Patents by Inventor Christoph Sandner
Christoph Sandner 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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Patent number: 11552338Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.Type: GrantFiled: January 22, 2021Date of Patent: January 10, 2023Assignee: Infineon Technologies AGInventors: Stefano Marsili, Andreas Berger, Klaus Hoermaier, Guenter Hofer, Christoph Sandner
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Publication number: 20220261681Abstract: A device for controlling trapped ions includes an ion trap, a plurality of field electrodes configured to control ions in the ion trap, and a controller chip. The controller chip includes at least one delta-sigma digital to analog converter (DS-DAC) module including a DS-DAC circuit configured to receive a digital data stream, convert the digital data stream to analog control voltages, and supply the analog control voltages to the field electrodes.Type: ApplicationFiled: February 15, 2022Publication date: August 18, 2022Inventors: Michael Sieberer, Gerhard Maderbacher, Clemens Roessler, Christoph Sandner, Herwig Wappis
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Publication number: 20210151806Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.Type: ApplicationFiled: January 22, 2021Publication date: May 20, 2021Inventors: Stefano Marsili, Andreas Berger, Klaus Hoermaier, Guenter Hofer, Christoph Sandner
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Patent number: 10944133Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.Type: GrantFiled: January 11, 2019Date of Patent: March 9, 2021Assignee: INFINEON TECHNOLOGIES AGInventors: Stefano Marsili, Andreas Berger, Klaus Hoermaier, Guenter Hofer, Christoph Sandner
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Patent number: 10481214Abstract: A method and a temperature detection circuit are disclosed. An example of the method includes driving an alternating current with a first frequency into a battery and detecting an imaginary part of a battery impedance at the first frequency; driving an alternating current with a second frequency different from the first frequency into the battery and detecting an imaginary part of the battery impedance at the second frequency; and calculating an intercept frequency at which the imaginary part equals a predefined value at least based on the imaginary part obtained at the first frequency and the imaginary part obtained at the second frequency.Type: GrantFiled: January 30, 2017Date of Patent: November 19, 2019Assignee: Infineon Technologies AGInventors: Stefano Marsili, Christoph Sandner, Johannes Thielmann
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Publication number: 20190221893Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.Type: ApplicationFiled: January 11, 2019Publication date: July 18, 2019Inventors: Stefano Marsili, Andreas Berger, Klaus Hoermaier, Guenter Hofer, Christoph Sandner
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Publication number: 20180217209Abstract: A method and a temperature detection circuit are disclosed. An example of the method includes driving an alternating current with a first frequency into a battery and detecting an imaginary part of a battery impedance at the first frequency; driving an alternating current with a second frequency different from the first frequency into the battery and detecting an imaginary part of the battery impedance at the second frequency; and calculating an intercept frequency at which the imaginary part equals a predefined value at least based on the imaginary part obtained at the first frequency and the imaginary part obtained at the second frequency.Type: ApplicationFiled: January 30, 2017Publication date: August 2, 2018Inventors: Stefano Marsili, Christoph Sandner, Johannes Thielmann
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Patent number: 9755423Abstract: A circuit is described that includes a rectifier configured to rectify a DC output from an AC input, a sensing unit configured to detect a voltage level of the DC output, and a control unit configured to control the rectifier based on the voltage level of the DC output. The control unit is configured to control the rectifier output by at least controlling the rectifier to rectify the DC output from the AC input if the voltage level of the DC output does not indicate an overvoltage condition at the circuit. In addition, the control unit is configured to control the rectifier based on the voltage level of the DC output by at least controlling the rectifier to shunt current from the AC input if the voltage level of the DC output does indicate the overvoltage condition.Type: GrantFiled: March 13, 2014Date of Patent: September 5, 2017Assignee: Infineon Technologies AGInventors: Christoph Sandner, Matteo Agostinelli
