Method and apparatus for simultaneously displaying distribution

Details Method and apparatus for simultaneously displaying distribution Method and apparatus for simultaneously displaying distribution

1995-12-04

1997-05-13

Chin, Stephen

Pulse or digital communications

Equalizers

Automatic

345115, 345127, 345133, 348564, H03H 730, G09G 500, H04N 5445

Patent

active

056299575

ABSTRACT:
An eye pattern display device for receiving and equalizing signals transmitted on a frequency-division multiplex basis to produce equalized output signals and displaying eye patterns of the equalized output signals is intended to check the eye patterns of the equalized output signals on multiple channels simultaneously. Level converters convert the signal levels of the equalized output signals output from channel demodulators. Offset adders add predetermined offset signals to level-converted equalized output signals so that they can be displayed on corresponding display areas of a display which are allocated to the respective channels. A selector selects output signals of the offset adders in sequence to display the eye patterns of the equalized output signals simultaneously on the display.

REFERENCES:
patent: 4257043 (1981-03-01), Tsuchiko
patent: 4710762 (1987-12-01), Yamada
patent: 4985900 (1991-01-01), Rhind et al.
patent: 5047858 (1991-09-01), Aimonoya
patent: 5146335 (1992-09-01), Kim et al.

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