Reduction of write amplification in sensor data recorders
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United States of America
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Mar 25, 2025
Grant Date -
Oct 6, 2022
app pub date -
Mar 31, 2021
filing date -
Mar 31, 2021
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Abstract
A system including sensors of an advanced driver assistance system and a data recorder. The data recorder has: a volatile memory; a non-volatile memory configured with a file system region and a buffer region; and a processor configured to implement a file system mounted in the file system region. The data recorder records outputs from the sensors via the volatile memory into the buffer region in a cyclic way and, in response to an event, retrieve sensor data from the buffer region and store the sensor data into files organized under the file system mounted in the file system region.
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