| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that much labor and time are required for distribution research. SOLUTION: Each of portable telephones 100-102 outputs a radio wave to each of portable telephone repeater stations 140-142 so as to originate/receive a call even without speaking and registers its own number in the closest repeater station. By utilizing such a function, the portable telephone is accessed from the repeater station for the unit of portable telephone repeater station without speaking for receiving and accumulating the data of previously registered research items, the distribution conditions of the research items can be immediately known.</p> |
