.
Publication Date: 1973-11-01
DOI: 10.5594/J07659
Link: https://doi.org/10.5594/J07659
Author(s): W. J. Hannan, R. E. Flory, M. Lurie, R. J. Ryan

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W. J. Hannan, R. E. Flory, M. Lurie, and R. J. Ryan; HoloTape®: A Low-Cost Prerecorded Television System Using Holographic Storage, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07659

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W. J. Hannan, R. E. Flory, M. Lurie, and R. J. Ryan; HoloTape®: A Low-Cost Prerecorded Television System Using Holographic Storage, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07659

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<span class="citation">W. J. Hannan, R. E. Flory, M. Lurie, and R. J. Ryan; <cite>HoloTape®: A Low-Cost Prerecorded Television System Using Holographic Storage</cite>, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J07659" target="_blank" rel="noopener">https://doi.org/10.5594/J07659</a></span>

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<li>
W. J. Hannan, R. E. Flory, M. Lurie, and R. J. Ryan; <cite id="bib-10-5594-j07659">HoloTape®: A Low-Cost Prerecorded Television System Using Holographic Storage</cite>, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973
<span class="doi">10.5594/J07659</span>
</li>