Infineon Technologies Ag

Josef Gruber

Juergen Hoelzl

Walther Pachler

Stephan Rampetzreiter

Martin Buchsbaum

Frank Pueschner

Peter Stampka

Peter Raggam

Jens G Pohl

Petteri Palm

Albert Missoni

Thomas Spoettl

Matthias Emsenhuber

Edmund Ehrlich

Andreas Woerle

Matthias Pichler

Francois Poensgen

Oliver Kronschlaeger

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.

Wearable device, smart card and system

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.

Sensor device, method of forming a sensor device, chip card and method of forming a chip card

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.

Chip card

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.

Circuit, method and apparatus for performing near-field communication

A Near Field Communication (NFC) device for transmitting a signal, including an NFC transceiver circuit having a transmission terminal and a reception terminal connected to an antenna; an electronic signal damping circuit; and a controller configured to control the electronic signal damping circuit to dampen a signal at the reception terminal to have a lower impedance during a transmission mode of the NFC device, during which the NFC device transmits the signal by means of the antenna, as compared with during a reception mode of the NFC device.

Near field communication device, method for operating a near field communication device, chip card and wearable

A communication device having an antenna resonant circuit, an antenna driver which is configured to feed a carrier wave to the antenna resonant circuit, and a controller which is configured to detect that a synchronization period is imminent and is configured to control the antenna driver in such a way that the antenna driver feeds the inverted carrier wave to the antenna resonant circuit.

Communication device and method for operating an antenna resonant circuit

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.

Boosted near field communication device

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.

Near field communication ring

Various embodiments provide a communication module having a carrier, a loop antenna, a modulation circuit which is coupled to the loop antenna and is configured to modulate or demodulate signals which are received or transmitted using the loop antenna, and an impedance matching circuit for matching the impedance of the loop antenna to the input impedance of the modulation circuit. The modulation circuit and the impedance matching circuit are arranged inside the loop antenna on or in the carrier.

Communication module

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.

Antenna arrangement, communication appliance and antenna structure

According to one embodiment, a hybrid antenna is described comprising a plurality of windings wherein each winding comprises a loop antenna portion arranged in a plane and a ferrite antenna portion arranged at least partially outside of the plane.

Hybrid antenna, antenna arrangement and method for manufacturing an antenna arrangement

A chip card reading arrangement is provided including a chip card reading device including a data processing circuit and a reader antenna coupled to the data processing circuit arranged at a surface of the chip card reading device for placing a chip card to communicate with the chip card reading device via the reader antenna. The data processing circuit is configured to process at least one of signals received via the reader antenna and signals to be transmitted via the reader antenna. The chip card reading arrangement further includes an antenna structure including an antenna body, a first antenna and a second antenna coupled to the first antenna and surrounded by the first antenna. The antenna structure is arranged on and fixed to the surface of the chip card reading device such that the reader antenna surrounds the second antenna.

Chip card reading arrangement

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.

Transponder unit, system and method for contactless data transmission

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.

Growing community of inventors

St. Ruprecht an der Raab, Austria

Josef Gruber