Patent ID: 8762633

Claim:
A device for recording data emitted from a motor vehicle control system, comprising: a volatile memory; a nonvolatile memory; a data recording module configured to receive an activation state signal emitted by the motor vehicle control system, and to record the data in a first area of the volatile memory on a rising edge of an activation state signal and in a second area of the volatile memory on a falling edge of the activation state signal; and a module configured to manage the recordings based on receipt of the activation state signal, and to activate a recording command on the falling edge of the activation state signal, wherein the data recording module is further configured to receive the recording command, and to record the data in the first and second areas of the volatile memory in an area of the nonvolatile memory when the recording command is activated, wherein the data recording module configured to record the data and the module configured to manage the recordings are configured to receive an alert signal emitted by the motor vehicle control system, and wherein the data recording module is configured to record the data in the first area of the volatile memory on a rising edge of the alert signal, and the module configured to manage the recordings is configured to activate the recording command on the rising edge of the alert signal.