Abstract: A resonance label (E) is deactivated by transmitting only a single discharge pulse which produces only a click signal instead of an oscillation and destroys the label (E). A discharge capacitor (C1) which is connected in series with a transmitting antenna (L1) and is rechargeable via a switching system (LDR, 1-5) preferably serves as the energy source for delivering the discharge pulse.
Abstract: In order to produce labels incorporating electrical oscillating circuits, certain parts of the circuits are initially punched out of a center area of a metal web covered by an adhesive. Thereafter the center area is covered by an insulating material web for handling stability in order to thereafter punch out the part of the circuit to be located at the outer web area. A covering foil is laminated onto the metal web and the parts of the circuits to be located at the reverse side are applied onto the insulating material web and connected electrically to the remainder of the circuit. This allows an economical and yet precise mass production of labels, for instance for a use in article safeguarding and controlling systems.
Abstract: For carrying out the deactivation at a lower current and with greater reliability, at least one continuous hole (11) which can be made, for example, by means of a needle roll is provided in the insulating layer (1) of a resonance label in the region (10) between two conducting layers (2, 3).
Abstract: To produce an electrically conducting circuit pattern (2), in particular a resonant label, on a substrate (1), the insulating layer to be provided between two surface sections (2, 2a) of the circuit pattern is applied in a liquid or pasty, i.e. deformable, state so that its thickness and arrangement can be more readily influenced. A typical circuit arrangement which can be produced by a process of this type is distinguished by the fact that either the insulating layer (6) is as thin as possible or it is present only over the conducting parts (2, 2a), whereas areas lying in between are free from such an insulating layer (6).
Abstract: The most essential of this novel production method of planar circuit or oscillating circuits is that the most important steps for extricating the conduit tracts on at least one electrically conductive layers is performed by laser beams, whereby already the initial reference points for the plurality of circuits to be produced are practically simultaneously applied by lasers and the application of the laser technique allows, furthermore, an exact correcting of the elements of the circuit by a simple reworking and highly precise circuits are formed which are extremely economically produced.