Automatic equalizer apparatus

Details Automatic equalizer apparatus Automatic equalizer apparatus

1982-04-15

1984-10-16

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

333 18, 333 28R, H04B 314

Patent

active

044779135

ABSTRACT:
An equalizer apparatus suitable for use in a MODEM for receiving a signal having passed through a number of carrier-band lines is disclosed in which the number of carrier-band lines is detected from a training signal, and electrical connection of a fixed equalizer to a variable equalizer is controlled on the basis of the number of carrier-band lines, in order to form a precise, simple automatic equalizer apparatus.

REFERENCES:
patent: 3781722 (1973-12-01), Pierson
patent: 4320517 (1982-03-01), Godard et al.
patent: 4336613 (1982-06-01), Hewes

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