Monitoring device, for detecting movable objects or goods e.g. in vehicle, has transponder attached to goods to be monitored, and antenna that is provided for transmission of inventory changes of goods between query device and transponder

摘要

Monitoring device has a transponder (1) attached to goods to be monitored and a central processing unit that is guided by the totality of the transponder book located in a monitoring area, where the processing unit recognizes inventory changes of the goods. A query device (5) has an antenna (6) in the monitoring area for transmission of the inventory changes of the goods between the query device and the transponder.