FIELD: personal use articles.
SUBSTANCE: invention relates to a class of devices for prevention of the object loss. A device for prevention of the object loss and the quick search of the object comprises a slave device configured to work as a radio frequency identification tag (RFID), which has a unique identifying information in the internal memory of the tag, and a portable master device configured to operate as a RFID reader and which enables to change the range of detection and/or the width of detection of the area with which the master device detects the slave device. When the distance between the user and the object is beyond the predetermined limits, a warning is given to the user, such as an alarm signal or a voice signal for prevention of the object loss. Alternatively, it is possible to search quickly the object desired for the user placed not in its place.
EFFECT: improvement of usability.
10 cl, 9 dwg
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