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. 26, 2017
Filed:
Feb. 12, 2016
Apple Inc., Cupertino, CA (US);
SungChang Lee, Cupertino, CA (US);
Xuefeng Wang, Cupertino, CA (US);
Mi Hye Shin, Cupertino, CA (US);
Wei Guang Wu, Cupertino, CA (US);
Jonah A. Harley, Los Gatos, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
An electronic device may include a housing and at least one coil carried by the housing. The electronic device may include a field member that includes a magnetic body having a shaft-receiving passageway therein, and at least one bearing within the shaft-receiving passageway. A shaft extends through the at least one bearing and coupled to the housing to permit reciprocal movement of the field member along the shaft and within the housing responsive to the at least one coil. A controller may be capable of powering the at least one coil to move the field member after a threshold period of non-movement.