An alarm system for a portable device
作者： Juan Carlos Cordoba
DOI:
关键词:
摘要: The present invention relates to an alarm system (10) for preventing loss or theft of a portable and/or movable device (14; 12). comprises first 814) provided with communication means (18) operable communicate wireless another means, second (12) 816) com-munication means. At least one said and (18, 16) is configured generate signal when distance (D) between exceeds predetermined (d).
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