Two dimensional contact image sensor with frontlighting
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United States of America Patent
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-
Mar 9, 2010
Grant Date -
Feb 5, 2009
app pub date -
Jul 24, 2008
filing date -
Aug 1, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A two-dimensional image sensor is disclosed. The image sensor includes an array of photodetectors directed towards a first side. Emitters directed towards the first side are also provided, with the emitters emitting infrared light when illuminated by ultraviolet light. An ultraviolet light source is provided for illuminating the emitters, and a filter prevents ultraviolet light from illuminating the photodetectors.
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