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:
Jul. 08, 2014
Filed:
Apr. 05, 2007
Applicant:
Hyoung-il Kim, Hwaseong-si, KR;
Inventor:
Hyoung-il Kim, Hwaseong-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming device capable of controlling a scanning unit and a method to control the scanning unit, the image forming device including a rate error calculator to calculate a rate error from a difference between a practical rotation rate and a target rate of a motor that drives the scanning unit, a position error calculator to calculate a position error from a difference between a current position and a target position of the motor, and a rate/position controller to output a control pulse to control a rate and a position of the motor by applying the rate error and the position error.