Communications system

Details Communications system Communications system

1997-06-10

2000-10-10

Chin, Stephen

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375130, 375140, 375219, 455 47, H04K 110

Patent

active

061309141

ABSTRACT:
A point to multipoint two-way communications systems in which a base station transmits to a remote station ("outstation") on a frequency derived by the base station from the frequency of a previous transmission received by said base station from said outstation.

REFERENCES:
patent: 4955083 (1990-09-01), Phillips et al.
patent: 5369785 (1994-11-01), Korhonen et al.
patent: 5537435 (1996-07-01), Carney et al.
patent: 5862173 (1999-01-01), Dent

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