Patents by Inventor Fabio Sebastiano
Fabio Sebastiano 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: 20220094341Abstract: Quantum circuit assemblies that employ active pulse shaping in order to be able to control states of a plurality of qubits with signal pulses propagated over a shared signal propagation channel are disclosed. An example quantum circuit assembly includes a quantum circuit component that includes a first qubit, associated with a first frequency to control the state of the first qubit, and a second qubit, associated with a second frequency to control the state of the second qubit. A shared transmission channel is coupled to the first and second qubits. The assembly further includes a signal pulse generation circuit, configured to generate a signal pulse to be propagated over the shared transmission channel to control the state of the first qubit, where the signal pulse has a center frequency at the first frequency, a bandwidth that includes the second frequency, and a notch at the second frequency.Type: ApplicationFiled: September 24, 2020Publication date: March 24, 2022Applicant: Intel CorporationInventors: Stefano Pellerano, Jeroen Petrus Gerardus van Dijk, Bishnu Patra, Masoud Babaie, Fabio Sebastiano, Edoardo Charbon
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Patent number: 10491224Abstract: The present disclosure describes systems and methods to provide a digital wakeup timer with reduced size and lower power. An example system or apparatus includes a wakeup timer employing a digital-intensive frequency-locked loop (DFLL) architecture to fully utilize the advantages of advanced CMOS processes. Such a system includes a bang-bang frequency detector, a digital loop filter, a digitally-controlled oscillator (DCO), and a multi-phase clock generator. An output of the bang-bang frequency detector is provided to an input of the digital loop filter. An output of the digital loop filter is provided to the DCO. An output of the DCO includes information indicative of an output frequency. The multi-phase clock generator provides respective clock signals based on the output frequency to the bang-bang frequency detector, the digital loop filter, and the DCO.Type: GrantFiled: February 20, 2019Date of Patent: November 26, 2019Assignees: Stichting IMEC Nederland, Technische Universiteit DelftInventors: Ming Ding, Zhihao Zhou, Yao-Hong Liu, Fabio Sebastiano
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Publication number: 20190268007Abstract: The present disclosure describes systems and methods to provide a digital wakeup timer with reduced size and lower power. An example system or apparatus includes a wakeup timer employing a digital-intensive frequency-locked loop (DFLL) architecture to fully utilize the advantages of advanced CMOS processes. Such a system includes a bang-bang frequency detector, a digital loop filter, a digitally-controlled oscillator (DCO), and a multi-phase clock generator. An output of the bang-bang frequency detector is provided to an input of the digital loop filter. An output of the digital loop filter is provided to the DCO. An output of the DCO includes information indicative of an output frequency. The multi-phase clock generator provides respective clock signals based on the output frequency to the bang-bang frequency detector, the digital loop filter, and the DCO.Type: ApplicationFiled: February 20, 2019Publication date: August 29, 2019Inventors: Ming Ding, Zhihao Zhou, Yao-Hong Liu, Fabio Sebastiano
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Patent number: 9939496Abstract: A sensor system is disclosed. The sensor system includes a first sensor path comprising a first sensing element and a second sensing element being connected in series between a first supply terminal and a second supply terminal and an intermediate node connected in between the first supply terminal and the second supply terminal, a second sensor path comprising a third sensing element and a fourth sensing element connected in series between the first supply terminal and the second supply terminal, a first reference node connected in between the first supply terminal and the second supply terminal, and a second reference node connected in between the first supply terminal and the second supply terminal, and a processing unit to receive an input signal from the intermediate node, a first reference signal from the first reference node, and a second reference signal from the second reference node.Type: GrantFiled: May 19, 2015Date of Patent: April 10, 2018Assignee: NXP B.V.Inventors: Edwin Schapendonk, Pieter Van Der Zee, Fabio Sebastiano, Robert Van Veldhoven
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Patent number: 9817082Abstract: A magnetic sensor arrangement for determining information indicative of characteristics of a mechanical component has a first magnetic sensor to sense a signal associated with a periodic changing magnetic field generated by relative movement of the mechanical component and the magnetic sensor arrangement, a second magnetic sensor to sense that signal, wherein the first sensor is arranged a fixed distance from the second sensor, and a determination unit coupled to the first and second sensors to receive output signals of the first and second sensors. The output signal of the first sensor is phase-shifted to the output signal of the second sensor, to compare the output signals for determining the absolute phase of the signal associated with the periodic changing magnetic field, and to determine information indicative of characteristics of the mechanical component based on the determined absolute phase of the signal associated with the periodic changing magnetic field.Type: GrantFiled: May 22, 2013Date of Patent: November 14, 2017Assignee: NXP B.V.Inventors: Fabio Sebastiano, Robert Hendrikus Margaretha Van Veldhoven
