Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2005-08-31
2010-06-01
Nguyen, Hau H (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S591000, C345S593000
Reexamination Certificate
active
07728845
ABSTRACT:
Color calibration of color image rendering devices, such as large color displays, which operate by either projection or emission of images, utilize internal color measurement instrument or external color measurement modules locatable on a wall or speaker. A dual use camera is provided for a portable or laptop computer, or a cellular phone, handset, personal digital assistant or other handheld device with a digital camera, in which one of the camera or a display is movable with respect to the other to enable the camera in a first mode to capture images of the display for enabling calibration of the display, and in a second mode for capturing image other than of the display. The displays may represent rendering devices for enabling virtual proofing in a network, or may be part of stand-alone systems and apparatuses for color calibration. Improved calibration is also provided for sensing and correcting for non-uniformities of rendering devices, such as color displays, printer, presses, or other color image rendering device.
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Lukacher Kenneth J.
Nguyen Hau H
Rah Color Technologies LLC
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