Adaptive automatic equalizer

Details Adaptive automatic equalizer Adaptive automatic equalizer

1986-10-30

1989-01-17

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 1531

Patent

active

047991801

ABSTRACT:
An adaptive automatic equalizer of the type comprising a correction circuit for calculating a correction value for the weighting coefficients of an input signal at respective delay stages stored in the coefficient memory devices based on a difference signal between the output signal of the equalizer and a desired signal, and for correcting the weighting coefficients in accordance with the correction value, a detector for detecting a rapid change of the input signal, and an inhibiting circuit for inhibiting a substantial correction of the weighting coefficients effected by the correcting device when the rapid change is detected by the detector during an interval between the rapid change and return of the input signal to a stable state.

REFERENCES:
patent: 4455661 (1984-06-01), Qureshi
patent: 4475211 (1984-10-01), Mattis, Jr. et al.
patent: 4539690 (1985-09-01), Spiedel
patent: 4550415 (1985-10-01), Debus, Jr. et al.
patent: 4580275 (1986-04-01), Pirani et al.
patent: 4591669 (1986-05-01), Duttweiler et al.
patent: 4695969 (1987-09-01), Sollenberger
patent: 4716577 (1987-12-01), Oexmann

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