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:
Aug. 20, 2024
Filed:
Oct. 20, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Mitsuharu Ezawa, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A transport apparatus comprises: a stator including a plurality of coils arranged along a first direction; and a mover including a first magnet group having a plurality of magnets arranged along the first direction, the plurality of magnets arranged to face the plurality of coils in a second direction crossing the first direction, wherein the mover is driven toward the first direction by a magnetic force generated between the magnets and the coils, wherein the stator includes a first region in which the plurality of coils is arranged at given intervals and a second region adjacent to the first region, and wherein a magnetic compensator is arranged in the second region for compensating changes in magnetic energy distribution characteristics formed by the magnets and the coils in the first region.