Photography – Camera detail – Lens mount
Reexamination Certificate
2007-07-28
2010-12-14
Fuller, Rodney E (Department: 2862)
Photography
Camera detail
Lens mount
C348S360000
Reexamination Certificate
active
07850376
ABSTRACT:
An image pickup apparatus which is capable of effectively removing dust attached to an optical member due to mounting/removing of a photographic lens in a power-off state, to thereby prevent degradation of image quality. In the image pickup apparatus, when position information of a contact brush that moves in a manner interlocked with mounting/removing of the photographic lens differs immediately after execution of power-on operation from position information obtained immediately after execution of power-off operation, it is determined that photographic lens mounting/removing operation was carried out during power-off, and a camera microcomputer outputs a warning advising cleaning of the optical member.
REFERENCES:
patent: 6683652 (2004-01-01), Ohkawara et al.
patent: 6791608 (2004-09-01), Miyazawa
patent: 2003/0173203 (2003-09-01), Miki
patent: 2004/0202464 (2004-10-01), Miyasaka et al.
patent: 2007/0166026 (2007-07-01), Matsuzawa et al.
patent: 2000-125152 (2000-04-01), None
patent: 2003-272474 (2003-09-01), None
patent: 2003-330082 (2003-11-01), None
patent: 2004-032191 (2004-01-01), None
patent: 2004-341265 (2004-12-01), None
Translation of JP Publication No. 2000-125152; Image Pickup Device; Yasuyuki Ikeda; Publication Date: Apr. 28, 2000.
Translation of JP Publication No. 2003-319219; Electronic Camera; Yoichi Sawachi; Publication Date: Nov. 7, 2003.
Canon Kabushiki Kaisha
Chang Fang-Chi
Fuller Rodney E
Rossi Kimms & McDowell LLP
LandOfFree
Image pickup apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image pickup apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image pickup apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4197691