Single pass scanned laser color printer

Details Single pass scanned laser color printer Single pass scanned laser color printer

1990-09-10

1992-08-18

Fuller, Benjamin R.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Vessel monitoring or inspection

346108, G01D 1510, G01D 1514

Patent

active

051403420

ABSTRACT:
Apparatus for thermal printing of a color image includes a donor member that contains a set of color stripes for each pixel in a repeating pattern in the cross-scan direction and in continuous stripes in the page scan direction. As the printing beam is scanned across the donor, it addresses the sequence of color dyes and if the beam is of sufficient intensity at any one of the color stripes; it causes the dye to transfer to the receiver material. To compensate for variations in the scan rate of the beam, light reflected from the donor member is used to form color timing signals that correspond to the color stripes of the pattern scanned by the beam. The timing signals align the modulation of the beam to the color stripe pattern of the donor member whereby accurate color registration is obtained.

REFERENCES:
patent: 3351948 (1967-11-01), Bonn
patent: 4614950 (1986-09-01), Ito
patent: 4626868 (1986-12-01), Tsai
patent: 4710781 (1987-12-01), Stephenson
patent: 4755831 (1988-06-01), Sakamoto
patent: 4764444 (1988-08-01), Simons et al.
patent: 4804975 (1989-02-01), Yip
patent: 4812354 (1989-03-01), Sugiyama et al.

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