Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate
2006-03-14
2006-03-14
Thompson, Timothy (Department: 2873)
Optical: systems and elements
Lens
With viewed object or viewed field illumination
C359S629000, C359S625000, C359S267000
Reexamination Certificate
active
07012766
ABSTRACT:
An imaging system includes a first off-axis illumination source for providing a first illumination field at a surface of an illumination modulator such that when the modulator is in a first non-activated mode a zero-order reflected illumination field is directed toward a first illumination blocking device, and when the modulator is in a second activated mode one first order reflected illumination field is directed toward an imaging surface while another first order reflected illumination field is directed toward a second illumination blocking device.
REFERENCES:
patent: 6433934 (2002-08-01), Reznichenko et al.
AGfa Corporation
Sabourin Robert A.
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