| 摘要 |
Electronic unit for connection, which may or may not be continuous, between persons and objects and comprising two pocket-sized devices, the first being a receiver (10) and the second consisting of one or more transmitting bodies (30) connected by electromagnetic waves, there being special circuits for continuous evaluation of the direction and the distance between the receiver and the transmitters, alarm and operative functions being brought into action when an electronic reference threshold, that can be selected by the user, is exceeded, the purpose of this being protection against theft and loss and to facilitate automatic activation and deactivation of structural and electronic protection systems.
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