Method and device for processing and transmitting data within a functionally secure, electrical, electronic and/or programmable electronic system
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United States of America Patent
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app pub date -
Mar 11, 2016
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Mar 13, 2015
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Processing and transmitting of data within a functionally safe electronic system having at least two subsystems, each of which comprises at least one safety component, and each of which complies with a specific safety level for functionally safe data processing. Embodiments process data using the safety component of a first one of the subsystems into functionally safe data of a first safety level, and add an indication attribute indicating suitability of these data for use of this first safety level; transmitting the data to a second one of the subsystems; and checking the received indication attribute, by the second subsystem using the safety component, to determine whether the safety level indicated by this indication attribute is different from the safety level the second subsystem complies with; and, if the check reveals non-equal safety levels, further processing the data in functionally a safe manner based on the lower safety level.
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