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:
Mar. 22, 2022
Filed:
Sep. 17, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Eriko Uchida, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electric apparatus for controlling movement of an object detects the movement of the object, and estimates a control quantity for performing first feedback control for the object in a first period, based on a detection signal. The apparatus further generates, based on the detection signal, a timing signal for estimating a state quantity of the object in order to perform second feedback control for the object in a second period shorter than the first period, estimates the state quantity based on the timing signal, generates a first operation quantity for the first feedback control based on the control quantity, generates a second operation quantity for the second feedback control based on the state quantity, and generates an operation quantity of the object from the first operation quantity and the second operation quantity.