Photography – Having photocell at specific position within camera – With color filter
Reexamination Certificate
2011-02-01
2011-02-01
Blackman, Rochelle-Ann J (Department: 2862)
Photography
Having photocell at specific position within camera
With color filter
C348S342000, C359S722000
Reexamination Certificate
active
07881603
ABSTRACT:
A dichroic filter that for use with an electronic imaging device, such as a camera. The dichroic filter is located in the main imaging lens, and may permit all light to pass through a first portion and be measured by a photosensor, while restricting at least some portions of visible light from passing through a second portion thereof. In this manner, only the non-restricted portions of visible light passing through the second portion may be measured by the associated pixels of the photosensor. The filter may be formed from a first aperture permitting a first set of wavelengths to pass therethrough and a second aperture adjacent the first aperture, the second aperture permitting only a subset of the first set of wavelengths to pass therethrough. The second aperture may be a dichroic mirror or it may be an optical filter of some other type.
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Apple Inc.
Blackman Rochelle-Ann J
Dorsey & Whitney LLP
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