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. 29, 2015
Filed:
Nov. 09, 2009
Seong-ha Park, Suwon-si, KR;
Chul Park, Seongnam-si, KR;
Seung-jun Kim, Suwon-si, KR;
Joong-wan Park, Suwon-si, KR;
Sung-won Kim, Suwon-si, KR;
Seong-Ha Park, Suwon-si, KR;
Chul Park, Seongnam-si, KR;
Seung-Jun Kim, Suwon-si, KR;
Joong-Wan Park, Suwon-si, KR;
Sung-Won Kim, Suwon-si, KR;
Samsung Electronics Co., Ltd, , KR;
GNC Co., Ltd, , KR;
Abstract
A pattern wheel driver is provided. The pattern wheel driver includes a rotatable pattern wheel with patterned regions repeatedly formed on the pattern wheel. Each of the patterned regions has a plurality of patterns. Each of the plurality of patterns has a different width. The pattern wheel driver also includes a detector for detecting the plurality of patterns, mounted at a position where the patterned regions of the pattern wheel pass when the pattern wheel rotates. The pattern wheel driver also includes an encoder for producing a signal indicating whether the pattern wheel rotates in a forward direction or a reverse direction based on signals produced by the detector.