Abstract: According to a first aspect of the present disclosure, a mobile device for facilitating a transaction is provided, comprising: a secure element configured to contain transaction-related data; an ultra-wideband radio unit operatively coupled to the secure element and configured to carry out ultra-wideband radio communication with an external reader; wherein the ultra-wideband radio unit is configured to operate as an interface between the secure element and said external reader. According to a second aspect of the present disclosure, a reader for facilitating a transaction is provided, comprising: an ultra-wideband communication and tracking unit configured to communicate with at least one external mobile device having an ultra-wideband radio unit and to track said mobile device; a processing unit operatively coupled to the ultra-wideband communication and tracking unit, said processing unit being configured to process at least one transaction.

Abstract: A method for data transmission, wherein a first element conveys electrical power to a second element via an electrical supply line, and wherein the second element transmits data to the first element by modulating a current conveyed via the electrical supply line.

Abstract: According to a first aspect of the present disclosure, a mobile device for facilitating a transaction is provided, comprising: a secure element configured to contain transaction-related data; an ultra-wideband radio unit operatively coupled to the secure element and configured to carry out ultra-wideband radio communication with an external reader; wherein the ultra-wideband radio unit is configured to operate as an interface between the secure element and said external reader. According to a second aspect of the present disclosure, a reader for facilitating a transaction is provided, comprising: an ultra-wideband communication and tracking unit configured to communicate with at least one external mobile device having an ultra-wideband radio unit and to track said mobile device; a processing unit operatively coupled to the ultra-wideband communication and tracking unit, said processing unit being configured to process at least one transaction.

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 transponder unit for the contactless transmission of modulated data to a reader is provided. The transponder unit includes a clock generator configured to generate a clock signal and to synchronize the clock signal in a synchronization mode, on the basis of a signal received from the reader, and a modulator, the modulator configured to modulate data on the basis of the clock signal from the clock generator. The modulator is configured to generate a modulation pause by masking out at least one modulation component, the modulation component being smaller than a modulation pulse. The modulator is further configured to send the signal for starting the synchronization mode to the clock generator during this modulation pause.

Abstract: In various embodiments, a transponder unit for the contactless transmission of modulated data to a reader is provided. The transponder unit may include: a clock generator configured to generate a clock signal and to synchronize the clock signal in a synchronization mode, on the basis of a signal received from the reader; and a modulator configured to take the clock signal from the clock generator as a basis for modulating data; wherein the modulator is configured to send a signal for starting the synchronization mode to the clock generator.

Abstract: A circuit arrangement is provided, having an antenna, a first circuit coupled to the antenna and configured to receive an antenna signal, which contains first data, and to process the antenna signal, as a result of which it produces a processed antenna signal having a different voltage level than that of the antenna signal. The first data are data transmitted from a communication device to the arrangement. The arrangement further includes a second circuit coupled to the first circuit via a wire-based interface. The first circuit is configured to transmit the processed antenna signal to the second circuit by a first channel of the wire-based interface and the second circuit is configured to transmit second data to the first circuit by a second channel of the wire-based interface. The first channel and the second channel are different. The second data are configuration data for configuring the first circuit.

Abstract: A transponder unit for the contactless transmission of modulated data to a reader is provided. The transponder unit includes a clock generator configured to generate a clock signal and to synchronize the clock signal in a synchronization mode, on the basis of a signal received from the reader, and a modulator, the modulator configured to modulate data on the basis of the clock signal from the clock generator. The modulator is configured to generate a modulation pause by masking out at least one modulation component, the modulation component being smaller than a modulation pulse. The modulator is further configured to send the signal for starting the synchronization mode to the clock generator during this modulation pause.

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 method for data transmission, wherein a first element conveys electrical power to a second element via an electrical supply line, and wherein the second element transmits data to the first element by modulating a current conveyed via the electrical supply line.

Abstract: In various embodiments, a chip card contact array arrangement is provided, having a carrier, a plurality of contact arrays which are arranged on a first side of the carrier, an electrically conductive structure which is arranged on a second side of the carrier, which is arranged opposite the first side of the carrier, a first plated-through hole and a second plated-through hole, wherein the first plated-through hole is coupled to the electrically conductive structure, a connecting structure which is arranged on the first side of the carrier, wherein the connecting structure connects the first plated-through hole to the second plated-through hole, the connecting structure having a longitudinal extent which runs parallel to a direction in which a contact-connection device on a reading device is moved relative to the plurality of contacts.

