74398399
May 21, 1993
May 16, 1995
on-board computers for motor vehicles, on-board computer printers for motor vehicles, telecommunication devices for base stations and motor vehicles, namely modems for transmitting data stored on computers to a remote location and receiving data from the remote location to be stored on the computers, central evaluation computers for evaluating the data transmitted thereto from the vehicle on-board computers and transmitting delivery order information to the vehicle on-board computers, sensors for sending operating conditions of vehicle on-board concrete delivery booms and concrete pumps supplying concrete to the booms, electronic interface devices for connecting the sensors to the on-board computers to facilitate a storage of operating data thereon, computer programs for facilitating a compiling of job site information and the production of on-site billing and statistics for the vehicle operator's review as well as facilitating diagnostics and preventative maintenance on the vehicles and the concrete delivering devices on the vehicle, and magnetic and optical data carriers for storing the computer programs thereon
Electrical and Scientific Apparatus