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    • 3. 发明授权
    • Smart scan for wireless devices
    • 智能扫描蓝牙平板设备
    • US08024487B2
    • 2011-09-20
    • US10724843
    • 2003-12-01
    • Vivek BhanuSiamak PoursabahianEdwin A. Hernandez-MondragonJohn W. ArcherLambert H. Green
    • Vivek BhanuSiamak PoursabahianEdwin A. Hernandez-MondragonJohn W. ArcherLambert H. Green
    • G06F15/16
    • H04W8/005H04M1/7253H04W48/16H04W76/10H04W84/10H04W84/18
    • A system and method for discovering and connecting to a preferred remote Bluetooth device by a local Bluetooth device. An inquiry scan cache and a page scan cache are maintained. The inquiry scan cache is updated by way of a periodic inquiry scan. The page scan cache is refreshed by way of an attempt to connect to the preferred remote Bluetooth device. Periodically, and more frequently than the periodic inquiry scan, a list of available remote Bluetooth devices is formed from entries in the inquiry scan cache concatenated with each entry in the page scan cache for which a page scan is successful. In one embodiment, the page scan cache holds a finite number of entries, and an expiration policy is applied to each added entry. In another embodiment, the inquiry scan cache is also updated when a remote Bluetooth device attempts to connect to the local Bluetooth device.
    • 用于通过本地蓝牙设备发现和连接到优选远程蓝牙设备的系统和方法。 维护查询扫描缓存和页面扫描缓存。 查询扫描缓存通过定期查询扫描进行更新。 通过尝试连接到首选的远程蓝牙设备来刷新页面扫描缓存。 周期性地且比周期性查询扫描更频繁地,可以从与页扫描成功的页扫描缓存中的每个条目连接的查询扫描缓存中的条目形成可用的远程蓝牙设备的列表。 在一个实施例中,页面扫描高速缓存保存有限数量的条目,并且对每个添加的条目应用过期策略。 在另一个实施例中,当远程蓝牙设备尝试连接到本地蓝牙设备时,查询扫描高速缓存也被更新。