Solid-state digital flight data recorder
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United States of America Patent
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Oct 11, 1983
Grant Date -
N/A
app pub date -
Jun 26, 1981
filing date -
Jun 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A digital flight data recorder receives sensed parameter information in serial data format in successive data frames and first circulates the information in a first-in first-out (FIFO) sequence through a minor memory to preserve the data received over a most recent real time interval, after which the data is compressed to a smaller data base including periodic slow interval samples and intermediate exceedance parameter samples which are stored in a major memory for later retrieval.
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