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:
Dec. 28, 2021
Filed:
Mar. 28, 2018
Applicant:
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Inventors:
Shiu Sang Ng, Kirkland, WA (US);
Timothy A. Jakoboski, Woodinville, WA (US);
Peter Kyriacou, Redmond, WA (US);
Assignee:
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/40 (2016.01); H02J 50/10 (2016.01); H01F 27/28 (2006.01); H02J 7/02 (2016.01); H01F 27/38 (2006.01); H01F 38/14 (2006.01); H02J 50/12 (2016.01); H02J 50/70 (2016.01); H01F 27/36 (2006.01);
U.S. Cl.
CPC ...
H02J 50/10 (2016.02); H01F 27/28 (2013.01); H01F 27/38 (2013.01); H01F 38/14 (2013.01); H02J 7/025 (2013.01); H02J 50/12 (2016.02); H02J 50/40 (2016.02); H02J 50/402 (2020.01); H02J 50/70 (2016.02); H01F 27/36 (2013.01);
Abstract
Charging devices described herein include at least one coil having spirals through which current flows in opposing radial directions to focus flux. For instance, the flux for a coil may be focused in a shape of a toroid having first and second cross-sections that intersect the respective spirals of the coil at a plane in which the spirals are defined. Focusing the flux in this manner may facilitate wireless power transfer from the coil(s) to a chargeable wireless device.