Method of efficient compression for measurement data

Details Method of efficient compression for measurement data Method of efficient compression for measurement data

2011-08-30

2011-08-30

Vu, Viet (Department: 2448)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data modifying

Compressing/decompressing

C709S250000, C709S230000

Reexamination Certificate

active

08010704

ABSTRACT:
A method for compressing measurement data that includes grouping common data elements in common data messages. Sequential data elements in the groups are subtracted from each other to provide difference values. The difference values are compressed using a suitable compression algorithm to provide compressed blocks of data. Time stamp periods associated with each common data message are also subtracted from each other to provide time stamp difference values. The time stamp difference values are also compressed to provide compressed time stamp blocks. The compressed blocks of data and time stamp blocks are then stored.

REFERENCES:
patent: 4151421 (1979-04-01), Sumi
patent: 6466902 (2002-10-01), Lu
patent: 7224293 (2007-05-01), Parker
patent: 2007/0247350 (2007-10-01), Ryan
patent: 2009/0129684 (2009-05-01), Lee et al.

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