Combined modulation schemes for spatial light modulators

Details Combined modulation schemes for spatial light modulators Combined modulation schemes for spatial light modulators

1993-03-29

1995-10-03

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

H01N 121

Patent

active

054556023

ABSTRACT:
A method for gray scale printing combining pulse width modulation and time delay and integration. The data for each printed row is pulse width modulated on a predetermined modulator row. The printed row data is then shifted to the next row on the modulator in the process direction after the completion of all bits of pulse width modulation.

REFERENCES:
patent: 4054797 (1977-10-01), Milton et al.
patent: 4638309 (1987-01-01), Ott
patent: 5132773 (1992-07-01), Gelbart
patent: 5280280 (1994-01-01), Hotto
patent: 5357273 (1994-10-01), Curry

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