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Camera with multiple viewfinders

  • US 8,154,625 B2
  • Filed: 04/02/2007
  • Issued: 04/10/2012
  • Est. Priority Date: 04/02/2007
  • Status: Active Grant
First Claim
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1. A method for controlling the display of a portable electronic device having a user input device and a camera function;

  • the portable electronic device including a photosensor chip having a sensor array of a predetermined number of rows and columns of pixels for converting radiant energy into electronic signals at a first frame rate for representing an image for display via a viewfinder;

    the method comprising;

    operating at a zoom level and viewfinder resolution for the camera application, the viewfinder comprising at least two viewfinder resolutions;

    when the zoom level is 1×

    , scaling the predetermined number of rows and columns of pixels to the viewfinder resolution and generating an image corresponding thereto; and

    when the zoom level is greater than 1×

    ;

    cropping a region of interest of the predetermined number of rows and columns of pixels in accordance with the zoom level;

    scaling the cropped region of interest to the viewfinder resolution and;

    generating an image with at least one of a higher frame rate and greater digital zoom when said viewfinder resolution is smaller than the largest viewfinder resolution.

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