Peripheral interface device for color recognition

Details Peripheral interface device for color recognition Peripheral interface device for color recognition

2006-12-28

2010-12-07

Geisel, Kara E (Department: 2877)

Optics: measuring and testing

By shade or color

With color transmitting filter

C235S469000

Reexamination Certificate

active

07847942

ABSTRACT:
A peripheral interface device for determining the color of a surface, where the surface color may then be used to determine device position and identify objects. Embodiments provide a device capable of directing different colors of light (e.g., red, green and blue) onto a surface and measuring relative intensities of the reflected colors to determine the color of the surface. The reflection and measurement of each color may be performed separately. Alternatively, composite-colored light may be directed at the surface, which may then be filtered to extract the different colors and enable measurement of their relative intensities. As such, the device can detect regions of a given color and regions of different shades of the same color, which may then be used to determine the position of the device and/or identify an object.

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