Focus correction for a CRT color facsimile system
Applied Optics, Vol. 23, Issue 4, pp. 529-536 (1984)
http://dx.doi.org/10.1364/AO.23.000529
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Abstract
A color facsimile system that prints out individual colors in separate traces does not require an achromatized lens. Focus corrections between individual single-color scan signals can maintain all colors in focus. Rearrangement of the video-signal color-scan sequence or high-speed incremental film transport may be employed instead of moving focus-correcting windows.
© 1984 Optical Society of America
Citation
James R. Jenness, Jr., "Focus correction for a CRT color facsimile system," Appl. Opt. 23, 529-536 (1984)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-23-4-529
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