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Nxp B v
Nxp B v dutch Corporation
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Nxp B v patents


Recent patent applications related to Nxp B v. Nxp B v is listed as an Agent/Assignee. Note: Nxp B v may have other listings under different names/spellings. We're not affiliated with Nxp B v, we're just tracking patents.

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Reverse current protection circuit for switch circuit

A reverse current protection circuit for a switch circuit includes a reverse current control circuit and an enable/disable circuit coupled to the reverse current control circuit. The reverse current control circuit is coupled to an input terminal and an output terminal of the switch circuit, and disconnects the output terminal... Nxp B v

Serial bus apparatus with controller circuit and related uses

Low power solutions can be provided in a serial bus system with a logic controller circuit. The logic controller circuit can include analog circuitry that includes a plurality of analog components and trimming circuitry for configuring the analog components. Digital circuitry can be configured to switch between an active mode... Nxp B v

Audio communication method and apparatus

An apparatus and method for speech communication is described. An audio transmit processor captures at least two audio signals from an audio source, and processes the at least two audio signals to provide a mono audio signal and a non-audio signal comprising spatial information representative of the direction of the... Nxp B v

Semiconductor device having two encapsulants

A semiconductor device includes a substrate, a semiconductor die mounted on and electrically connected to the substrate, and first and second encapsulants that are different from each other. The first encapsulant covers the die and at least part of the substrate. The second encapsulant covers the first encapsulant and a... Nxp B v

Optical communication interface

One example discloses an optical communication interface for a handheld device: wherein the handheld device, has an external surface; wherein the external surface includes an interior facing side and an exterior facing side; a first optical receiver, on the interior facing side of the handheld device, having an optical input... Nxp B v

Sb type c dual-role-port unattached duty cycle randomization

Disclosed is a universal serial bus (USB) circuit, comprising including a USB interface configured to transmit and receive power and data, a random number generator circuit configured to generate a random number, and a controller configured to receive the random number and to select a dual role port (DRP) duty... Nxp B v

Device and detecting semiconductor substrate thickness

Embodiments of devices and method for detecting semiconductor substrate thickness are disclosed. In an embodiment, an IC device includes a semiconductor substrate, a charge emitter embedded in the semiconductor substrate and configured to produce an electrical charge in the semiconductor substrate and a charge sensor embedded in the semiconductor substrate... Nxp B v

Usbpd type-c bmc encoded receive message squelch detection

Disclosed is a method of controlling a USB Power Delivery System including determining whether at least a predetermined length of initial bits of a message is received, turning on a clock when the predetermined length is received, determining whether the message has stopped, starting a counter when the message has... Nxp B v

Mobile device and determining its context

According to a first aspect of the present disclosure, a mobile device is provided, comprising: a motion sensor configured to detect one or more movements of the mobile device; an audio sensor configured to capture one or more audio signals; a processing unit configured to determine a context of the... Nxp B v

Apparatus and associated method

An apparatus comprising: a plurality of processors, a data bus, shared by the plurality of processors, and configured to at least receive data processed by each of the plurality of processors when performing predetermined tasks, the plurality of processors and data bus comprising at least part of a hardware based... Nxp B v

Receiver circuit

A receiver circuit comprising a beamformer and an MRC-block. The beamformer configured to: apply combination-weighting-values to a first-BF-input-signal and a second-BF-input-signal in order to provide a BF-combination-signal; and apply suppression-weighting-values to the first-BF-input-signal and the second-BF-input-signal in order to provide a BF-suppression-signal. The MRC-block comprising: a first-demodulator configured to demodulate... Nxp B v

Tag reader and system comprising a tag reader

A detection device for detecting the presence of an identification element within a detection area of the reader, the detection device defining at least a first a second and a third detection area each configured to receive one or more identification elements and the detection device being configured to detect... Nxp B v

Temperature-to-digital converter

Disclosed is an integrated circuit temperature sensor including a first capacitor having a first capacitance relative to a temperature, a second capacitor a second capacitance relative to the temperature, and a controller configured to determine a ratio of the first capacitance to the second capacitance in order to determine a... Nxp B v

