Security label for theft prevention

摘要

The security label, for safeguarding an article against theft, comprises at least one carrier layer and an electronically detectable security element, which comprises a quartz oscillator (1), which specifically has a given resonance frequency (fres). The specified resonance frequency (fres) is designed to lie in the MHz-range of frequencies. At least one additional carrier layer is provided, with the quartz oscillator (1) arranged between the two carrier layers.