Patent ID: 7486330
Filing Date: 2009-02-03
Classification: H04N

Abstract:
1. A pickup device comprising: a pickup lens for focusing an image of an object on a focal plane; an externally operable manual focus adjuster, externally operated in a mode of manual focusing, for focusing said pickup lens; an image sensor, disposed on said focal plane, for generating an image signal by photoelectric conversion of said object image; an image display panel for displaying an image according to said image signal; a focus evaluator for evaluating a focus adjusting state of respectively plural partial areas determined by splitting said image display panel; and a display controller for indicating respectively said areas, and for displaying said focus adjusting state of respectively said areas, wherein said focus evaluator includes: a focus evaluation value determiner for determining a focus evaluation value of respectively said areas according to said image signal; an evaluation value memory for storing a preceding focus evaluation value of respectively said areas determined previously; and a controller for comparing said focus evaluation value with said preceding evaluation value read from said evaluation value memory, and for evaluating said focus adjusting state for respectively said areas.