Television – Camera – system and detail – Optics
Reexamination Certificate
2009-03-23
2011-10-18
Laballe, Clayton E (Department: 2862)
Television
Camera, system and detail
Optics
C396S092000
Reexamination Certificate
active
08040429
ABSTRACT:
An electronic apparatus including a drive mechanism, a signal processing section, an image pickup lens, an image pickup device and a focus control section is described. The drive mechanism changes a position of the image pickup lens relative to the image pickup device. The image pickup device outputs an electric signal of an image at each of a plurality of relative positions. The signal processing section processes the electric signal and generates a digital image signal corresponding to the plurality of relative positions. The focus control section extracts, from the digital image signal, high-frequency components for pixels selected from a focus area set in the image of the digital image signal, calculates a focus evaluation value corresponding to each relative position, identifies a maximum focus evaluation value among the calculated focus evaluation values, and moves the image pickup lens to the relative position that provides the maximum focus evaluation value.
REFERENCES:
patent: 7133078 (2006-11-01), Nagasawa
patent: 7822334 (2010-10-01), Ono et al.
patent: 2005/0001924 (2005-01-01), Honda
patent: 2009/0115882 (2009-05-01), Kawarada
patent: 03-068280 (1991-03-01), None
Kyocera Corporation
Laballe Clayton E
Parker Autumn
Procopio Cory Hargreaves & Savitch LLP
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