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:
Dec. 15, 2015
Filed:
May. 13, 2013
Samsung Electro-mechanics Co., Ltd., Suwon, KR;
Zinitix Co., Ltd, Yongin-si, KR;
Won Seob Oh, Suwon, KR;
Je Hyun Park, Suwon, KR;
Oh Byoung Kwon, Suwon, KR;
Kyoung Won Hyun, Seongnam, KR;
Jung Wook Hwang, Suwon, KR;
Hoon Heo, Suwon, KR;
Hong Soo Jung, Suwon, KR;
Yong Joon Park, Suwon, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
ZINITIX CO., LTD, Yongin-si, KR;
Abstract
An apparatus and a method for driving a voice coil motor (VCM) may include an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the VCM by selecting a path for a driving current applied to the VCM according to the digital signal and controlling a duty of the driving current according to the instruction signal.