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Power efficient image sensing apparatus, method of operating the same and eye/gaze tracking system

  • US 9,509,910 B2
  • Filed: 04/10/2014
  • Issued: 11/29/2016
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
First Claim
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1. An image sensing apparatus comprising:

  • a light sensitive area configured to register image data in response to an incoming amount of light, the light sensitive area being operable in an active mode wherein image data can be read out there from and a standby mode wherein image data cannot be read out; and

    a control unit configured to produce a control signal for setting the light sensitive area in the active mode and the standby mode respectively, said control unit configured to produce the control signal such that the light sensitive area operates in the active mode and the standby mode in a cyclic manner during an operation period, wherein the operation period extends over at least two capture times during which the light sensitive area operates in the active mode, separated by a respective delay period during which the light sensitive area operates in the standby mode.

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