Using non-volatile storage to track status changes in objects
OwnerJohn Mark Morrisinventor
Life of this patent
Estimating the term…
Abstract
A non-volatile storage device is used to track status changes in one or more items, where it is less costly to set bits in the non-volatile storage device than to reset bits. For each of the items to be tracked, at least two bits of storage space are allocated in the non-volatile storage device. One of the bits is set when the item changes status, and another of the bits is set when the item changes status again.
Claims18
A method of using a non-volatile storage device to track status changes in one or more items, where it is less costly to set bits in the non-volatile storage device than to reset bits, the method comprising, for each of the items to be tracked:
- allocating at least two bits of storage space in the non-volatile storage device;
- setting one of the bits when the item changes status;
- and
- setting another of the bits when the item changes status again.
Dependencies are inferred from the claim text.