Abstract: An antenna structure for a contactless wearable structure having a plurality of antenna tracks on the substrate, the opposite ends of which are connectable to form an antenna when the substrate is bent, a plurality of capacitor elements on the substrate that are couplable to the antenna for adjusting the resonance frequency of the antenna, and at least one predefined separation region, by means of which it is possible to adjust which of the plurality of capacitor elements are electrically conductively connectable to the antenna when the substrate is bent, in order to form at least one capacitor with a predetermined total capacitance that is electrically conductively coupled to the antenna.

Abstract: A secure computing device having a storage arrangement configured to store a secret. The secure computing device includes a first interface configured to control a display, and a second interface configured to receive an input signal having information which reproduces a prompt to display the secret. The secure computing device is designed to read the secret from the storage arrangement on the basis of the input signal, and to control the display via the first interface in such a way that a display of the secret is effected.

Abstract: A sensor device is provided that includes a fingerprint sensor and an antenna coupled with the fingerprint sensor for inductive coupling of the fingerprint sensor with a booster antenna.

Abstract: A method comprises generating a signed blockchain transaction using a secure computing device arranged in a local area, and an apparatus set up for short-range communication. The method comprises associating the signed blockchain transactions with the local area, wherein the signed blockchain transaction indicates a presence of the apparatus in the local area.

Abstract: A wallet including an electronic data storage unit for storing wallet information, and a data interface configured to provide a read access to the electronic data storage unit. A controller of the wallet is configured to control the wallet at a first point in time in a first operating mode, in which there is a restriction for the read access to the wallet information, and to control the wallet at a later second point in time in a second operating mode, in which the restriction to the read access is cancelled. The transition from the first operating mode to the second operating mode is irreversible.

Abstract: An electronic communication device having a coil antenna with a first end connection, a second end connection, and a mid-connection, a communication device which is connected between the first end connection and the mid-connection and is configured to communicate with another communication device via the coil antenna, and an energy generation circuit which is connected between the first end connection and the second end connection and is configured to receive energy via the coil antenna and to supply at least one component of the electronic communication device with the received energy.

Abstract: An electronic apparatus having a memory arrangement, which is configured to store a plurality of sets of private-key material, and a data processor, which is configured to sign a message in accordance with two or more sets of private-key material from the plurality of sets of private-key material.

Abstract: A wearable device including an antenna structure, a chip having a receiver which is electrically coupled to the antenna structure and is configured to receive radio signals by means of the antenna structure, and a trigger device which is arranged in or on the wearable device, which device comprises electrically conductive material and which is configured to trigger foreign object detection in a wireless energy charger in accordance with a wireless charging standard for wirelessly charging an electronic device by means of taking up load from radio waves emitted by the wireless energy charger.

Abstract: A device for an electronic cigarette. The device includes an enveloping element defining an interior, and an authentication device arranged in or on the enveloping element. The authentication device includes a planar loop antenna, and an authentication logic coupled to the planar loop antenna and configured to provide an authentication of the device vis-à-vis a control element of the electronic cigarette. The planar loop antenna is arranged in rolled form in the interior of the enveloping element or on the exterior of the enveloping element. The loop antenna comprises conduction sections in two opposite regions of the planar loop antenna, which extend in the longitudinal direction of the rolled loop antenna. The conduction sections of the opposite regions are arranged such that they are adjacent or overlap one another, with a result that their respective fields mutually compensate for one another at least partly.

Abstract: A chip card body including a metal plate having at least one slot which defines a current flow path on the metal plate, and having a coupling region to accommodate a chip with an antenna, wherein the coupling region is configured to inductively couple the metal plate to the antenna of the chip, a dielectric layer applied to the metal plate, an electrically conductive layer applied to a side of the dielectric layer opposite the metal plate, and at least one electrically conductive coupling between the metal plate and the electrically conductive layer, wherein the metal plate, the dielectric layer and the electrically conductive layer form a capacitor.

