System and method for measuring light sensor output in an electronic device

A method, an electronic device, and a computer program product for measuring light sensor output in an electronic device. The method includes receiving periodic synchronization signals from a display and generating one or more timing signals based on the received periodic synchronization signals. Th...

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Bibliographische Detailangaben
Hauptverfasser: Eric Hefner, John Gorsica
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method, an electronic device, and a computer program product for measuring light sensor output in an electronic device. The method includes receiving periodic synchronization signals from a display and generating one or more timing signals based on the received periodic synchronization signals. The method further includes tracking a number of timing signals and in response to each timing signal, recording output signals from a light sensor. The output signals correspond to a light level detected by the light sensor. The method further includes accumulating the recorded output signals over a threshold number of timing signals, The method includes determining if a value of the counter is at least equal to or greater than the threshold number. In response to determining that the value of the counter is at least equal to or greater than the threshold number, generating a composite output signal based on the accumulated recorded output signals.