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. 01, 1998
Filed:
Mar. 28, 1996
Mitsutoshi Yagoto, Toyokawa, JP;
Hideyuki Kurahashi, Toyokawa, JP;
Masanori Murakami, Toyohashi, JP;
Katsuhiro Nanba, Okazaki, JP;
Masamitsu Ishiyama, Toyokawa, JP;
Toshikazu Suzuki, Toyokawa, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
The invention is directed to a linear motor and a image reading apparatus. The motor comprises a rod-like stator formed of a magnetizable rod-like member provided by magnetization with a drive field magnet and a plurality of magnet portions providing multiple kinds of position information; a movable piece being movable along said stator and having an armature coil opposed to said field magnet; and a sensor reading the position information from the plurality of magnet portions. The apparatus includes motors such as the foregoing linear motors as drive source for sliders to be driven for scanning a document image.