Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2008-04-09
2011-12-20
Dougherty, Thomas M (Department: 2837)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S311000
Reexamination Certificate
active
08080917
ABSTRACT:
A driving apparatus, which drives an object, includes a plurality of piezoelectric elements configured to drive a plurality of portions of the object, a plurality of voltage apply units configured to apply voltages to the plurality of piezoelectric elements, and a control unit configured to control the plurality of voltage apply units so that differences among the voltages applied to the plurality of piezoelectric elements do not exceed a predetermined value.
REFERENCES:
patent: 5479062 (1995-12-01), Yoshino
patent: 6647764 (2003-11-01), Paul et al.
patent: 7176609 (2007-02-01), Takeuchi et al.
patent: 7336026 (2008-02-01), Takeuchi et al.
patent: 7379037 (2008-05-01), Takeuchi et al.
patent: 7474060 (2009-01-01), Takeuchi et al.
patent: 7528539 (2009-05-01), Ohwada et al.
patent: 2001/0032058 (2001-10-01), Rueger et al.
patent: 2004/0140857 (2004-07-01), Ogiso
patent: 2004/0189548 (2004-09-01), Takeuchi et al.
patent: 2004/0256995 (2004-12-01), Takeuchi et al.
patent: 2005/0073232 (2005-04-01), Takeuchi et al.
patent: 2005/0073234 (2005-04-01), Takeuchi et al.
patent: 2005/0073235 (2005-04-01), Takeuchi et al.
patent: 2005/0073790 (2005-04-01), Takeuchi et al.
patent: 2005/0116603 (2005-06-01), Takeuchi et al.
patent: 2005/0280346 (2005-12-01), Takeuchi et al.
patent: 2006/0012937 (2006-01-01), Watanabe et al.
patent: 2006/0175929 (2006-08-01), Sawada et al.
patent: 2007/0029896 (2007-02-01), Ha et al.
patent: 2007/0200455 (2007-08-01), Yamaguchi
patent: 2008/0238249 (2008-10-01), Takahashi et al.
patent: 1 463 021 (2004-09-01), None
patent: 5-152635 (1993-06-01), None
patent: 2004-310059 (2004-11-01), None
patent: 2005-175271 (2005-06-01), None
patent: 10-0653673 (2006-12-01), None
Korean Office Action dated Feb. 2, 2010, issued in corresponding Korean patent application No. 10-2008-0035870.
Canon Kabushiki Kaisha
Dougherty Thomas M
Fitzpatrick ,Cella, Harper & Scinto
Gordon Bryan P
LandOfFree
Driving apparatus, holding apparatus, exposure 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 Driving apparatus, holding apparatus, exposure apparatus,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driving apparatus, holding apparatus, exposure apparatus,... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4312371