Data compressing method, data compressing apparatus, data decomp

Details Data compressing method, data compressing apparatus, data decomp Data compressing method, data compressing apparatus, data decomp

1995-12-15

1998-09-01

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

341 79, H03M 730

Patent

active

058016481

ABSTRACT:
A data compressing method involves the use of a data string registering unit for registering a charactor or charactor string and the context and a code information registering unit for registering coding information of the character or character string following the context, the coding information following previous a input data. The data compressing method includes a data string new registering step of, when the input character or character string and the context set is not registering in the string registering unit, register the set in the data string registering unit. The same method also includes a code information new registering step of, when the input character or character string's code information following the context is not registering in the code information registering unit, register the code information in the code information registering unit and a code outputting step of outputting the code following the code information registered in the code information registering unit and a code information updating step of updating the code information registering unit.

REFERENCES:
patent: 4672679 (1987-06-01), Freeman
patent: 5254990 (1993-10-01), Yoshida et al.

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