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.

Date of Patent:
Nov. 12, 2019

Filed:

May. 25, 2016
Applicant:

Apple Inc., Cupertino, CA (US);

Inventor:

Shravan Bharadwaj, San Jose, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/03 (2006.01); G01R 33/12 (2006.01); D03D 15/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0306 (2013.01); D03D 15/0055 (2013.01); G01R 33/1276 (2013.01);
Abstract

Items such as electronic devices, fabric-based items, and other items may include strands of magnetic material. The magnetic material may be formed from particles of a rare-earth alloy or other magnetic materials in a binder. Strands of magnetic material may have magnetic cores surrounded by one or more additional layers such as non-magnetic layers or may have non-magnetic cores surrounded by one or more additional layers including a magnetic layer. The strands of material may be uniform along their lengths or may be segmented into non-magnetic and magnetic portions. Items may include fabric formed from intertwined strands of magnetic material. Magnetic material may interact with permanent magnets and electromagnets. Magnetic sensors may monitor for the presence of magnetic portions of a fabric or other structure.


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