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Maintenance of wireless devices

專利號
US11889302B2
公開日期
2024-01-30
申請人
Apple Inc.（US CA Cupertino）
發(fā)明人
Kenneth U. Victa; Benjamin A. Detwiler; Nikhil Nilakantan; Todd Wheeler; Robert W. Mayor; Brent M. Ledvina; E. Thomas Erdmann, IV; Sriram Hariharan
IPC分類
H04W12/04; H04W76/10; H04W12/03; H04L9/08; H04L12/18; H04L9/40
技術(shù)領(lǐng)域
accessory,wireless,owner,device,beacon,mobile,timer,can,key,102b
地域： CA CA Cupertino

摘要

The presence of a wireless device and/or accessory that cannot maintain an independent network connection can be detected by network connected wireless devices and the location of the detected device and/or accessory can be reported to a device location service. As the wireless devices and/or accessories do not have independent network connections, periodic maintenance is performed on those devices by nearby owner devices to which the wireless devices and/or accessories are paired or associated. Described herein are systems, methods, and associated devices to maintain a locatable wireless device by a set of multiple owner devices for that wireless device.

說明書

A wild mode advertisement packet 502 can include similar fields as the near owner advertisement packet 501. The wild mode advertisement packet 502 can additionally include a second public key portion (PubKey2/2) that includes additional bits of the public key. In one embodiment, the additional bits of the public key or the combined public key (PubKey1/2, PubKey2/2, EK) can be used as a static identifier for the wireless accessory that allows unwanted tracking notifications to be suppressed. In one embodiment the combined public key can also be used as an encryption key by finder devices to encrypt an observed location of the wireless beacon when an observation is uploaded to a device locator server.

In one embodiment the status flag field S1 of the near owner advertisement packet 501 includes a maintained bit 503. The maintained bit 503 indicates whether near owner maintenance has been performed during a given key rotation period. During each key rotation, the maintained bit 503 can be cleared to indicate that the device is in unmaintained near owner mode, is available for near owner maintenance connections, and will soon transition into wild mode if not maintained. The maintained bit can be used to facilitate near owner maintenance by multiple owner devices.

Multiple Device Near Owner Maintenance

權(quán)利要求

1
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