User interface activation

A wrist watch and method of activating a user interface of the wrist watch are described. The wrist watch comprises a display for providing a user interface for a user when wearing the wrist watch on a wrist, a first motion sensor arranged to detect motion of the wrist watch... Nxp B v

Software protection against differential fault analysis

An encryption module and method for performing an encryption/decryption process executes two cryptographic operations in parallel in multiple stages. The two cryptographic operations are executed such that different rounds of the two cryptographic operations are performed in parallel by the same instruction or the same finite state machine (FSM) state... Nxp B v

Intelligent transportation system, host processor, vehicle and method therefor

An intelligent transportation system (ITS) for a vehicle is described. The ITS includes a host processor; and a vehicle speed sensor; operably coupled to the host processor and arranged to provide vehicle speed information to the host processor.... Nxp B v

Automotive security apparatus and associated methods

An automotive security apparatus, comprising: a security-terminal, configured to receive security-location-information representative of a location of the automotive security apparatus or a vehicle key; and a vehicle-location-terminal, configured to receive vehicle-location-information representative of a location of a vehicle, a processor, configured to compare the security-location-information with the vehicle-location-information, and determine... Nxp B v

Apparatus and associated authenticating firmware

a firmware authentication element configured to, based on received firmware and predetermined cryptographic authentication information, provide for cryptographic based authentication of the received firmware to control execution of the received firmware by any one of a plurality of processors.... Nxp B v

Rfid transponder and supplying energy thereto

A RFID transponder includes an active load modulation unit and an energy harvesting unit coupled to the active load modulation unit. The active load modulation unit performs active load modulation on transmitted signals. The energy harvesting unit harvests RF energy from the ambient environment, converts the RF energy to DC... Nxp B v

Semiconductor switch device

A method of making a semiconductor switch device and a semiconductor switch device made according to the method. The method includes depositing a gate dielectric on a major surface of a substrate. The method also includes depositing and patterning a gate electrode on the gate dielectric. The method further includes... Nxp B v

Switch mode power supplies, control arrangments therefor and methods of operating thereof

A control arrangement is disclosed for a switch mode power supply (SMPS), the SMPS comprising an opto-coupler configured to transfer, from a secondary side to a primary side of the switch mode power supply by means of an LED current, a control signal indicative of an error between an amplifier-reference-signal... Nxp B v

Network node and identifying a node in transmissions between neighbouring nodes of a network

A network node for a wireless network comprises a processor, a memory and an antenna. The network node is operable to generate a random or pseudo-random number and to assign said number as an address for identifying said node to other nodes in said network.... Nxp B v

Voltage regulator

A voltage regulator circuit that regulates voltage on an output node that provides power to a load circuit having varying current draw. A feedback voltage from the output node is compared to reference voltages. In response to the comparisons, pull-up/down circuits are applied to a gate-control node connected to the... Nxp B v

Buffer device, an electronic system, and a operating a buffer device

Embodiments of a buffer device, an electronic system, and a method for operating a buffer device are disclosed. In an embodiment, a buffer device includes buffer bus connections, a peripheral bus interface connectable to a peripheral bus, a buffer memory module, and a buffer memory controller connected between the buffer... Nxp B v

Cross-domain esd protection

Semiconductor devices with cross-domain electrostatic discharge (ESD) protection and related fabrication methods are provided. An exemplary semiconductor device includes first domain circuitry, second domain circuitry, and an interface coupled between an output node of the first domain driver circuitry and second domain receiver circuitry. The receiver circuitry includes a transistor... Nxp B v

Electronic tamper detection device

According to a first aspect of the present disclosure, an electronic tamper detection device is provided, comprising a radio frequency antenna, a tamper loop, a power level determination unit and a tamper measurement unit, wherein: the power level determination unit is configured to determine a power level of the tamper... Nxp B v

