| 摘要 |
<P>PROBLEM TO BE SOLVED: To form a communication service area dedicated for a mobile, covering a particular track in a restricted time zone in which the mobile passes through the particular track. <P>SOLUTION: A restrictive communication zone formation system includes: an approach sensor, installed along the particular track of the mobile traveling within a region having an existing communication station, for detecting the mobile when the mobile traveling the particular track approaches; a passage sensor, installed along the particular track, for detecting the mobile when the mobile passes through; an operation center for receiving the notifications of the detection of the mobile respectively from the approach sensor and the passage sensor; and a radio station, installed along the particular track, for initiating a function to communicate with a mobile station traveling along with the mobile, on receipt of a communication start command from the operation center according to the approach of the mobile, and for suspending the function to communicate with the mobile station, on receipt of a communication suspension command from the operation center according to the passage of the mobile. <P>COPYRIGHT: (C)2013,JPO&INPIT |
