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.:

US 8115580 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 14, 2012

Filed:

Jan. 05, 2009
Applicants:

Cheng NI, Shenzhen, CN;

Ting Qiang Xue, Shenzhen, CN;

Jin Jun Chen, Shenzhen, CN;

Inventors:

Cheng Ni, Shenzhen, CN;

Ting Qiang Xue, Shenzhen, CN;

Jin Jun Chen, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01); H01F 6/00 (2006.01); H01F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic field adjusting device includes a pair of opposing pole plates mounted on respective magnetic field generating sources, forming a magnetic field space; a plurality of shimming plugs movably mounted at the periphery of the pole plates, with each shimming plug being mounted in a radially oriented retaining groove, so as to be moveable in the direction of the retaining groove. Additionally, or alternatively, the circumferences of the magnetic field generating sources are arranged with adjusting bars which can move perpendicular to the pole plates.


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Ni, Cheng. (2012). Magnetic field adjusting device (U.S. Patent No. 8115580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8115580

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