| 摘要 |
The present invention relates to a device for electronically surveying items in a monitored area. The device is equipped with a transmitting and/or a receiving device. The aim of the surveying device is to provide an economical way for surveying electronically protected items. To this end, the surveying device is made up of individual layers of material, which taken individually are flexible and possessed of a low level of resistance, but when combined are characterized by a high level of rigidity and resistance.
|
