Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 31, 2006
Patent Application Number
11104918
Date Filed
April 13, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and apparatus for generating a code-multiplexed readout value of photocurrents for a photo-detector array of cells are disclosed. Readout values are determined using a multiplexer and current amplifier for each cell and a current-to-voltage converter for each row of cells. The multiplexer multiplexes a photocurrent in an electrical domain for a respective cell using a code and generates electric currents responsive to the photocurrent. The current amplifier amplifies the electric currents. The current-to-voltage converter for each row generates the readout value for that row of the array responsive to the amplified electric currents.
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