Apparatus for removing additive disturbance from data channel an

Details Apparatus for removing additive disturbance from data channel an Apparatus for removing additive disturbance from data channel an

1998-02-02

1999-10-26

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327311, 327 34, 327552, H03K 500

Patent

active

059735538

ABSTRACT:
An apparatus for detecting and removing an additive disturbance from a signal in a data transmission channel, and an method therefor. The apparatus includes: a disturbance detector which detects whether a disturbance exists in an input signal; a canceling signal generating portion which, when a disturbance is detected by the disturbance detector, generates a canceling signal beginning at the same time as the disturbance, based on a predetermined period of the input signal; and a disturbance remover which subtracts the canceling signal from the input signal to remove the disturbance. Therefore, the canceling signal is generated based on both the output and input signals, thereby precisely removing the disturbance.

REFERENCES:
patent: 5267310 (1993-11-01), Yoshiba
patent: 5852521 (1998-12-01), Umeyama et al.

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