Patent attributes
A data recording apparatus for a vehicle includes a vehicle state detecting sensor configured to detect a state of the vehicle at the time of traveling and to provide an output value, a recorder configured to record the output value of the vehicle state detecting sensor, and a controller configured to record the output value of the vehicle state detecting sensor into the recorder; the controller has a counter configured to perform counting repeatedly according to a counting frequency and a counting range which are set based on a frequency band of an output signal of the vehicle state detecting sensor, a count value recorder configured to record a count value of the counter, and a judging section configured to judge a state of the output value of the vehicle state detecting sensor.
