Picture pick-up device and control method thereof

Picture pick-up device and control method thereof

  • CN 101,843,094 B
  • Filed: 10/17/2008
  • Issued: 03/30/2016
  • Est. Priority Date: 10/31/2007
  • Status: Active Grant
First Claim
Patent Images

1. a picture pick-up device, live view display can be carried out, and the display mode that can described live view selected to show from the multiple display modes comprising the first display mode and the second display mode, in described live view display, when to imageing sensor continuous exposure, read picture signal in turn, and show the live view image generated based on read-out picture signal on the display apparatus in turn, described picture pick-up device comprises:

  • Light-metering unit, for periodic measurement subject brightness during described live view display;

    AndAcquiring unit, for obtaining the difference between the image brightness obtained from the conditions of exposure for obtaining described live view image and the subject brightness obtained by described light-metering unit,The feature of described picture pick-up device is also to comprise;

    Change unit, for when the absolute value of described difference is greater than the threshold value corresponding with selected display mode, change the exposure control value of the brightness representing described live view image, thus change the conditions of exposure for obtaining described live view image,Wherein, corresponding with described first display mode threshold value is different from the threshold value corresponding with described second display mode.

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