Color whiteboard stylus and display

Details Color whiteboard stylus and display Color whiteboard stylus and display

2006-11-28

2006-11-28

Mack, Ricky (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000, C204S600000, C430S032000

Reexamination Certificate

active

07142350

ABSTRACT:
This invention relates to a display device, the device comprising: a transparent surface; a suspension media disposed against the transparent surface; a plurality of color particles disposed throughout the suspension media, wherein each color of particle has a different time response to an applied electric field than each other color of particle; and an input instrument located substantially adjacent to the transparent surface such that the input instrument is operated to cause a portion of the color particles to migrate towards the transparent surface.

REFERENCES:
patent: 6130774 (2000-10-01), Albert et al.
patent: 6177921 (2001-01-01), Comiskey et al.
patent: 6232950 (2001-05-01), Albert et al.
patent: 6831771 (2004-12-01), Ho et al.
patent: 6862016 (2005-03-01), Matsuura et al.
patent: 2002/0075420 (2002-06-01), Zhang et al.
patent: 2006/0020469 (2006-01-01), Rast

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