Patents by Inventor Martin Buchsbaum
Martin Buchsbaum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230396274Abstract: There is described a method of operating an NFC device, the method comprising: determining a resonance frequency of a matching network of the NFC device; modulating, by a modulator, a carrier signal received from an external reader, resulting in a modulated carrier signal; controlling, using a controller, a transmission of the modulated carrier signal to the external reader; and transmitting, by a transmitter driver, said modulated carrier signal, said transmitter driver having at least one configurable setting that influences a damping behavior of the transmitted modulated carrier signal, wherein, during a modulation phase of the NFC device, the controller selects and applies the at least one configurable setting based on the determined resonance frequency such that a clock synchronization window is widened. Furthermore, a corresponding NFC device is described.Type: ApplicationFiled: May 22, 2023Publication date: December 7, 2023Inventors: Adrian Rafael Krenn, Rahul Nadgouda, Erich Merlin, Martin Buchsbaum
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Patent number: 11005534Abstract: In accordance with a first aspect of the present disclosure, a near field communication (NFC) device is provided, comprising: a modulator configured to modulate a carrier signal received from an external reader, resulting in a modulated carrier signal; a controller configured to control a transmission of the modulated carrier signal to the external reader; a transmitter driver configured to transmit said modulated carrier signal, said transmitter driver having a variable resistance; wherein the controller is further configured to change said variable resistance during a modulation phase of the NFC device such that a clock synchronization window is widened. In accordance with a second aspect of the present disclosure, a corresponding method of operating an NFC device is conceived. In accordance with a third aspect of the present disclosure, a non-transitory machine-readable medium is provided, comprising instructions which, when executed, carry out a method of the kind set forth.Type: GrantFiled: August 10, 2020Date of Patent: May 11, 2021Assignee: NXP B.V.Inventors: Fred George Nunziata, Martin Buchsbaum, Erich Merlin, Adrian Rafael Krenn
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Publication number: 20210075470Abstract: In accordance with a first aspect of the present disclosure, a near field communication (NFC) device is provided, comprising: a modulator configured to modulate a carrier signal received from an external reader, resulting in a modulated carrier signal; a controller configured to control a transmission of the modulated carrier signal to the external reader; a transmitter driver configured to transmit said modulated carrier signal, said transmitter driver having a variable resistance; wherein the controller is further configured to change said variable resistance during a modulation phase of the NFC device such that a clock synchronization window is widened. In accordance with a second aspect of the present disclosure, a corresponding method of operating an NFC device is conceived. In accordance with a third aspect of the present disclosure, a non-transitory machine-readable medium is provided, comprising instructions which, when executed, carry out a method of the kind set forth.Type: ApplicationFiled: August 10, 2020Publication date: March 11, 2021Inventors: Fred George NUNZIATA, Martin Buchsbaum, Erich Merlin, Adrian Rafael Krenn
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Patent number: 10423870Abstract: 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.Type: GrantFiled: May 13, 2015Date of Patent: September 24, 2019Assignee: INFINEON TECHNOLOGIES AGInventors: Martin Buchsbaum, Josef Gruber, Juergen Hoelzl, Frank Pueschner, Peter Stampka
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Patent number: 10237000Abstract: A method for compensating phase shift is provided. The method includes sweeping a transmitter (TX) clock frequency over a frequency range and sampling resistance values at a receiver (RX) circuit while sweeping the TX clock frequency. A first frequency in the frequency range is determined which corresponds to a maximum resistance value sampled at the RX circuit. Using a look-up table (LUT), a phase adjust value is determined based on the first frequency. A phase of the TX clock is adjusted based on the phase adjust value.Type: GrantFiled: May 8, 2018Date of Patent: March 19, 2019Assignee: NXP B.V.Inventors: Martin Buchsbaum, Erich Merlin, Manuel Markus Figer
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Patent number: 9984321Abstract: 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.Type: GrantFiled: December 18, 2015Date of Patent: May 29, 2018Assignee: INFINEON TECHNOLOGIES AGInventors: Stephan Rampetzreiter, Martin Buchsbaum, Jakob Jongsma, Georg Skacel, Bernhard Wedl, Andreas Woerle
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Patent number: 9912058Abstract: 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.Type: GrantFiled: October 21, 2014Date of Patent: March 6, 2018Assignee: Infineon Technologies AGInventors: Petteri Palm, Martin Buchsbaum, Josef Gruber, Juergen Hoelzl, Frank Pueschner, Peter Stampka
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Patent number: 9444616Abstract: 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.Type: GrantFiled: May 16, 2014Date of Patent: September 13, 2016Assignee: INFINEON TECHNOLOGIES AGInventors: Peter Raggam, Josef Gruber, Martin Buchsbaum
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Patent number: 9418253Abstract: 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.Type: GrantFiled: November 23, 2012Date of Patent: August 16, 2016Assignee: INFINEON TECHNOLOGIES AGInventors: Martin Buchsbaum, Josef Gruber, Peter Raggam
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Publication number: 20160189024Abstract: 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.Type: ApplicationFiled: December 18, 2015Publication date: June 30, 2016Inventors: Stephan RAMPETZREITER, Martin BUCHSBAUM, Jakob JONGSMA, Georg SKACEL, Bernhard WEDL, Andreas WOERLE
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Publication number: 20160111787Abstract: 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.Type: ApplicationFiled: October 21, 2014Publication date: April 21, 2016Inventors: Petteri Palm, Martin Buchsbaum, Josef Gruber, Juergen Hoelzl, Frank Pueschner, Peter Stampka
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Publication number: 20150333397Abstract: 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.Type: ApplicationFiled: May 13, 2015Publication date: November 19, 2015Inventors: Martin BUCHSBAUM, Josef GRUBER, Juergen HOELZL, Frank PUESCHNER, Peter STAMPKA
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Publication number: 20150263789Abstract: 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.Type: ApplicationFiled: March 11, 2015Publication date: September 17, 2015Inventors: Martin Buchsbaum, Josef Gruber, Juergen Hoelzl, Walter Kargl, Peter Raggam
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Publication number: 20140341327Abstract: 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.Type: ApplicationFiled: May 16, 2014Publication date: November 20, 2014Applicant: Infineon Technologies AGInventors: Peter Raggam, Josef Gruber, Martin Buchsbaum
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Patent number: 8724340Abstract: 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.Type: GrantFiled: April 5, 2012Date of Patent: May 13, 2014Assignee: Infineon Technologies AGInventors: Juergen Hoegerl, Martin Buchsbaum, Frank Pueschner, Stephan Rampetzreiter
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Patent number: 8552841Abstract: 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.Type: GrantFiled: May 7, 2008Date of Patent: October 8, 2013Assignee: Infineon Technologies AGInventors: Peter Raggam, Martin Buchsbaum, Christian Pontesegger, Martin Liebl, Werner Drexel
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Publication number: 20120188736Abstract: 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.Type: ApplicationFiled: April 5, 2012Publication date: July 26, 2012Inventors: Juergen HOEGERL, Martin BUCHSBAUM, Frank PUESCHNER, Stephan RAMPETZREITER
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Publication number: 20090278665Abstract: 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.Type: ApplicationFiled: May 7, 2008Publication date: November 12, 2009Applicant: INFINEON TECHNOLOGIES AGInventors: Peter Raggam, Martin Buchsbaum, Christian Pontesegger, Martin Liebl, Werner Drexel