| 摘要 |
A device for detecting an intruder detects an intruder in a predetermined area by detecting the change of the near-field of a transmission line which is installed on the boundary of the area to be monitored and to which power is applied for transmitting electronic signals. The device for detecting an intruder comprises the transmission line, a matcher, and a detector. [Reference numerals] (120) Signal generation unit;(140) Filtering unit;(150) Matching unit;(160) Sensing unit |
