G - Physics – 03 – G
Patent
G - Physics
03
G
G03G 15/04 (2006.01) B41J 2/465 (2006.01) G02B 26/08 (2006.01) G03G 15/043 (2006.01) H04N 1/195 (2006.01)
Patent
CA 2174156
A system 10 for independently illuminating a plurality of areas on an object 26 such as a printer drum is disclosed herein. The system 10 includes a light source 12 such as an LED or a plurality of LEDs. A spatial light modulator 14, which may be a movable mirror device, for receives light from the light source 12 and reflects selected portions of the light. The spatial light modulator 14 includes at least n rows of independently modulated pixels wherein only 1/nth of each the rows can receive and reflect light at any point in time. The light from the spatial light modulator 14 is imaged (e.g., with imaging lens 24) onto rows and columns of the object 26 to be illuminated. The object 26 is illuminated in a way that each column is illuminated by a corresponding row of pixels.
Allen John B.
Kirby Eades Gale Baker
Texas Instruments Incorporated
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