Television – Camera – system and detail – Optics
Reexamination Certificate
2011-05-24
2011-05-24
Ometz, David L (Department: 2622)
Television
Camera, system and detail
Optics
C348S335000, C348S373000, C348S374000, C015S001510, C396S357000
Reexamination Certificate
active
07948552
ABSTRACT:
An image pickup apparatus which can remove a dust stuck to a surface of an optical member such as a cover glass or an optical filter without damaging the surface of the optical member, and which can take a good image without imaging shadows of the dust stuck to the surface of the optical member. An image pickup apparatus comprises an optical element, an image pickup device, and a drive unit. The drive unit applies voltage to a non-uniform electric field generating device and moving the non-uniform electric field generating device to scan an optical incidence plane of the optical element.
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Bemben Richard
Canon Kabushiki Kaisha
Ometz David L
Rossi Kimms & McDowell LLP
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