A method for decoding a decodable symbol using an optical reader having a 2D image sensor that is configured to operate in a partial frame capture operating mode. In a partial frame operating mode, the reader clocks out and captures at least one partial frame of image data having image data corresponding...http://www.google.com/patents/US20070181693?utm_source=gb-gplus-sharePatent US20070181693 - Optical reader having partial frame operating mode