INFORMATION RECORDER, INFORMATION REPRODUCER AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To obtain accurate and detailed information high real time properties as present site useful by a user moving by a vehicle. SOLUTION: Terminal units for up-loading present site information are provided at respective districts. A user loading a plate-like memory 1 to the terminal unit 30 to record and hold the site information in the memory 1. The information read from the memory 1 charged in an on board unit 40 can be displayed.