Patent ID: 11876542
Assignee: UNIVERSITY OF TSUKUBA
Field: Basic communication processes (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 5:
6. The data compression and decompression method according to claim 1, wherein
the compression apparatus registers the symbol, which is registered in a hit entry, in a predetermined moving destination entry positioned on a side closer to a head than the hit entry with respect to the first table in a case where the entry having the symbol registered therein is hit in retrieval of the symbol in the first table, and moves a symbol, which is registered in an entry between the moving destination entry and one entry prior to the hit entry, to a next entry, and
the decompression apparatus registers a symbol, which is registered in a hit entry, in a predetermined moving destination entry positioned on a side closer to a head than the hit entry with respect to the second table in a case where the entry having the symbol registered therein is hit in retrieval of the symbol in the second table, and moves a symbol, which is registered in an entry between the moving destination entry and one entry prior to the hit entry, to a next entry.