作者: Klaus Meister , Pierre Meyers
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摘要: A locking system includes a key which has carrier provided with coded information. The information is obtained from an insulating layer containing plurality of windows in conductive strips extend. Each window traversed by at least one strip electrically connected to the and another insulated therefrom. Applying onto coating selectively insulates each either or other entire so that can be three modes. Cooperating reader contains reading contacts, potential supply contact different types code contacts arranged arbitrary manner communicates electrical circuitry determine correctness key.