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Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949)
[ACTIVE]

Magnetic Device for Cuing Film

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
52, No. 3, pp. 326–332
Abstract
The magnetic cuing device was designed to eliminate the necessity of cutting notches in the edges of motion picture originals used in film printers. The method of magnetic cuing consists in painting a small dot of magnetic material on the edge of the film between two perforation holes. The paint may be placed on either the emulsion or base side of the film and still be detected by the low impedance (50-ohm) magnetic detector. The equipment as designed contains two independent cuing channels, one for controlling printer-light changes and the other for controlling a fade-in or fade-out device which is built in on some printers. A mounting for two extremely small pickup heads has been designed to allow direct replacement of existing notch actuator switches in film printers.
Publication Date
1949-03-01
DOI
10.5594/J12533
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J12533
Author(s)
James A. LarsenAcademy Films, Hollywood, California
Copyright
© 1949 Society of Motion Picture and Television Engineers, Inc.

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James A. Larsen; Magnetic Device for Cuing Film, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J12533
Snippet:
James A. Larsen; Magnetic Device for Cuing Film, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J12533

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James A. Larsen; Magnetic Device for Cuing Film, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J12533
Snippet:
<span class="citation">James A. Larsen; <cite>Magnetic Device for Cuing Film</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949. Available at <a href="https://doi.org/10.5594/J12533" target="_blank" rel="noopener">https://doi.org/10.5594/J12533</a></span>

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Preview:
James A. Larsen; Magnetic Device for Cuing Film, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949
doi: 10.5594/J12533
url: https://doi.org/10.5594/J12533
Snippet:
<li>
James A. Larsen; <cite id="bib-10-5594-j12533">Magnetic Device for Cuing Film</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 52, Issue: 3, March 1949); SMPTE, 1949
<span class="doi">10.5594/J12533</span>
</li>