Modulation control through adaptive phase adjustment

A Near Field Communication (NFC) enabled device is disclosed. The NFC device includes an antenna. The NFC device also includes an impedance matching network, a carrier frequency generator to generate a carrier wave, a receiver for receiving a magnetic induction wave, a transmitter, a driver circuit configured to alter an... Nxp B v

Voltage regulator

One example discloses a voltage regulator, including: a power supply input; a regulated voltage output; an output transistor coupled to the power supply input and the regulated voltage output; and a current amplifier coupled between the power supply input and the regulated voltage output; wherein the current amplifier is configured... Nxp B v

Device detection using harmonics

Wireless power is provided to a WPP-compliant wireless device by generating a first radio frequency (RF) signal at a first frequency. The transmitter circuit is inductively coupled to the compliant wireless device using the first RF signal. A second RF signal is generated at a second frequency. The presence of... Nxp B v

Pattern detection

The present disclosure there is provided a pattern detection unit (300; 400) comprising a shift register (302; 402) configured to over-sample a multi-bit input signal such that each bit of the input signal is represented by a plurality of samples in the shift register (302; 402); and a correlator (304;... Nxp B v

Wireless charging transmitter

A wireless charging transmitter has a rectifier circuit, a transmitter coil, a transmitter coil driving circuit, and a control circuit. The rectifier circuit receives an alternating current (AC) mains input voltage and provides a rectified mains voltage. The transmitter coil is provided for inductively coupling with a receiver coil on... Nxp B v

Power harvesting for rfid/nfc-applications

Disclosed is a circuit apparatus including an input section configured to receive an electromagnetic (EM) transmission, a voltage divider section configured to divide the EM transmission into a plurality of voltage levels, a rectifier portion configured to rectify AC power received in the EM transmission, and a load configured to... Nxp B v

Gain calibration controller

A gain calibration controller and gain calibration method is described for calibrating the gain of a class D audio amplifier comprising an adjustable gain stage and a feedback path coupled to an output of a reconstruction filter. The gain calibration controller detects a first output noise level in a first... Nxp B v

Method and system for attenuator phase compensation

Embodiments of methods and systems for attenuator phase compensation are described. In an embodiment, a method for attenuator phase compensation involves determining a phase compensation value for an attenuator based on an attenuation configuration of the attenuator and performing phase compensation according to the phase compensation value to maintain a... Nxp B v

Nfc system wakeup with energy harvesting

The present invention provides for a system that makes use of a system power supply enable switch controlled by a near field communications (NFC) frontend with energy harvesting. In one embodiment, RF power in the 13.56 MHz band generated by a NFC counterpart (such as a mobile phone) is detected... Nxp B v

02/01/18 / #20180034510

Method and system to measure the phase offset based on the frequency response in a nfc system

The present invention provides for a method and system for compensating phase offset caused by a matching network and antenna of a communications device. The method comprises: generating a mapping that correlates phase offset with a characteristic parameter; measuring the characteristic parameter for the communications device; using the measured characteristic... Nxp B v

02/01/18 / #20180034512

Load-modulation detection component

A load-modulation detection component for an inductive coupling reader device. The load-modulation receiver device is arranged to receive an antenna voltage signal representative of a voltage across an antenna of the inductive coupling reader device and output at least one load-modulated signal. The load-modulation detection component comprises a down-converter component... Nxp B v

02/01/18 / #20180034621

Method and system for operating a communications device that communicates via inductive coupling

Embodiments of methods and systems for operating a communications device are described. In an embodiment, a method for operating a communications device that communicates via inductive coupling involves adjusting a phase configuration of the communications device in response to at least one system or environmental parameter, modulating a carrier signal... Nxp B v

02/01/18 / #20180034622

Method and system to calibrate phase supported by factory trim data

The present invention provides for a method and system to compensate phase offset caused by the IC (integrated circuit) by making use of factory measurement stored as trim-data in the IC. In the final customer product, the trim-data is mapped to the actual platform environment such that the respective phase... Nxp B v

