Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2008-05-20
2008-05-20
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
Reexamination Certificate
active
07375803
ABSTRACT:
For use with an imaging system, in one aspect, the present invention implements a filter system that provides a precise narrow band pass for IR-NIR wavelengths, while also providing individual dye-type filters that can be disposed above individual RGB pixels to create dedicated red, green, and blue pixel responses. An interference dichotic filter provides a non-critical first pass band that adequately encompassed RGB wavelengths, and provides a more critical IR-NIR pass band for Z-pixels. The individual dye-type filters have individual R, G, B pass band shapes that fall within the interference filter. Preferably a dye-type NIR-IR filter is also in a common optical path with the other filters to contribute to the overall filtering. In a second aspect, the invention provides an RGB-Z system with dynamically updated image renderings to better enable a viewer of the image to acquire a sense of depth.
REFERENCES:
patent: 2004/0239913 (2004-12-01), Kobayashi et al.
patent: 2005/0207044 (2005-09-01), Oon et al.
patent: 2006/0077380 (2006-04-01), Ohtomo et al.
Canesta, Inc.
Canesta, Inc.
Kaufman Michael A.
Ratcliffe Luke D
Tarcza Thomas H.
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