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Patent number: 9712046Abstract: Representative implementations of devices and techniques determine the timing of switches associated with a dc-dc converter. The determination is based on a body diode conduction of at least one of the switches, which is detected and used to determine a switching delay.Type: GrantFiled: September 12, 2011Date of Patent: July 18, 2017Assignee: Infineon Technologies AGInventors: Christoph Sandner, Gerhard Maderbacher
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Patent number: 9312767Abstract: Methods, devices, and integrated circuits are disclosed for providing a buck converter charger in a multiphase buck converter topology comprising at least a first phase, a second phase, and an alternative charging switch, wherein the first phase includes a first high-side switch and a first low-side switch and the second phase includes a second high-side switch and a second low-side switch. The methods, devices, and integrated circuits may control at least one phase to operate as a boost converter, control at least one phase to operate as buck converter, and close the alternative charging switch in the multiphase buck converter topology to connect an alternative charging source to a system voltage output, the alternative charging switch coupled to the first phase between the first high-side switch and the first low-side switch.Type: GrantFiled: December 6, 2013Date of Patent: April 12, 2016Assignee: Infineon Technologies Austria AGInventors: Christoph Sandner, Cheow Guan Lim, Matteo Agostinelli, Mark Schauer
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Patent number: 9312760Abstract: A power converter is described that includes components arranged within a first die and a second die of a single package. The first die includes one or more first switches coupled to a switching node of a power stage. The second die includes one or more second switches coupled to the switching node of the power stage, a feedback control unit configured to detect a current level at the one or more second switches of the power stage, and a controller unit configured to control the one or more first switches and the one or more second switches of the power stage based at least in part on the current level detected by the feedback control unit.Type: GrantFiled: December 16, 2013Date of Patent: April 12, 2016Assignee: Infineon Technologies Austria AGInventors: Christoph Sandner, Roman Riederer, Josef Höglauer, Stephan Auer
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Patent number: 9264095Abstract: Amplifier for an ultra-wideband (UWB) signal receiver having a signal input (15) for receiving an ultra-wideband signal which is sent by a transmitter (1) and which is transmitted in a sequence of transmission channels (K.sub.i) (which each have a particular frequency bandwidth) which has been agreed between the transmitter (1) and the receiver (4); a transistor (18) whose control connection is connected to the signal input (15); a resonant circuit (26, 30, 31) which is connected to the transistor (18) and whose resonant frequency can be set for the purpose of selecting the transmission channel (K.sub.i) in line with the agreed sequence of transmission channels; and having a signal output (29) for outputting the amplified ultra-wideband signal, the signal output being tapped off between the transistor (18) and the resonant circuit.Type: GrantFiled: December 13, 2011Date of Patent: February 16, 2016Assignee: Lantiq Beteiligungs-GmbH & Co. KGInventors: Martin Friedrich, Christian Grewing, Giuseppe Li Puma, Christoph Sandner, Andreas Wiesbauer, Kay Winterberg, Stefan Van Waasen
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Publication number: 20150263511Abstract: A circuit is described that includes a rectifier configured to rectify a DC output from an AC input, a sensing unit configured to detect a voltage level of the DC output, and a control unit configured to control the rectifier based on the voltage level of the DC output. The control unit is configured to control the rectifier output by at least controlling the rectifier to rectify the DC output from the AC input if the voltage level of the DC output does not indicate an overvoltage condition at the circuit. In addition, the control unit is configured to control the rectifier based on the voltage level of the DC output by at least controlling the rectifier to shunt current from the AC input if the voltage level of the DC output does indicate the overvoltage condition.Type: ApplicationFiled: March 13, 2014Publication date: September 17, 2015Applicant: Infineon Technologies AGInventors: Christoph Sandner, Matteo Agostinelli
