Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 27, 2011
Patent Application Number
12178329
Date Filed
July 23, 2008
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An imaging sensor having sensitivity at the single-photon level is disclosed. The sensor comprises an array of pixels, each of which comprises a negative-feedback avalanche diode and a read-out circuit that includes a counter. The counter keeps track of the number of photons detected by the diode during a given time period.
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