초록 ▼

A master clock on a truck maintains vehicle standard time for the purposes of monitoring and recording vehicle performance data throughout the vehicle. Vehicle performance data is stored for a predefined period of time in response to detecting predefined events. Instances of vehicle performance data

A master clock on a truck maintains vehicle standard time for the purposes of monitoring and recording vehicle performance data throughout the vehicle. Vehicle performance data is stored for a predefined period of time in response to detecting predefined events. Instances of vehicle performance data is time stamped with vehicle standard time. The master vehicle clock can also maintain the local time displayed to the driver. In response to inputs from the driver, the difference between driver local time and vehicle standard time is computed and the updated local time is displayed to the driver.

대표청구항 ▼

[ I claim:] [1.] A data recording system on a vehicle, the system comprising:a plurality of vehicle data measuring devices operable to measure vehicle performance data;a master vehicle clock operable to maintain vehicle standard time for the vehicle, and operable to maintain driver local time;a data

[ I claim:] [1.] A data recording system on a vehicle, the system comprising:a plurality of vehicle data measuring devices operable to measure vehicle performance data;a master vehicle clock operable to maintain vehicle standard time for the vehicle, and operable to maintain driver local time;a data logging device communicative with a plurality of the vehicle data measuring devices and the master vehicle clock, the data logging unit being operable to monitor the vehicle performance data and to record selected vehicle performance data along with a time stamp in vehicle standard time from the master vehicle clock;an input control communicative with the master vehicle clock, the input control being operable to receive user input to decrement or increment the driver local time, and operable to communicate a change in driver local time to the master vehicle clock;a local time display communicative with the master vehicle clock, the local time display being operable to display the driver local time.