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Publication number: 20150171748Abstract: A power converter is described that includes components arranged within a first die and a second die of a single package. The first die includes one or more first switches coupled to a switching node of a power stage. The second die includes one or more second switches coupled to the switching node of the power stage, a feedback control unit configured to detect a current level at the one or more second switches of the power stage, and a controller unit configured to control the one or more first switches and the one or more second switches of the power stage based at least in part on the current level detected by the feedback control unit.Type: ApplicationFiled: December 16, 2013Publication date: June 18, 2015Applicant: Infineon Technologies Austria AGInventors: Christoph Sandner, Roman Riederer, Josef Höglauer, Stephan Auer
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Publication number: 20150162828Abstract: Methods, devices, and integrated circuits are disclosed for providing a buck converter charger in a multiphase buck converter topology comprising at least a first phase, a second phase, and an alternative charging switch, wherein the first phase includes a first high-side switch and a first low-side switch and the second phase includes a second high-side switch and a second low-side switch. The methods, devices, and integrated circuits may control at least one phase to operate as a boost converter, control at least one phase to operate as buck converter, and close the alternative charging switch in the multiphase buck converter topology to connect an alternative charging source to a system voltage output, the alternative charging switch coupled to the first phase between the first high-side switch and the first low-side switch.Type: ApplicationFiled: December 6, 2013Publication date: June 11, 2015Applicant: Infineon Technologies Austria AGInventors: Christoph Sandner, Cheow Guan Lim, Matteo Agostinelli, Mark Schauer
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Patent number: 8457176Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: GrantFiled: December 2, 2011Date of Patent: June 4, 2013Assignee: Lantiq Deutschland GmbHInventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Publication number: 20130063984Abstract: Representative implementations of devices and techniques determine the timing of switches associated with a dc-dc converter. The determination is based on a body diode conduction of at least one of the switches, which is detected and used to determine a switching delay.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Inventors: Christoph SANDNER, Gerhard MADERBACHER
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Publication number: 20120082186Abstract: Amplifier for an ultra-wideband (UWB) signal receiver having a signal input (15) for receiving an ultra-wideband signal which is sent by a transmitter (1) and which is transmitted in a sequence of transmission channels (K.sub.i) (which each have a particular frequency bandwidth) which has been agreed between the transmitter (1) and the receiver (4); a transistor (18) whose control connection is connected to the signal input (15); a resonant circuit (26, 30, 31) which is connected to the transistor (18) and whose resonant frequency can be set for the purpose of selecting the transmission channel (K.sub.i) in line with the agreed sequence of transmission channels; and having a signal output (29) for outputting the amplified ultra-wideband signal, the signal output being tapped off between the transistor (18) and the resonant circuit.Type: ApplicationFiled: December 13, 2011Publication date: April 5, 2012Applicant: Lantiq Deutschland GmbHInventors: Martin Friedrich, Christian Grewing, Giuseppe Li Puma, Christoph Sandner, Andreas Wiesbauer, Kay Winterberg, Stefan Van Waasen
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Publication number: 20120076174Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Applicant: Lantiq Deutschland GmbHInventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Patent number: 8094752Abstract: Amplifier for an ultra-wideband (UWB) signal receiver having a signal input (15) for receiving an ultra-wideband signal which is sent by a transmitter (1) and which is transmitted in a sequence of transmission channels (Ki) (which each have a particular frequency bandwidth) which has been agreed between the transmitter (1) and the receiver (4); a transistor (18) whose control connection is connected to the signal input (15); a resonant circuit (26, 30, 31) which is connected to the transistor (18) and whose resonant frequency can be set for the purpose of selecting the transmission channel (Ki) in line with the agreed sequence of transmission channels; and having a signal output (29) for outputting the amplified ultra-wideband signal, the signal output being tapped off between the transistor (18) and the resonant circuit.Type: GrantFiled: April 29, 2005Date of Patent: January 10, 2012Assignee: Lantiq Deutschland GmbHInventors: Martin Friedrich, Christian Grewing, Giuseppe Li Puma, Christoph Sandner, Andreas Wiesbauer, Kay Winterberg, Stefan Van Waasen