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:
Feb. 23, 2016
Filed:
Apr. 10, 2014
Applicant:
Emscan Limited, Kent, GB;
Inventors:
John Vincent Mario McGinley, London, GB;
Mihailo Ristic, London, GB;
Colin Bowden Besant, Buckinghamshire, GB;
Ian Robert Young, Wiltshire, GB;
Assignee:
Emscan Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/06 (2006.01); G01R 33/383 (2006.01); H01F 3/10 (2006.01); H01F 6/04 (2006.01);
U.S. Cl.
CPC ...
H01F 7/06 (2013.01); G01R 33/383 (2013.01); H01F 3/10 (2013.01); H01F 6/04 (2013.01);
Abstract
An electromagnet comprising a ferromagnetic yoke which comprises a yoke. Mutually opposing first and second pole pieces are provided. The first pole piece is provided with a planar coil having a first side facing the yoke and a second side facing the yoke. A balancing member is arranged on the second side of the planar coil to counterbalance the attractive force between the planar coil and the yoke. The other pole piece may also be provided with a corresponding balancing member.