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:
Apr. 09, 2013
Filed:
May. 27, 2009
Jong-hyon Yi, Yongin-si, KR;
Dane Baang, Suwon-si, KR;
George Chiu, West Lafayette, IN;
Moeed Mukhtar, West Lafayette, IN;
Jong-hyon Yi, Yongin-si, KR;
Dane Baang, Suwon-si, KR;
George Chiu, West Lafayette, IN;
Moeed Mukhtar, West Lafayette, IN;
Samsung Electronics Co., Ltd, Suwon-si, KR;
Purdue Research Foundation, West Lafayette, IN (US);
Abstract
A scanner, an image forming apparatus and a motor control method of the scanner and the image forming apparatus. The motor control method includes scanning a test image formed on a document, calculating an actual speed of a scan head moved by the motor using the scanned test image, calculating a matrix representing a relation between a driving signal to drive the motor and the calculated actual speed of the scan head, and renewing the driving signal using an inverse matrix to the calculated matrix to correct the actual speed of the scan head.