Invention Grant
US08230257B2 Systems, methods and devices for controlling backup power provided to memory devices and used for storing of sensitive data
有权
用于控制提供给存储器设备并用于存储敏感数据的备用电源的系统,方法和设备
- Patent Title: Systems, methods and devices for controlling backup power provided to memory devices and used for storing of sensitive data
- Patent Title (中): 用于控制提供给存储器设备并用于存储敏感数据的备用电源的系统,方法和设备
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Application No.: US12632556Application Date: 2009-12-07
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Publication No.: US08230257B2Publication Date: 2012-07-24
- Inventor: Dean Clark Wilson
- Applicant: Dean Clark Wilson
- Applicant Address: US CA Scotts Valley
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Scotts Valley
- Agency: Crawford Maunu PLLC
- Main IPC: G06F11/00
- IPC: G06F11/00

Abstract:
Power-backup capabilities are provided by implementing a variety of different methods, systems and devices. According to one such implementation, a solid-state memory device is implemented with a primary power source that provides primary power. A secondary power source provides secondary power. A power controller provides the primary power to an operating power circuit. The secondary power is provided by enabling a secondary switch located between the secondary power source and the operating power circuit. A solid-state memory uses power from the operating power circuit as a primary source of power when accessing stored data and retains data in the absence of power being provided by the operating power circuit. A memory controller facilitates access to the stored data. In response to problems with the primary power source, pending writes are completed to the solid-state memory circuit. A timing circuit substantially delays full enablement of the secondary switch.
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