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Patent number: 9658295Abstract: There is described a device for removing an offset from a signal, the device comprising (a) a frequency estimation unit (260) for estimating a frequency of the signal, (b) an offset estimation unit (222) for estimating the offset in the signal by applying an adaptive low pass filter to the signal, wherein a cut-off frequency of the adaptive low pass filter is determined based on the frequency of the signal estimated by the frequency estimation unit (260), and (c) a subtraction unit (230) adapted to subtract the offset estimated by the offset estimation unit (222) from the signal. There is also described a filter unit comprising the device. Furthermore, there is described a corresponding method of removing an offset from a signal as well as a computer program and a computer program product for performing the method by means of a computer.Type: GrantFiled: September 2, 2014Date of Patent: May 23, 2017Assignee: NXP B.V.Inventors: Robert Hendrikus Margaretha van Veldhoven, Fabio Sebastiano
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Patent number: 9614519Abstract: There is described a driver for a switched capacitor circuit (230, 330), the driver comprising (a) a voltage amplifier (210, 310) comprising a signal input (212, 312), a feedback input (214, 314) and an amplifier output (216, 316), and (b) a feedback network (220) coupled between the amplifier output (216, 316) and the feedback input (214, 314). The feedback network comprises a track-and-hold circuit (222) adapted to mask a voltage dip occurring at the amplifier output (216, 316) at the beginning of a switched capacitor circuit charging phase. There is also described a switched capacitor circuit comprising such a driver, a sensor device, and a method of driving a switched capacitor circuit.Type: GrantFiled: June 3, 2015Date of Patent: April 4, 2017Assignee: NXP B.V.Inventor: Fabio Sebastiano
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Publication number: 20160341800Abstract: It is described a sensor system (100, 200, 300) comprising (a) a first sensor path (110) comprising a first sensing element (111) and a second sensing element (112) being connected in series between a first supply terminal (st1) and a second supply terminal (st2) and an intermediate node (in, in1) being provided in between the first supply terminal (st1) and the second supply terminal (st2), (b) a second sensor path (120) comprising (b1) a third sensing element (123) and a fourth sensing element (124) being connected in series between the first supply terminal (st1) and the second supply terminal (st2), wherein the third sensing element (123) is subdivided into a first third subcomponent (R3a) and a second third subcomponent (R3b) and the fourth sensing element (124) is subdivided into a first fourth subcomponent (R4a) and a second fourth subcomponent (R4b), (b2) a first reference node (rn1) being provided in between the first supply terminal (st1) and the second supply terminal (st2), and (b3) a second referType: ApplicationFiled: May 19, 2015Publication date: November 24, 2016Inventors: Edwin SCHAPENDONK, Pieter VAN DER ZEE, Fabio SEBASTIANO, Robert VAN VELDHOVEN
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Patent number: 9325340Abstract: An efficient analog to digital converter is disclosed. The efficient analog to digital converter includes a coarse analog to digital converter coupled to an input analog signal. The coarse analog to digital converter is configured to provide an approximate digital representation of the input analog signal. The efficient analog to digital converter also includes a fine analog to digital converter coupled to the input analog signal. The output of the coarse analog to digital converter is coupled to the fine analog to digital converter. The fine analog to digital converter is configured to set input range of the fine analog to digital converter as a function of the output of the coarse analog to digital converter.Type: GrantFiled: September 2, 2014Date of Patent: April 26, 2016Assignee: NXP, B.V.Inventors: Burak Gonen, Fabio Sebastiano, Kofi Afolabi Anthony Makinwa, Robert Hendrikus Margaretha van Veldhoven
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Publication number: 20160065231Abstract: An efficient analog to digital converter is disclosed. The efficient analog to digital converter includes a coarse analog to digital converter coupled to an input analog signal. The coarse analog to digital converter is configured to provide an approximate digital representation of the input analog signal. The efficient analog to digital converter also includes a fine analog to digital converter coupled to the input analog signal. The output of the coarse analog to digital converter is coupled to the fine analog to digital converter. The fine analog to digital converter is configured to set input range of the fine analog to digital converter as a function of the output of the coarse analog to digital converter.Type: ApplicationFiled: September 2, 2014Publication date: March 3, 2016Inventors: Burak Gonen, Fabio Sebastiano, Kofi Afolabi Anthony Makinwa, Robert Hendrikus Margaretha van Veldhoven
