US 11,055,392 B2
Proximity unlock and lock operations for electronic devices
Robert R. Ulrich, San Jose, CA (US); Jean-Pierre Cuidad, San Jose, CA (US); Kevin N. Armstrong, San Jose, CA (US); Andreas W. Wendker, San Jose, CA (US); Craig M. Federighi, San Jose, CA (US); and Steve S. Ko, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jan. 24, 2020, as Appl. No. 16/752,237.
Application 15/998,850 is a division of application No. 14/586,528, filed on Dec. 30, 2014, granted, now 10,055,567, issued on Aug. 21, 2018.
Application 16/752,237 is a continuation of application No. 15/998,850, filed on Aug. 17, 2018, granted, now 10,546,113.
Claims priority of provisional application 62/005,758, filed on May 30, 2014.
Prior Publication US 2020/0279036 A1, Sep. 3, 2020
Int. Cl. G06F 21/34 (2013.01); G06F 21/35 (2013.01)
CPC G06F 21/34 (2013.01) [G06F 21/35 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method performed by an electronic device, the method comprising:
broadcasting an advertisement message;
receiving a connection request message that comprises a connection request from a smart watch in response to the advertisement message;
determining the smart watch is an authorized device, wherein the determining comprises decrypting information in the connection request using a key acquired during a preliminary pairing operation between the electronic device and the smart watch that is triggered by a service provider electronic device;
determining the smart watch is within a proximity of the electronic device based at least in part on a measurement for a signal generated by the smart watch being above a threshold value; and
transitioning the electronic device from a locked operating state to an unlocked operating state based at least in part on the determination that the smart watch is an authorized device and the determination that the smart watch is within the proximity of the electronic device.