Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate
2008-01-08
2008-01-08
Rutledge, D. (Department: 2851)
Photocopying
Projection printing and copying cameras
Illumination systems or details
C355S071000
Reexamination Certificate
active
07317511
ABSTRACT:
A light modulator for modulating a phase distribution of incident light includes an element that provides the incident light with three or more types of phase differences, wherein the element includes three or more displaceable light reflective bands, and wherein the light modulator has plural pixels each including the element.
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Solgaard et al, “Deformable grating optical modulator”, Optics Letters, vol. 17, No. 9, May 1, 1992, pp. 688-690.
Canon Kabushiki Kaisha
Morgan & Finnegan , LLP
Rutledge D.
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