Time-division multiplex communication transmission apparatus

Details Time-division multiplex communication transmission apparatus Time-division multiplex communication transmission apparatus

1994-01-25

1995-12-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701054, 375362, 375309, H04J 300

Patent

active

054756847

ABSTRACT:
A time-division multiplex communication transmission apparatus includes a logic processing circuit, a digital filter, a modulation circuit, and a high-frequency amplification unit. The logic processing circuit performs logic processing of input burst data and outputs a burst timing signal for each time slot for time-division transmission. The digital filter converts output data from the logic processing circuit into baseband data for modulation. The digital filter is reset at a time slot boundary when no burst data signal is present in an adjacent time slot. The modulation circuit modulates an output signal from the digital filter. The high-frequency amplification unit performs burst waveform processing of an output signal from the modulation circuit on the basis of a burst timing signal from the logic processing circuit.

REFERENCES:
patent: 4313198 (1982-01-01), Mazzocchi
patent: 4485478 (1984-11-01), Takada
patent: 4979192 (1990-12-01), Shimizume et al.

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