US 12,259,690 B2
Watch crown having a conductive surface
Sameer Pandya, Sunnyvale, CA (US); Steven C. Roach, San Francisco, CA (US); Colin M. Ely, Sunnyvale, CA (US); and Erik G. de Jong, San Francisco, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jan. 23, 2019, as Appl. No. 16/255,685.
Claims priority of provisional application 62/725,230, filed on Aug. 30, 2018.
Claims priority of provisional application 62/722,796, filed on Aug. 24, 2018.
Prior Publication US 2020/0064779 A1, Feb. 27, 2020
Int. Cl. G04C 3/00 (2006.01); G06F 1/16 (2006.01); G06F 3/0488 (2022.01)
CPC G04C 3/001 (2013.01) [G04C 3/008 (2013.01); G06F 1/1626 (2013.01); G06F 3/0488 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic watch comprising:
an enclosure defining an opening;
a crown extending through the opening and configured to rotate relative to the enclosure and translate relative to the enclosure, the crown comprising:
an inner crown body defining an exposed conductive surface, the exposed conductive surface defining an electrode configured to detect a voltage of a user in contact with the electrode to determine an electrocardiogram of the user;
an outer crown body at least partially surrounding the inner crown body;
an isolator positioned between the inner crown body and the outer crown body and electrically isolating the inner crown body from the outer crown body; and
a retainer coupling the inner crown body to the outer crown body and securing the isolator between the inner crown body and the outer crown body;
a processing unit operably coupled to the electrode and configured to determine the electrocardiogram of the user based at least partially on the voltage detected at the electrode; and
a display positioned at least partially within the enclosure and configured to provide a graphical output that is responsive to each of a rotational input received by the crown, a translational input received by the crown, and the electrocardiogram.