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:
Jul. 27, 2021

Filed:

Dec. 10, 2018
Applicant:

Facebook Technologies, Llc, Menlo Park, CA (US);

Inventors:

Jack Lindsay, Seattle, WA (US);

Katherine Marie Smyth, Seattle, WA (US);

Thomas John Farrell Wallin, Redmond, WA (US);

Andrew John Ouderkirk, Redmond, WA (US);

Tanya Malhotra, Redmond, WA (US);

Austin Lane, Bellevue, WA (US);

Christopher Yuan Ting Liao, Seattle, WA (US);

Yigit Menguc, Kirkland, WA (US);

Assignee:

Facebook Technologies, LLC, Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 1/00 (2006.01); G02B 7/04 (2021.01);
U.S. Cl.
CPC ...
H02N 1/006 (2013.01); G02B 7/04 (2013.01);
Abstract

In various embodiments, a method includes (1) applying a first voltage and a first current to an electroactive device that includes a nanovoided electroactive polymer, (2) measuring a second voltage and a second current associated with the electroactive device, (3) determining at least one of a position or a force output associated with the electroactive device, the position or the force based on the second voltage and the second current, and (4) applying a third voltage and a third current to the electroactive device based on the at least one of the position or the force output. Various other methods, systems, apparatuses, and materials are also disclosed.


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