or
Bookmark and Share
Stepping motor
 
   
Document Number
US Patent 7235911
Issued Date
June 26, 2007
Link
Inventors
Map
Abstract
A stepping motor includes: a magnet; a coil arranged concentrically with the magnet and to be opposed to a magnet, a predetermined clearance being provided between the magnet and the coil; and a magnetic member that surrounds the coil and includes a magnetic pole interposed between the magnet and the coil.
Tags:
Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
Number of Claims:
13
Comments:
no comments yet
Owner
Nidec Copal Corporation (Itabashi-ku, Tokyo,JP)
Published
June 26, 2007
Application Number
10/936,687
Filed
September 9, 2004
US Classification
310/257   310/187 310/49R
Int'l Classification
H02K   1/12   (20060101)  
Examiner
Attorney/Law Firm
Priority Data
Sep 11, 2003 [JP] P.2003-319765
USPTO Field of Search
310/254   310/172   310/187   310/49R   310/49A   310/257   310/258   310/259  
Related Patents
Claims
Description
About| FAQs| Terms & Disclaimer| Link to Us| Contact Us