| 摘要 |
This invention relates to a radio alarm and/or identification system particularly for protecting and identifying motor-vehicles and fixed objects, said system having at least one alarm transmitter (1) and an identification receiver (4) tuned to the frequency of the alarm transmitter (1); said alarm transmitter (1) having at least one detecting circuit (12, 13), a radio transmitter (17) connected to the output of the detecting circuit (12, 13), an antenna connected to the radio transmitter (17), and a switch, preferably remote switch (2), for setting and inactivating the alarm device; the identification receiver (4) having a radio receiver (42) equipped with an antenna, and a signalling unit (43) connected to the output of the radio receiver (42); said alarm transmitter (1) comprising a central controller (11) provided with a stored program; said central controller (11) having a data input connected to an output of a loading interface (15), sensing inputs connected to outputs of the detecting circuits (12, 13), an alarm output connected to the input of the radio transmitter (17); said identification receiver (4) having a central controller (41) provided with a stored program, and a display unit (44); said radio receiver (42) of the identification receiver (4) having a second output connected to the input of the central controller (41) of the identification receiver (4); said central controller (41) of the identification receiver (4) having an identification output connected to the input of said display unit (44) for displaying the identification data of the protected object in a direct form; and a portable receiver (3) comprising a radio receiver (31) equipped with an antenna and tuned to the frequency of the transmitter (17), a decoder (32) coupled to the output of said radio receiver (31), and a signalling unit (33) coupled to the output of said decoder (32).
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