| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a low cost parking lot management device for automatically managing the parking lot. <P>SOLUTION: The parking lot management device is equipped with a first detection part for detecting a vehicle moving into the parking lot, a second detection part for detecting the vehicle leaving from the parking lot, a clock part, and a calculation part for calculating the number of the vehicles at predetermined time clocked by the clock part in the parking lot based on the detection result of the first detection part and the second detection part. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
