Data compression apparatus and method
US9455740B2 · kind B2 · utility
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2References
18Claims
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Key dates
| Filing date | Nov 6, 2012 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Sep 12, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/221
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data compression apparatus generates a global symbol table for an overlapping data using a part of the entire data to be compressed and a local symbol table that is not overlapped with the global symbol table and compressing data with a block as a unit. The apparatus increase compression efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.