Method for securing the display on a screen of mimic diagrams re

Details Method for securing the display on a screen of mimic diagrams re Method for securing the display on a screen of mimic diagrams re

1996-01-16

1997-03-04

Beausoliel, Jr., Robert W.

3951832, G01R 3128, G06F 1100

Patent

active

056088680

ABSTRACT:
In a method for securing the display on a screen of a workstation of mimic diagrams reflecting the status of a system connected to the workstation, a first counter is maintained in the system and a second counter is maintained in the workstation. The system periodically transmits to the workstation image data defining a mimic diagram reflecting the current status of the system, together with the first counter and a signature. In response, the workstation displays on the screen a mimic diagram based on the image data received and calculates a test value conditioned by the first and second counters, this value providing a basis for detecting a display error.

REFERENCES:
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patent: 5394447 (1995-02-01), Scarola
patent: 5432805 (1995-07-01), Kikuchi

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