| 摘要 |
A detector device (3) for detecting a mobile telephone, said detector device comprising members (11) for detecting electromagnetic radiation emitted from the receiving part of the mobile telephone when the mobile telephone is switched on, and said device with advantage being included in a checking installation for checking a passage (1), which installation includes at least one stop- and/or communication arrangement (5) for preventing transport of the mobile telephone switched on through the passage (1). |
