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公开(公告)号：US20220075523A1
公开(公告)日：2022-03-10
申请号：US17405946
申请日：2021-08-18
IPC分类号： G06F3/06
摘要： Data may be purged from a memory device in a manner confined to a particular partition of a memory device having two or more partitions. Logical memory blocks may be de-mapped from physical memory blocks of a first storage partition of the memory device. De-mapped physical memory blocks of the first storage partition may be listed in a local de-mapped block list uniquely associated with the first storage partition. A local purge command may be received from a host device. In response to the local purge command, at least a portion of the de-mapped physical memory blocks listed only in the local de-mapped block list are purged.
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公开(公告)号：US11256894B2
公开(公告)日：2022-02-22
申请号：US16703616
申请日：2019-12-04
发明人： Wesley James Holland , Rashmi Kulkarni , Ling Feng Huang , Huang Huang , Jeffrey Shabel , Chih-Chi Cheng , Satish Anand , Songhe Cai , Simon Peter William Booth , Bohuslav Rychlik
摘要： In some aspects, the present disclosure provides a method for managing a command queue in a universal flash storage (UFS) host device. The method includes determining to power on a first subsystem of a system-on-a-chip (SoC), wherein the determination to power on the first subsystem is made by a second subsystem of the SoC based on detection of user identity data contained in a first image frame during an initial biometric detection process. In certain aspects, the second subsystem is configured to operate independent of the first subsystem and control power to the first subsystem. In certain aspects, the second subsystem includes a second optical sensor, a set of ambient sensors, and a second processor configured to detect, via a set of ambient sensors, an event comprising one or more of an environmental event outside of the device or a motion event of the device.
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