Apparatus for receiving and decoding a serial data packet contai

Details Apparatus for receiving and decoding a serial data packet contai Apparatus for receiving and decoding a serial data packet contai

1991-12-23

1994-05-10

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

053115082

ABSTRACT:
A communication system between a microprocessor based device and a network of a plurality of remote input/output repeater modules uses a synchronous serial communications protocol. The microprocessor based device contains a transmitter module for generating a data packet containing the status of output device connected to remote input/output repeater modules coupled to the network. A receiver module also contained in the microprocessor based device receives and decodes a returned modified data packet that indicates the status of input devices connected to the same or other remote input/output repeater modules also coupled to the network. The receiver module can detect errors in the returned data packet.

REFERENCES:
patent: 4045771 (1977-08-01), Loreck
patent: 4785453 (1988-11-01), Chandran et al.
patent: 5007045 (1991-04-01), Tsuzuki

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