| 摘要 |
PCT No. PCT/GB95/02317 Sec. 371 Date Jun. 4, 1997 Sec. 102(e) Date Jun. 4, 1997 PCT Filed Sep. 29, 1995 PCT Pub. No. WO96/10806 PCT Pub. Date Apr. 11, 1996Provided is a vehicle travel meter comprising a first sensor for monitoring a first variable of travel of a vehicle over a route, a second sensor for monitoring a second variable of travel of the vehicle over the route; memory means arranged to store a plurality of sets of travel data corresponding to a plurality of locations on the route, each set consisting of a value of the first variable and a value of the second variable of travel; selecting means for selecting a set of travel data stored in the memory means in which the value of the first variable is substantially identical to a value of the first variable measured by the first sensor; performance determining means for determining a difference between the value of the second variable of the selected set of travel data and a value of the second variable measured by the second sensor, and display means for displaying in real time the difference determined by the performance determining means to a driver of the vehicle. |
