Circuit for correcting error in digital information signal

Details Circuit for correcting error in digital information signal Circuit for correcting error in digital information signal

1981-09-24

1983-10-04

Atkinson, Charles E.

Excavating

358314, 360 362, 360 381, G06F 1110, H04N 576

Patent

active

044083262

ABSTRACT:
An error correcting circuit particularly for an audio equipment makes use of the so-called adjacent code correction technology and an error pointer generated by the error detection code (CRCC). The circuit comprises a counter starting to count clock pulses in response to an operation start signal, a timing signal generator for steps of correction operation, a correction operation circuit operative with the timing signal, a storage circuit for storing operation results of the correction operation circuit, a monitoring circuit for monitoring the degree of execution of the correction operation steps in the correction operation circuit, using the output of the counter and a control circuit for controlling the storage of the operation results in the storage circuit, depending upon the output of the monitoring circuit.

REFERENCES:
patent: 4141039 (1979-02-01), Yamamoto
patent: 4254500 (1981-03-01), Brookhart
patent: 4287529 (1981-09-01), Tatami et al.
patent: 4306305 (1981-12-01), Doi et al.
patent: 4329708 (1982-05-01), Yamamoto et al.
patent: 4376291 (1983-03-01), Heitmann

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