CRC operational system

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371 491, H03M 1300

Patent

active

055008631

ABSTRACT:
A CRC operational system for use in detection of a communication error or the like. A received code sequence is once accumulated, for example, in a shift register so that a message sequence which follows in the shift register ##EQU1## where, k denotes message length, p=2, and m.sub.i =0, 1, is added together taking the m.sub.i into consideration to find a check sequence with respect to the entire message sequence to perform coincidence judgement between the found check sequence and the received check sequence.

REFERENCES:
patent: Re32516 (1987-10-01), Cantwell, Jr.
patent: 4498174 (1985-02-01), LeGresley
patent: 4617664 (1986-10-01), Aichelmann, Jr. et al.
patent: 4823347 (1989-04-01), Chin et al.
patent: 5103451 (1992-04-01), Fossey
patent: 5130991 (1992-07-01), Takano

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