02/01/18 / #20180034670

Receiver circuit

A receiver circuit comprising an averaging-processing-block that is configured to receive an OFDM signal. The OFDM signal comprises a plurality of sample-values, wherein the sample-values comprise: a middle-sample-value; a lower-sample-value-group; and a higher-sample-value-group. The averaging-processing-block can determine an averaged-sample-value for the middle-sample-value by performing an averaging operation on the sample-values... Nxp B v

02/01/18 / #20180034794

Method and updating an encryption key

A method and apparatus for updating an encryption key for performing encrypted communication over a communications network. The method comprises, within a timestamp distribution node, transmitting a message to at least one timestamp reception node of the communications network containing a timestamp value. The method further comprises, within the at... Nxp B v

01/25/18 / #20180024580

Low-dropout regulator with pole-zero tracking frequency compensation

An electronic device may include: a load and a voltage regulator coupled to the load and configured to provide a load current, where the voltage regulator includes a first and a second pass device coupled in parallel and configured to operate simultaneously. A method may include providing current to a... Nxp B v

01/25/18 / #20180025732

Audio classifier that includes a first processor and a second processor

The disclosure relates to an audio classifier comprising: a first processor having hard-wired logic configured to receive an audio signal and detect audio activity from the audio signal; and a second processor having reconfigurable logic configured to classify the audio signal as a type of audio signal in response to... Nxp B v

01/25/18 / #20180026610

Latch circuitry

Circuitry is configured to store data in response to a phase transition of an input clock. The circuitry uses a master-slave latch configuration. Each of the master and slave latches includes respective feedback circuits, input circuits, and selection circuits. The feedback circuits drive outputs of the respective latches to values... Nxp B v

01/25/18 / #20180027409

Method and system for configuring a mobile device

According to a first aspect of the present disclosure, a method of configuring a mobile device is conceived, comprising: determining a geographical location of said mobile device; retrieving one or more near field communication settings specific to the geographical location; applying and storing the near field communication settings to the... Nxp B v

01/18/18 / #20180019612

Apparatus and associated battery charging

provide an indication to the electronic device that the charger is disconnected from the mains power supply for causing the electronic device to indicate that the charger is disconnected from the mains power supply to a user of the electronic device.... Nxp B v

01/18/18 / #20180019709

Input/output cell

An integrated circuit and method are provided. The integrated circuit comprises: a digital core configured to output a first voltage signal: and a first input/output cell: wherein the first input/output cell is configured to convert the first voltage signal to a first current signal and provide the first current signal... Nxp B v

01/11/18 / #20180012037

Secure operation apparatuses and methods therefor

As may be implemented in accordance with one or more embodiments, and apparatus and/or method may involve a first circuit that initiates secure operations by interfacing with a user and providing operation trigger data that is signed cryptographically and secured from alteration, based on the interfacing. A second circuit, including... Nxp B v

01/11/18 / #20180012056

Fingerprint sensing system and method

According to a first aspect of the present disclosure, a fingerprint sensing system is provided, comprising: a sensing unit configured to measure a physical property of a sensing cell and to produce a voltage in dependence on said physical property; and an analog-to-digital converter configured to convert said voltage into... Nxp B v

01/11/18 / #20180012120

Method and system for facilitating the detection of time series patterns

According to a first aspect of the present disclosure, a method for facilitating the detection of one or more time series patterns is conceived, comprising building one or more artificial neural networks, wherein, for at least one time series pattern to be detected, a specific one of said artificial neural... Nxp B v

01/11/18 / #20180013604

Iq mismatch correction module

The disclosure relates to an IQ mismatch correction module for a radio receiver, the IQ mismatch correction module comprising: an input terminal configured to receive an input signal; an output terminal configured to provide a filtered output signal; a mismatch detection module comprising: one or more bandpass filters configured to... Nxp B v

01/11/18 / #20180013736

Equality check implemented with secret sharing

A method of performing an equality check in a secure system, including: receiving an input v having a known input property; splitting the input v into t secret shares vi where i is an integer index and t is greater than 1; splitting an input x into k secret shares... Nxp B v

