Information transmission system utilizing at least two channels

Details Information transmission system utilizing at least two channels Information transmission system utilizing at least two channels

1996-05-16

1998-11-10

Nguyen, Chau

Multiplex communications

Fault recovery

Bypass an inoperative channel

371 491, 34082501, H04J 314

Patent

active

058354832

ABSTRACT:
A transmission system uses two channels (CHA, CHB). It includes a transmitting apparatus (1) having an input access (5) for receiving the information to be transmitted, output accesses (7A, 7B) connected to the channels for broadcasting the information to be transmitted, a first transmission delay element (8) associated to one of the accesses for delaying the information to be transmitted, a receiving apparatus (10) having accesses (11A, 11B) for receiving the information signals from the channels, a measuring circuit (15) for measuring the qualities of the various channels, and a network circuit (22) for selecting one of the channels. In the transmitting apparatus a dividing circuit (40) is provided for dividing the information to be transmitted into blocks, and an assigning circuit (42) is provided for assigning an error detection code to each of these blocks and, in the receiving apparatus (10), an error code analysis circuit (15) is provided which gives an indication of a erroneous block for the network circuit (22).

REFERENCES:
patent: 3409875 (1968-11-01), De Jager et al.
patent: 3665395 (1972-05-01), Bochmann
patent: 5237318 (1993-08-01), Auclair et al.
patent: 5414414 (1995-05-01), Suzuki
patent: 5546425 (1996-08-01), Auclair et al.

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