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Foveon Inc patents


Recent patent applications related to Foveon Inc. Foveon Inc is listed as an Agent/Assignee. Note: Foveon Inc may have other listings under different names/spellings. We're not affiliated with Foveon Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Foveon Inc-related inventors


Column line clamp circuit

In an imaging array having a plurality of pixel sensors arranged in a plurality of rows and columns, pixel data being read out on column lines of the array, a column line voltage clamp circuit for column lines of the array includes a master voltage clamp circuit coupled to provide a reference voltage clamp level on a reference node, and a slave voltage clamp circuit coupled to each column line in the imaging array, each slave voltage clamp circuit configured to clamp voltage on the column line to a column voltage clamp level derived from the reference voltage level.. . ... Foveon Inc

Electronically controlled graduated density filters in stacked image sensors

In a digital camera having an imaging array including a plurality of pixels arranged in rows and columns, the digital camera having a mechanical shutter, a method for performing neutral density filtering of images captured by the imaging array, the method comprising opening the mechanical shutter, operating each row in the array by resetting all of the pixel sensors in the row, starting exposure for all of the pixel sensors in the row, closing the mechanical shutter, reading pixel values from the pixels in the array after the mechanical shutter has closed at a time unrelated to a time at which any pixel-select signal was de-asserted, and wherein the interval of time between starting exposure for all of the pixel sensors in the row and closing the mechanical shutter for each row a function of a neutral density filter function applied to an image to be captured.. . ... Foveon Inc








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