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:
Jun. 23, 2015
Filed:
Aug. 16, 2013
Konica Minolta, Inc., Tokyo, JP;
Kenji Okamoto, Toyokawa, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
A sheet feeder includes an air blower adapted to blow air onto an end face of a stacked sheet bundle to thereby float the sheets of the sheet bundle, a conveying section adapted to convey the uppermost floated sheet, a brightness measuring section adapted to measure brightness of light reflected from the end face of the sheet bundle at two or more points in the height direction of the sheet bundle, a determination unit adapted to determine, based on the brightness of each point measured by the brightness measuring section, whether or not the air blowing amount of the air blower is appropriate, and a controller adapted to control the air blowing amount of the air blower based on the determination of the determination unit.