Automatic driver/receiver control for half-duplex serial network

Details Automatic driver/receiver control for half-duplex serial network Automatic driver/receiver control for half-duplex serial network

1996-02-07

1998-03-17

Nguyen, Chau

Multiplex communications

Channel assignment techniques

Carrier sense multiple access

375219, H04B 138

Patent

active

057295476

ABSTRACT:
A driver control enable and disable circuit for an asynchronous serial local area data distribution system including a plurality of distributed data processing stations connected to a common bus and utilizing a half-duplex signaling protocol which prevents contention between messages originating from different stations. In order to assure message integrity, only the transmitter of the protocol allowed message is enabled. The signals which control the enabling of this transmitter cause reset of the driver of the previously allowed message on the bus by monitoring the driver current.

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