Safe information transmission via non-safety approved equipment
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United States of America Patent
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Jan 29, 2013
Grant Date -
Nov 8, 2007
app pub date -
Mar 27, 2007
filing date -
Mar 28, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of detecting communications errors by coding messages as pictures. A communications method useable to safely communicate a message or a signal from a first safety approved entity to a second safety approved entity via a third, non-safety approved entity including that each command is sent with the aid of a command message from the first to the second entity, an acknowledge message from the second to the first entity, and a go-ahead message from the first to the second entity.
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