Error detection circuit

Details Error detection circuit Error detection circuit

1986-07-09

1989-10-03

Atkinson, Charles E.

Excavating

358314, 358336, 360 381, G06F 1100, H04N 544

Patent

active

048721700

ABSTRACT:
An input receives a digital video signal that when free of error lies within a given frequency band and when not free of error contains components lying outside the frequency band. Such components have an amplitude versus frequency distribution that is a function of the number and location of errors in the digital video signal. A detector is responsive to the input for detecting components of the digital video signal lying outside the frequency band, and a pattern recognition circuit responsive to the detector produces an output indicative of the number and location of the errors.

REFERENCES:
patent: 3909518 (1975-09-01), Baker
patent: 3925605 (1975-12-01), Rennick
patent: 4356507 (1982-10-01), Goldberg et al.

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