Abstract: A circuit for performing a near-field communication having a contactless circuit which is configured for the contactless exchange of data signals with an external contactless reading device, a security circuit which has a memory in which application identifiers are stored and which is configured to execute security-related applications, and a control circuit which is configured to execute non-security-related applications, wherein the contactless circuit, the security circuit and the control circuit are coupled with one another in such a way and, using at least one of the application identifiers, are configured in such a way that the data signals are supplied from the contactless circuit to the control circuit and vice versa exclusively by means of the security circuit. The security circuit can furthermore store bonding and authentication keys for applications in the control circuit in order to set up a secure data exchange channel for these applications.

Abstract: A chip card is provided. The chip card can have a metal layer in which an opening is formed and a slot that extends from one edge of the opening to the outer edge of the metal layer, a booster antenna structure, arranged in the opening, having an antenna section for electromagnetically coupling to the metal layer and having a coupling region for electromagnetically coupling to an antenna structure of a chip module, and the chip module, which is arranged in the coupling region, having the antenna structure arranged on the chip module.

Abstract: A sensor device is provided that includes a fingerprint sensor and an antenna coupled with the fingerprint sensor for inductive coupling of the fingerprint sensor with a booster antenna.

Abstract: A method comprises generating a signed blockchain transaction using a secure computing device arranged in a local area, and an apparatus set up for short-range communication. The method comprises associating the signed blockchain transactions with the local area, wherein the signed blockchain transaction indicates a presence of the apparatus in the local area.

Abstract: A boosted near field communication device includes an electronic circuit, a transceiver circuit, an interface coupling the electronic circuit with a host controller, and a memory containing a first information about an activation characteristic of the electronic circuit. The transceiver circuit is configured to determine a timing requirement of a reading device based on one or more request signals, activate the electronic circuit with energy obtained at least one of from an electromagnetic field generated by the reading device or from a battery on receiving a request signal from the reading device, and ensure that after activating the electronic circuit, the electronic circuit can receive and process a request signal from the reading device corresponding to the determined timing requirement by using the determined timing requirement and the first information about an activation characteristic.

Abstract: A chip card body including a metal plate, a reception region in the metal plate for receiving a chip and configured for inductive coupling of the metal plate to a chip received in the reception region; and at least one through-opening in the metal plate and configured such that at least a part of the metal plate acts as an antenna for delivering an electromagnetic signal to the reception region.

Abstract: A chip card is provided. The chip card can have a metal layer in which an opening is formed and a slot that extends from one edge of the opening to the outer edge of the metal layer, a booster antenna structure, arranged in the opening, having an antenna section for electromagnetically coupling to the metal layer and having a coupling region for electromagnetically coupling to an antenna structure of a chip module, and the chip module, which is arranged in the coupling region, having the antenna structure arranged on the chip module.

Abstract: A secure computing device having a storage arrangement configured to store a secret. The secure computing device includes a first interface configured to control a display, and a second interface configured to receive an input signal having information which reproduces a prompt to display the secret. The secure computing device is designed to read the secret from the storage arrangement on the basis of the input signal, and to control the display via the first interface in such a way that a display of the secret is effected.

Abstract: A ferrite antenna is disclosed. The ferrite antenna includes a ferrite core a first main face, a second main face opposite to the first main face, and side faces connecting the first and second main faces. A first plurality of conductor wires are disposed at the first main face of the ferrite core; a second plurality of conductor wires disposed at the second main face of the ferrite core. A first connection member is disposed at a first side face of the ferrite core, the first connection member including a first plurality of connection wires; and a second connection member is disposed at a second side face of the ferrite core, the second connection member including a second plurality of connection wires; wherein the first and second pluralities of conductor wires and the first and second plurality of connection wires are interconnected in such a way that they form an antenna coil, wherein the ferrite core is disposed in the interior space of the antenna coil.

Abstract: An electronic apparatus having a memory arrangement, which is configured to store a plurality of sets of private-key material, and a data processor, which is configured to sign a message in accordance with two or more sets of private-key material from the plurality of sets of private-key material.