Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate
2007-06-05
2007-06-05
Rutledge, D. (Department: 2851)
Photocopying
Projection printing and copying cameras
Illumination systems or details
C355S071000, C355S117000, C355S117000, C355S117000
Reexamination Certificate
active
10708778
ABSTRACT:
A pattern generating system for generating two-dimensional images on a surface includes a light source and one or more Zone Plate Modulator (ZPM) arrays. The ZPM arrays comprise diffractive zone plate modulating elements that are capable of either diffracting or reflecting an incident light according to the image data. In a high-resolution pattern generating system, ZPM arrays are used as spot array generators. A complete high-resolution image is formed by scanning individual light spots in the spot array using a subfield scanning means.
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