Data storage apparatus

Details Data storage apparatus Data storage apparatus

2005-04-26

2005-04-26

Nghiem, Michael (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

History logging or time stamping

Reexamination Certificate

active

06885979

ABSTRACT:
A data storage apparatus includes a sampling device for sampling data in a predetermined cycle, and a storage device for storing a plurality of items of the data sampled by said sampling device. The data storage apparatus also includes an updating device for updating the plurality of items of the data stored in said storage device to respective ones of the plurality of items of the data, which were sampled at later times than the plurality of items of the data were stored, in respective predetermined updating cycles which are shorter than the updating cycles of the plurality of items of the data which were sampled at respective earlier times.

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patent: 8-29203 (1996-02-01), None
patent: 8-247799 (1996-09-01), None

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