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 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 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 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 near field communication ring configured to be worn by a user is provided. The NFC ring may include at least one metal ring having a gap, a chip, and an antenna, wherein the chip and the antenna may be fixed to the at least one metal ring having a gap, and wherein the chip, using the antenna, is configured to provide a near field communication with an external device.

Abstract: In accordance with various embodiments, a circuit arrangement may include a first circuit, which is designed for contactless communication, and a second circuit, which is designed in accordance with a predefined functionality. The circuit arrangement may further include at least one electronic component which in a first operating mode together with the first circuit implements the contactless communication and in a second operating mode together with the second circuit implements the predefined functionality.

Abstract: A booster antenna structure for a chip card. The booster antenna structure includes a first electrical circuit, which forms a first resonant circuit, a second electrical circuit which forms a second resonant circuit, and a parallel coupling between the first electrical circuit and the second electrical circuit. The booster antenna structure is formed of a single wire.

Abstract: In various embodiments, an antenna arrangement is provided. The antenna arrangement may include at least one integrated circuit; at least one loop antenna that is coupled to the integrated circuit and that forms a loop antenna region; at least one antenna that is coupled to the integrated circuit and that has a magnet core; wherein at least one portion of the magnet core is arranged above a portion of the loop antenna region; wherein the portion of the magnet core overlaps the portion of the loop antenna region; or wherein the portion of the magnet core does not overlap the portion of the loop antenna region.

Abstract: A near field communication ring configured to be worn by a user is provided. The NFC ring may include at least one metal ring having a gap, a chip, and an antenna, wherein the chip and the antenna may be fixed to the at least one metal ring having a gap, and wherein the chip, using the antenna, is configured to provide a near field communication with an external device.

Abstract: In various embodiments, a chip card module for a chip card is provided. The chip card module may include a carrier with a first side and an opposite second side, a chip arranged over the first side of the carrier, an antenna arranged over the carrier. The antenna may be electrically conductively coupled to the chip and configured to inductively couple to a second antenna formed on a chip card body of the chip card. The chip card module may further include a capacitor electrically conductively coupled to the chip, the capacitor including a first electrode arranged over the first side of the carrier, and a second electrode arranged over the second side of the carrier.

Abstract: According to one embodiment, a chip card is described including a chip, an antenna, a coupling structure configured to transmit energy from the antenna to the chip and a control element configured to control, depending on a field strength of a magnetic field to which the chip card is exposed, at least one of the resonance frequency of the antenna, the quality factor of the antenna and an energy transmission efficiency of the coupling structure.

Abstract: In various embodiments, a chip card module for a chip card is provided. The chip card module may include a carrier with a first side and an opposite second side, a chip arranged over the first side of the carrier, an antenna arranged over the carrier. The antenna may be electrically conductively coupled to the chip and configured to inductively couple to a second antenna formed on a chip card body of the chip card. The chip card module may further include a capacitor electrically conductively coupled to the chip, the capacitor including a first electrode arranged over the first side of the carrier, and a second electrode arranged over the second side of the carrier.

Abstract: In accordance with various embodiments, a circuit arrangement may include a first circuit, which is designed for contactless communication, and a second circuit, which is designed in accordance with a predefined functionality. The circuit arrangement may further include at least one electronic component which in a first operating mode together with the first circuit implements the contactless communication and in a second operating mode together with the second circuit implements the predefined functionality.

Abstract: A booster antenna structure for a chip card. The booster antenna structure includes a first electrical circuit, which forms a first resonant circuit, a second electrical circuit which forms a second resonant circuit, and a parallel coupling between the first electrical circuit and the second electrical circuit. The booster antenna structure is formed of a single wire.

Abstract: According to one embodiment, a chip card is described including a chip, an antenna, a coupling structure configured to transmit energy from the antenna to the chip and a control element configured to control, depending on a field strength of a magnetic field to which the chip card is exposed, at least one of the resonance frequency of the antenna, the quality factor of the antenna and an energy transmission efficiency of the coupling structure.

Abstract: In various embodiments, a booster antenna structure for a chip card is provided, wherein the booster antenna structure may include a booster antenna; and an additional electrically conductive structure connected to the booster antenna.

Abstract: In various embodiments, a booster antenna structure is provided, comprising a chip coupling region; a coil having a conductor forming multiple windings, wherein the coil encloses the chip coupling region substantially completely, wherein the conductor is arranged around the chip coupling region in a crossover-free manner.

Abstract: In various embodiments, an antenna arrangement is provided. The antenna arrangement may include at least one integrated circuit; at least one loop antenna that is coupled to the integrated circuit and that forms a loop antenna region; at least one antenna that is coupled to the integrated circuit and that has a magnet core; wherein at least one portion of the magnet core is arranged above a portion of the loop antenna region; wherein the portion of the magnet core overlaps the portion of the loop antenna region; or wherein the portion of the magnet core does not overlap the portion of the loop antenna region.

Abstract: Data carrier for contactless data transmission comprising a substrate, a chip having at least one connection pad, wherein the chip is arranged by its side remote from the connection pad on the substrate and a first copper-coated prepreg layer is arranged on the chip and at least partly on the substrate and has a contact opening to the connection pad. A plated-through hole is situated within the contact opening for producing an electrically conductive connection between the connection pad of the chip and the copper layer of the first copper-coated prepreg layer, wherein a first antenna structure is formed in the copper layer of the first copper-coated prepreg layer.