The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2020
Filed:
Jul. 11, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Jun Sumioka, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/09 (2006.01); G02B 21/26 (2006.01); G03B 3/10 (2006.01); G03B 5/00 (2006.01); G02B 27/64 (2006.01); H02N 2/14 (2006.01); H02N 2/10 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/09 (2013.01); G02B 21/26 (2013.01); G02B 27/646 (2013.01); G03B 3/10 (2013.01); G03B 5/00 (2013.01); H02N 2/142 (2013.01); G03B 2205/0007 (2013.01); G03B 2205/0046 (2013.01); G03B 2205/0061 (2013.01); H02N 2/0015 (2013.01); H02N 2/103 (2013.01);
Abstract
A value obtained by adding an output of a speed feedforward calculation unit that uses a speed calculated from a change over time in an instruction value to a stage downstream from a feedback calculation unit that uses a positional deviation is used as a control amount, and at least one of an elliptic ratio of elliptical motion and a driving direction is controlled.