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Patent number: 9240772Abstract: A low power frequency synthesizer circuit for a radio transceiver, the synthesizer circuit comprising: a digital controlled oscillator configured to generate an output signal (Fo) having a frequency controlled by an input digital control word (DCW); a feedback loop connected between an output and an input of the digital controlled oscillator, the feedback loop configured to provide the digital control word to the input of the digital controlled oscillator from an error derived from an input frequency control word (FCW) and the output signal; and a duty cycle module connected to the digital controlled oscillator and the feedback loop, the duty cycle module configured to generate a plurality of control signals to periodically enable and disable the digital controlled oscillator for a set fraction of clock cycles of an input reference clock signal (RefClock).Type: GrantFiled: March 30, 2010Date of Patent: January 19, 2016Assignee: NXP, B.V.Inventors: Salvatore Drago, Fabio Sebastiano, Dominicus Martinus Wilhelmus Leenaerts, Lucien Johannes Breems, Bram Nauta
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Publication number: 20150381165Abstract: There is described a driver for a switched capacitor circuit (230, 330), the driver comprising (a) a voltage amplifier (210, 310) comprising a signal input (212, 312), a feedback input (214, 314) and an amplifier output (216, 316), and (b) a feedback network (220) coupled between the amplifier output (216, 316) and the feedback input (214, 314). The feedback network comprises a track-and-hold circuit (222) adapted to mask a voltage dip occurring at the amplifier output (216, 316) at the beginning of a switched capacitor circuit charging phase. There is also described a switched capacitor circuit comprising such a driver, a sensor device, and a method of driving a switched capacitor circuit.Type: ApplicationFiled: June 3, 2015Publication date: December 31, 2015Inventor: Fabio SEBASTIANO
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Patent number: 9154149Abstract: An input stage for an A/D converter includes a transconductance element adapted to receive, at a first input of the transconductance element, an analog input signal that is to be converted to a digital signal by the A/D converter, a feedback path for providing an analog feedback signal to a second input of the transconductance element, the analog feedback signal being based on a digital output signal of the A/D converter, and an integrator for integrating an output current of the transconductance element, wherein the integrating element is adapted to generate an integrator output signal representative of the integrated output current. The input stage may be included in an A/D converter. A plurality of such A/D converters may be included in a system.Type: GrantFiled: November 25, 2014Date of Patent: October 6, 2015Assignee: NXP B.V.Inventors: Robert Hendrikus Margaretha van Veldhoven, Fabio Sebastiano
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Publication number: 20150171882Abstract: There is described an input stage for an A/D converter, comprising a transconductance element adapted to receive, at a first input of the transconductance element, an analog input signal that is to be converted to a digital signal by the A/D converter, a feedback path for providing an analog feedback signal to a second input of the transconductance element, the analog feedback signal being based on a digital output signal of the A/D converter, and an integrator for integrating an output current of the transconductance element, wherein the integrating element is adapted to generate an integrator output signal representative of the integrated output current. There is also described an A/D converter comprising such an input stage and a system comprising a plurality of such A/D converters.Type: ApplicationFiled: November 25, 2014Publication date: June 18, 2015Inventors: Robert Hendrikus Margaretha van Veldhoven, Fabio Sebastiano
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Patent number: 9031657Abstract: An implantable device for the acquisition and monitoring of brain bioelectric signals is described. The implantable device has a plurality of active electrodes configured to detect brain bioelectric signals, the active electrodes being arranged on a grid connected to an electronic module of the implantable device according to a predefined pattern. The active electrodes are connected to a microprocessor of the electronic module through respective paths formed on the grid and connected to at least one analog input unit arranged in the electronic module, the at least one analog input unit being in turn connected to at least one passive electrode and to the microprocessor through a data bus. The at least one analog input unit has an analog-to-digital converter for each active electrode connected thereto. A data acquisition and processing system, which includes the implantable device is also described.Type: GrantFiled: April 17, 2012Date of Patent: May 12, 2015Assignee: AB Medica S.p.A.Inventors: Paolo Cristiani, Antonino Paris, Stefano Marchetti, Panlaleo Romanelli, Fabio Sebastiano
