Non-Waking Maintenance of Near Owner State

Patent metadata

Field	Value
Publication number	US-2023328635-A1
Application number	US-202218050887-A
Country	US
Kind code	A1
Filing date	Oct 28, 2022
Priority date	Apr 12, 2022
Publication date	Oct 12, 2023
Grant date	—

Abstract

Embodiments described herein provide for a mobile electronic device including a a wireless network interface coupled to a bus, a memory device coupled to the bus, and one or more processors coupled to the bus, the one or more processors to execute instructions to perform a scan, via the wireless network interface, for a beacon advertisement that is broadcast by a wireless device within range of the wireless network interface, detect the beacon advertisement broadcast by the wireless device, retrieve an identifier broadcast within the beacon advertisement, based on a result of a comparison between the identifier to at least one expected identifier, selectively send a timer reset packet to the wireless device and an authorization token for the wireless accessory to remain in near-owner mode, and allow the one or more processors to sleep for a predetermined time.

First claim

What is claimed is:

1 . A mobile electronic device comprising:
a wireless network interface coupled to a bus; a memory device coupled to the bus; and one or more processors coupled to the bus, the one or more processors to execute instructions stored on the memory device, wherein upon execution, the instructions cause the one or more processors to:
perform a scan, via the wireless network interface, for a beacon advertisement that is broadcast by a wireless device within range of the wireless network interface;
detect the beacon advertisement broadcast by the wireless device;
retrieve an identifier broadcast within the beacon advertisement;
based on a result of a comparison between the identifier to at least one expected identifier, selectively send a timer reset packet to the wireless device and an authorization token for the wireless accessory to remain in near-owner mode; and
allow the one or more processors to sleep for a predetermined time.

2 . The mobile electronic device as in claim 1 , wherein the identifier is a hardware address.

3 . The mobile electronic device as in claim 1 , wherein the instructions cause the one or more processors to:
determine whether the wireless device associated with the beacon advertisement is associated with an account on the mobile electronic device.

4 . The device as in claim 1 , the instructions additionally cause the one or more processors to generate a set of cryptographic keys based on stored key material, wherein the key material is collaboratively generated with the wireless accessory.

5 . The device as in claim 4 , wherein the set of cryptographic keys includes keys for one or more privacy periods of the wireless accessory, and the operations additionally comprising changing, each privacy period, one or more keys used to generate the hardware address with the wireless accessory.

6 . The mobile electronic device of claim 1 , wherein at least one processor wakes after a predetermined period of time.

7 . The mobile electronic device of claim 1 , wherein the timer reset packet include a reset identifier and a channel selection.

8 . The mobile electronic device as in claim 1 , wherein the wireless network interface is a Bluetooth network interface.

9 . A wireless accessory comprising:
a wireless network interface coupled to a bus; a memory device coupled to the bus; and one or more processors coupled to the bus, the one or more processors to execute instructions stored on the memory device, wherein upon execution, the instructions cause the one or more processors to:
verify a received timer reset packet contents includes an expected identifier;
enter near owner mode; and
broadcast near owner mode packet after expiration of a timer.

10 . The wireless accessory as in claim 9 , the instructions additionally cause the one or more processors to generate a set of cryptographic keys based on stored key material, wherein the key material is collaboratively generated with the wireless accessory.

11 . The wireless accessory as in claim 10 , wherein the set of cryptographic keys includes keys for one or more privacy periods of the wireless accessory, and the operations additionally comprising changing, each privacy period, one or more keys used to generate the hardware address with the wireless accessory.

12 . The wireless accessory of claim 9 , wherein a predetermined time for expiration of a timer is dependent on at least one of a location of the wireless accessory and a motion state.

13 . A method comprising:
performing a scan, via the wireless network interface, for a beacon advertisement that is broadcast by a wireless device within range of the wireless network interface;
detecting the beacon advertisement broadcast by the wireless device;
retrieving an identifier broadcast within the beacon advertisement; based on a result of a comparison between the identifier to at least one expected identifier, selectively sending a timer reset packet to the wireless device and an authorization token for the wireless accessory to remain in near-owner mode; and allowing the one or more processors to sleep for a predetermined time.

14 . The method as in claim 13 , wherein the identifier is a hardware address.

15 . The method as in claim 13 , further comprising:
determining whether the wireless device associated with the beacon advertisement is associated with an account on the mobile electronic device.

16 . The method as in claim 13 , further comprising:
generating a set of cryptographic keys based on stored key material, wherein the key material is collaboratively generated with the wireless accessory.

17 . The method as in claim 16 , wherein the set of cryptographic keys includes keys for one or more privacy periods of the wireless accessory, and the operations additionally comprising changing, each privacy period, one or more keys used to generate the hardware address with the wireless accessory.

18 . The method as in claim 13 , wherein at least one processor wakes after a predetermined period of time.

19 . The method as in claim 13 , wherein the timer reset packet include a reset identifier and a channel selection.

20 . The method as in claim 13 , wherein the wireless network interface is a Bluetooth network interface.

21 . A non-transitory machine-readable medium storing instructions to cause one or more processors of an electronic device to perform operations comprising:
perform a scan, via the wireless network interface, for a beacon advertisement that is broadcast by a wireless device within range of the wireless network interface; detect the beacon advertisement broadcast by the wireless device; retrieve an identifier broadcast within the beacon advertisement; based on a result of a comparison between the identifier to at least one expected identifier, selectively send a timer reset packet to the wireless device and an authorization token for the wireless accessory to remain in near-owner mode; and allow the one or more processors to sleep for a predetermined time.

22 . The non-transitory machine-readable medium as in claim 21 , wherein the identifier is a hardware address.

Assignees

• Apple Inc

Inventors

• Detwiler Benjamin A
• Ledvina Brent M
• Victa Kenneth U
• Wasada Langford M
• Sierra Yannick L

Classifications

• H04W12/63

  Location-dependent; Proximity-dependent · CPC title

• H04W12/61

  Time-dependent · CPC title

• H04W12/50

  Secure pairing of devices · CPC title

• H04W8/005

  Discovery of network devices, e.g. terminals · CPC title

• H04W4/80 Primary

  Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication · CPC title