Curved band-pass filter

Details Curved band-pass filter Curved band-pass filter

2006-07-05

2009-11-24

Lee, Diane I (Department: 2851)

Optics: image projectors

Color filter

C353S055000, C362S166000, C362S293000, C362S510000

Reexamination Certificate

active

07621646

ABSTRACT:
An apparatus includes an electromagnetic radiation source, a reflector about the source having an aperture and a curved band pass filter at least partially across the aperture.

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