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Publication number: 20150115933Abstract: There is described a device for removing an offset from a signal, the device comprising (a) a frequency estimation unit (260) for estimating a frequency of the signal, (b) an offset estimation unit (222) for estimating the offset in the signal by applying an adaptive low pass filter to the signal, wherein a cut-off frequency of the adaptive low pass filter is determined based on the frequency of the signal estimated by the frequency estimation unit (260), and (c) a subtraction unit (230) adapted to subtract the offset estimated by the offset estimation unit (222) from the signal. There is also described a filter unit comprising the device. Furthermore, there is described a corresponding method of removing an offset from a signal as well as a computer program and a computer program product for performing the method by means of a computer.Type: ApplicationFiled: September 2, 2014Publication date: April 30, 2015Inventors: Robert Hendrikus Margaretha van Veldhoven, Fabio Sebastiano
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Publication number: 20140194944Abstract: An implantable device for the acquisition and monitoring of brain bioelectric signals is described. The implantable device has a plurality of active electrodes configured to detect brain bioelectric signals, the active electrodes being arranged on a grid connected to an electronic module of the implantable device according to a predefined pattern. The active electrodes are connected to a microprocessor of the electronic module through respective paths formed on the grid and connected to at least one analog input unit arranged in the electronic module, the at least one analog input unit being in turn connected to at least one passive electrode and to the microprocessor through a data bus. The at least one analog input unit has an analog-to-digital converter for each active electrode connected thereto. A data acquisition and processing system, which includes the implantable device is also described.Type: ApplicationFiled: April 17, 2012Publication date: July 10, 2014Inventors: Pantaleo Romanelli, Fabio Sebastiano, Antonino Paris, Stefano Marchetti, Paolo Cristiani
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Patent number: 8664941Abstract: A magnetic sensing system, including: a magnetic component proximate a movable mechanical component; and a magnetic sensor configured to determine a movement of the mechanical component based on a magnetic field produced by the magnetic component. The magnetic sensor includes: a low-offset magnetic sensing element; a high-sensitivity magnetic sensing element; and an offset compensation circuit configured to: determine a zero-crossing of a sensing field from an output of the low-offset magnetic sensing element; sample an offset value of the high-sensitivity magnetic sensing element at the zero-crossing; and subtract the offset value from an output of the high-sensitivity magnetic sensing element.Type: GrantFiled: August 24, 2011Date of Patent: March 4, 2014Assignee: NXP B.V.Inventors: Fabio Sebastiano, Robert Hendrikus Margaretha van Veldhoven
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Patent number: 8620394Abstract: Communication networks are implemented using a variety of devices and methods. In a particular embodiment for use in a communication network having RF-communication devices that communicate using a RF protocol, an RF-communication device is implemented with an RF transceiver (110) to communicate over the network using the RF protocol and being controllable in a reduced power-consumption mode in which the RF transceiver does not communicate over the network. The device also includes an RF receiver (104, 106) including an envelope detector (104) and a pulse generator circuit (106). The envelope detector circuit (104) providing an envelope-based signal to a pulse generator circuit (106) that, in response to the envelope-based signal and after generating a number of pulses that exceeds a predetermined number of pulses, prompts the RF transceiver (110) to transition out of the reduced power-consumption mode.Type: GrantFiled: October 2, 2008Date of Patent: December 31, 2013Assignee: NXP, B.V.Inventors: Fabio Sebastiano, Salvatore Drago, Lucien Johannes Breems, Dominicus Martinues Wilhelmus Leenaerts
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Publication number: 20130328550Abstract: A magnetic sensor arrangement for determining information indicative of characteristics of a mechanical component has a first magnetic sensor to sense a signal associated with a periodic changing magnetic field generated by relative movement of the mechanical component and the magnetic sensor arrangement, a second magnetic sensor to sense that signal, wherein the first sensor is arranged a fixed distance from the second sensor, and a determination unit coupled to the first and second sensors to receive output signals of the first and second sensors. The output signal of the first sensor is phase-shifted to the output signal of the second sensor, to compare the output signals for determining the absolute phase of the signal associated with the periodic changing magnetic field, and to determine information indicative of characteristics of the mechanical component based on the determined absolute phase of the signal associated with the periodic changing magnetic field.Type: ApplicationFiled: May 22, 2013Publication date: December 12, 2013Applicant: NXP B.V.Inventors: Fabio SEBASTIANO, Robert Hendrikus Margaretha VAN VELDHOVEN