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. 05, 2005
Filed:
May. 28, 2004
Applicants:
Eon Pyo Hong, Seoul, KR;
Kyeong Bae Park, Seoul, KR;
Tae Hee Kwak, Inchun-si, KR;
Ki Chul Choi, Seoul, KR;
Inventors:
Eon Pyo Hong, Seoul, KR;
Kyeong Bae Park, Seoul, KR;
Tae Hee Kwak, Inchun-si, KR;
Ki Chul Choi, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K041/00 ;
U.S. Cl.
CPC ...
Abstract
A linear motor having a reduced size, and capable of being manufactured at reduced cost and having improved efficiency is provided. The linear motor includes a bobbin, a plurality of coil groups wound on the bobbin, the coil groups have different coil thickness, and a magnet linearly movable due to a magnetic field generated by the coil groups.