Moisture detection arrangement, especially for placing in nappies, comprises transponder with memory in communication with signaling device

摘要

The sensor device (1) comprises at least one electronic transponder generating a signal each time moisture is detected, the signal being stored in a memory (4). The signaling device (6) for reporting the presence of moisture has an antenna (10) for communication with the transponder memory. An arrangement for detecting and signaling the presence of moisture comprises a sensor device and a means (12) for fixing the device to an object (13, 14). The sensor device is provided with electronics for reporting the presence of moisture to a remote electronic signaling device via a wireless connection. The sensor device comprises at least one electronic transponder which generates a signal each time moisture is detected, the signal being stored in a memory. The signaling device has an antenna for transmitting electromagnetic impulses stored in the transponder memory, the device being instructed as to where the stored information is located and in what form it is stored. The transponder reports its status to the signaling device when contacted by the latter. An Independent claim is also included for the transponder, comprising a memory, an interface (2), a control device (3) and an antenna (5) which is located at the interface and formed by wire-like tracks of conductive material.