Abstract: In a near field communication partner device (1) intended for the contactless transmission of digital data to be transmitted having a transmission circuit (2), the transmission circuit (2) comprises a modulation circuit (17) for the amplitude modulation of a carrier signal (CS), which modulation circuit (17) comprises a circuit stage (20, 20?) for producing a plurality of different resistance values (RW1, RW1?) that act on a signal output (TX1, TX2), which resistance values (RW1, RW1?) can be transformed, by means of a signal processing circuit (3) arranged to transform resistance values that belongs to the communication partner device (1), into transformed resistance values (RW2, RW2?), which transformed resistance values (RW2, RW2?) are responsible for damping a transmission coil (7) of the communication partner device (1) when modulated low-level carrier signal sections are generated in a modulated carrier signal.

Abstract: In a near field communication partner device (1) intended for the contactless transmission of digital data to be transmitted having a transmission circuit (2), the transmission circuit (2) comprises a modulation circuit (17) for the amplitude modulation of a carrier signal (CS), which modulation circuit (17) comprises a circuit stage (20, 20?) for producing a plurality of different resistance values (RW1, RW1?) that act on a signal output (TX1, TX2), which resistance values (RW1, RW1?) can be transformed, by means of a signal processing circuit (3) arranged to transform resistance values that belongs to the communication partner device (1), into transformed resistance values (RW2, RW2?), which transformed resistance values (RW2, RW2?) are responsible for damping a transmission coil (7) of the communication partner device (1) when modulated low-level carrier signal sections are generated in a modulated carrier signal.

Abstract: A communication method in a system having a reader and at least one transceiver, the method including the reader selecting a response signal strength level from a plurality of response signal strength levels; and establishing communication between the reader and the at least one transceiver at the selected response signal strength level.

Abstract: In a communication partner device (1) intended for the contactless transmission of digital data to be transmitted having a transmission circuit (2), the transmission circuit (2) comprises a modulation circuit (17) for the amplitude modulation of a carrier signal (CS), which modulation circuit (17) comprises a circuit stage (20, 20?) for producing a plurality of different resistance values (RW 1, RW 1?) that act on a signal output (TX1, TX2), which resistance values (RW1, RW1?) can be transformed, by means of a signal processing circuit (3) arranged to transform resistance values that belongs to the communication partner device (1), into transformed resistance values (RW2, RW2?), which transformed resistance values (RW2, RW2?) are responsible for damping a transmission coil (7) of the communication partner device (1) when modulated low-level carrier signal sections are generated in a modulated carrier signal.

Abstract: Embodiments provide an integrated circuit device including a contactless integrated circuit inlay. The device includes a substrate, an integrated circuit coupled to the substrate, and a coil electrically coupled to the integrated circuit and coupled to the substrate. The coil includes a first conductive line disposed in multiple turns on the substrate and a second conductive line disposed in multiple turns on the substrate.

Abstract: A coil pair having a transmission coil and a reception coil. The transmission coil is configured to transmit a transmission signal having a carrier. The reception coil is configured to receive from a source a reception signal having the carrier and data, and to significantly suppress the carrier while maintaining coupling with the source at any position along and any position proximate to the reception coil.

Abstract: In a data carrier (1), there are provided modification means (19) for modifying, as a function of the distance between the data carrier (1) and the base station (4), the ratio of the duration of a load period (TB) to the duration of an off-load period (TE), at which ratio the data carrier (1) load-modulates the electromagnetic field (HF) generated by a base station (4).

Abstract: In a communication partner device (1) intended for the contactless transmission of digital data to be transmitted having a transmission circuit (2), the transmission circuit (2) comprises a modulation circuit (17) for the amplitude modulation of a carrier signal (CS), which modulation circuit (17) comprises a circuit stage (20, 20?) for producing a plurality of different resistance values (RW 1, RW 1?) that act on a signal output (TX1, TX2), which resistance values (RW1, RW1?) can be transformed, by means of a signal processing circuit (3) arranged to transform resistance values that belongs to the communication partner device (1), into transformed resistance values (RW2, RW2?), which transformed resistance values (RW2, RW2?) are responsible for damping a transmission coil (7) of the communication partner device (1) when modulated low-level carrier signal sections are generated in a modulated carrier signal.

Abstract: In a signal processing circuit (3) for a contactlessly communicating communication partner device (1), there are provided a transmitted-signal path (9) and a received-signal path (10), the received-signal path (10) branching off from a branch point (AP) present on the transmitted-signal path (9), a filter stage (11) and a matching stage (12) connected downstream of the filter stage (11) being provided on the transmitted-signal path (9), the filter stage (11) having a resonant frequency that is in a frequency range the center frequency value of which matches an upper sideband frequency, and the branch point (AP) being situated between the filter stage (11) and the matching stage (12).