US Patent 10102696 In-vehicle control device and in-vehicle recording system

An in-vehicle control device includes a recording unit that sequentially records first data transferred through an in-vehicle local network; a data acquisition unit that acquires second data relating to an event from a portion of the first data generated within a first time before occurrence of the event and from another portion of the first data recorded within a second time after occurrence of the event; a generation unit that generates third data when a specified operation or change in state of an occupant occurs by elapse of a third time after occurrence of the event; a first holding unit that holds the second data; a second holding unit that holds the third data; a nonvolatile memory having a first and a second recording regions; and a data control unit that records the second data on the first recording region and the third data on the second recording region.