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:
May. 13, 2025
Filed:
Nov. 01, 2022
Applicant:
City University of Hong Kong, Hong Kong, CN;
Inventors:
Assignee:
City University of Hong Kong, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 47/00 (2006.01); B25J 7/00 (2006.01); B25J 15/06 (2006.01); H01F 7/06 (2006.01); H01F 7/20 (2006.01);
U.S. Cl.
CPC ...
H01F 7/206 (2013.01); B25J 7/00 (2013.01); B25J 15/0608 (2013.01); H01F 7/064 (2013.01);
Abstract
One embodiment includes an electromagnetic device for generating a magnetic field in a workspace. The electromagnetic device includes an elongated sleeve defining a hollow space and having an external surface, a magnetic core, and an electric coil wounded onto the external surface of the elongated sleeve and configured to generate the magnetic field when energized. The magnetic core has a first end, a second end, and a middle portion that is disposed between the first end and the second end and received in the hollow space. The first end is provided with a core tip that is shaped substantially as a cone and has a cone radius greater than zero.