Television – Camera – system and detail – Camera image stabilization
Reexamination Certificate
2005-12-07
2009-11-10
Jerabek, Kelly L (Department: 2622)
Television
Camera, system and detail
Camera image stabilization
C348S300000, C250S208100
Reexamination Certificate
active
07616231
ABSTRACT:
A CMOS imaging array includes a plurality of individual pixels arranged in rows and columns. Each pixel is constructed the same and includes a photodetector (e.g., photodiode) receiving incident light and generating an output. A first, relatively lower gain, wide dynamic range amplifier circuit is provided responsive to the output of the photodetector. The first circuit is optimized for a linear response to high light level input signals. A second, relatively higher gain, lower dynamic range amplifier circuit is also provided which is responsive to the output of the photodetector. The second circuit is optimized to provide a high signal to noise ratio for low light level input signals. Subtraction of output signals from the amplifier circuits, preferably after gain compensation, can be used to detect moving objects in the scene where the integration times for the two circuits are not the same, e.g., are staggered in time or have a different period.
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Goodrich Corporation
Jerabek Kelly L
McDonnell Boehnen & Hulbert & Berghoff LLP
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