Patent · US Active

Redundant backup using non-volatile memory

US9921762B2 · kind B2 · utility

6Cited by

89References

22Claims

0Family size

Assignee

Netlist, Inc. · US

Inventors

Mike Hossein Amidi · Lake Forest, US
Chi-She Chen · Walnut, US
Jeffrey C. Solomon · Irvine, US
Scott H. Milton · Irvine, US
Jayesh R. Bhakta · Cerritos, US

Key dates

Filing date	Sep 17, 2014
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Sep 17, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG06F2212/7208
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Data stored in a volatile memory subsystem is backed up redundantly into first and second channels of a non-volatile memory subsystem. The data is retrieved from the volatile memory subsystem upon detection of a trigger condition indicative of real or imminent power loss or reduction and multiple copies are stored in dedicated non-volatile memory channels. The stored copies may be error checked and corrected, and re-written if necessary. The redundantly backed up data can be subsequently retrieved from the non-volatile memory subsystem, error-corrected, and an error-free copy communicated to the volatile memory subsystem.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.