Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2005-03-22
2005-03-22
Sugarman, Scott J. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000, C430S032000, C204S600000
Reexamination Certificate
active
06870661
ABSTRACT:
An electrophoretic medium comprises a plurality of one or more types of particles suspended in a suspending fluid. The particles include at least one electrically charged, electrophoretically mobile particle capable of translating through the suspending fluid upon application of an electric field to the medium and at least one magnetic particle. A magnet is disposed adjacent the electrophoretic medium to introduce a threshold resistance to magnetic particle movement.
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Morrison Ian D.
Pratt Emily J.
Pullen Anthony Edward
Cole David J.
E Ink Corporation
Sugarman Scott J.
Tra Tuyen
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