Error checking apparatus and method for a serial signal transmis

Details Error checking apparatus and method for a serial signal transmis Error checking apparatus and method for a serial signal transmis

1991-03-20

1995-09-12

Atkinson, Charles E.

Excavating

G06F 1110

Patent

active

054504198

ABSTRACT:
In an error checking apparatus for a serial signal transmission system comprising a plurality of nodes in a centralized control system of various devices such as presses, machine tools, constructing machines, ships, airplanes, unattended conveyer systems and unattended warehouses, plural types of error check codes are added to serial transmission data for each node. The node checks the received data for each of the received error check codes, adds error codes indicative of the result of the error check to the respective error check codes and sends them to a downstream node and a main controller.

REFERENCES:
patent: 4879714 (1989-11-01), Maeno
patent: 5105426 (1992-04-01), Hagiwara
patent: 5170338 (1992-12-01), Moritoki et al.

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