Patent US 4,716,458

Driver-vehicle behavior display apparatus is provided wherein data representing a vehicle's performance capability envelope and a polar plot of forces imposed by a driver on a vehicle are superimposed in real time upon video information representing a driver's view of roadway being traversed. In addition, bar graph information corresponding to accelerator position and brake pressure may also be provided and superimposed upon such video information. The resulting video signal may be viewed directly, transmitted to a remote viewing station, or recorded in a conventional VCR.