System and method for detecting infrared radiation
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United States of America Patent
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Jan 26, 2016
Grant Date -
Jul 3, 2014
app pub date -
Jan 29, 2014
filing date -
Apr 30, 2009
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Abstract
A method for detecting infrared radiation by using an array of bolometers. The following steps are used to read a bolometer of the array of bolometers: biasing the bolometer at a predetermined voltage in order to make current flow through the bolometer; subtracting a common-mode current from the current that flows through the bolometers; and producing a voltage by integrating the difference between the current that flows through the bolometers and the common-mode current.
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