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. 17, 2019
Filed:
Dec. 28, 2017
Kyocera Document Solutions Inc., Osaka, JP;
Shinji Akamatsu, Osaka, JP;
KYOCERA DOCUMENT SOLUTIONS INC., Osaka, JP;
Abstract
An image reading device includes a rotating magnet unit () that rotates in interlock with opening and closing of a document pressing unit () and has a magnetic pole of an N pole and a magnetic pole of a S pole disposed at different phase positions in a rotation direction, a magnetic sensor () having a magnetic detection part () that is installed in a reading unit or a movable body moving in a sub-scanning direction in interlock with the reading unit, and faces a peripheral surface of the rotating magnet unit () only when the reading unit is in a predetermined home position, and a determination unit that determines an opening and closing state of the document pressing unit () and determines whether the reading unit is in the predetermined home position on the basis of an output signal from the magnetic sensor ().