| 摘要 |
PURPOSE: An apparatus for detecting the use of mobile phones is provided to detect the location of mobile phones by amplifying and receiving frequency generated in case of the use of electronic appliances. CONSTITUTION: An apparatus for detecting mobile phones is composed of a frequency counter(1), an electric field intensity meter(2), and a wideband antenna(3). The frequency counter measures a set frequency. The electric field intensity meter tracts the origin of the frequency by measuring the intensity of electric wave. The wideband antenna receives minute frequency. |
