Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 5, 2012
Patent Application Number
13100629
Date Filed
May 4, 2011
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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