01/04/18 / #20180004444

Method for performing multiple enrollments of a physically uncloneable function

A data processing system having a PUF and method for providing multiple enrollments, or instantiations, of the PUF are provided. A PUF segment includes a plurality of SRAM cells on an integrated circuit. A PUF response from the PUF segment is used to create a first activation code and a... Nxp B v

01/04/18 / #20180006021

Biased transistor module

A biased-transistor-module comprising: a module-input-terminal; a module-output-terminal; a reference-terminal; a module-supply-terminal configured to receive a supply voltage; a module-reference-voltage-terminal configured to receive a module reference voltage; a main-transistor having a main-control-terminal, a main-first-conduction-channel-terminal and a main-second-conduction-channel-terminal, wherein the main-first-conduction-channel-terminal is connected to the module-output-terminal, and the main-second-conduction-channel-terminal is connected to... Nxp B v

01/04/18 / #20180006611

Doherty amplifier circuits

A Doherty amplifier circuit comprising: a splitter having: a splitter-input-terminal for receiving an input signal; a main-splitter-output-terminal; and a peaking-splitter-output-terminal; a main-power-amplifier having a main-power-input-terminal and a main-power-output-terminal, wherein; the main-power-input-terminal is connected to the main-splitter-output-terminal; and the main-power-output-terminal is configured to provide a main-power-amplifier-output-signal; a peaking-power-amplifier having a peaking-power-input-terminal... Nxp B v

01/04/18 / #20180006612

Doherty amplifiers

A Doherty amplifier comprising: a main-power-amplifier having a main-amp-output-terminal; a peaking-power-amplifier having a peaking-amp-output-terminal; a combining node; a main-output-impedance-inverter connected between the main-amp-output-terminal and the combining node; and a transformer connected between the peaking-amp-output-terminal and the combining node.... Nxp B v

01/04/18 / #20180006614

Flip chip circuit

A flip chip circuit comprising: a semiconductor substrate; a power amplifier provided on the semiconductor substrate; and a metal pad configured to receive an electrically conductive bump for connecting the flip chip to external circuitry. At least a portion of the power amplifier is positioned directly between the metal pad... Nxp B v

01/04/18 / #20180006817

Lossy arithmetic

Embodiments include a method of adding first and second binary numbers having C bits and divided into D words to provide a third binary number in E successive adding operations, C, D and E being plural positive integers, the method comprising: a first group of D adding operations adding together... Nxp B v

01/04/18 / #20180007174

Multiple source receiver

A method and receiver are provided. The receiver comprises a first delay buffer and redundant data removal block. The first delay buffer is configured to delay a first data stream carrying first content. The first data stream is comprised of a plurality of compressed data blocks. The redundant data removal... Nxp B v

12/28/17 / #20170372988

Wafer level chip scale semiconductor package

This disclosure relates to a method of forming a wafer level chip scale semiconductor package, the method comprising: providing a carrier having a cavity formed therein; forming electrical contacts at a base portion and sidewalls portions of the cavity; placing a semiconductor die in the base of the cavity; connecting... Nxp B v

12/28/17 / #20170373054

Semiconductor switch device

A semiconductor switch device and a method of making the same. The semiconductor switch device includes a field effect transistor located on a semiconductor substrate. The field effect transistor includes a plurality of gates. Each gate includes a gate electrode and gate dielectric arranged in a loop on a major... Nxp B v

12/28/17 / #20170373490

Surge protection circuit

A surge protection circuit includes a DC trigger circuit that generates a trigger signal when a surge pulse occurs, and a current conducting unit, coupled to the DC trigger circuit, that generates a first clamp voltage as an output voltage of the surge protection circuit and conducts surge currents to... Nxp B v

12/28/17 / #20170373828

Using secure key storage to bind a white-box implementation to one platform

A method for performing a secure function in a data processing system is provided. In accordance with one embodiment, the method includes generating and encoding an encryption key. The encoded encryption key may be encrypted in a key store in a trusted execution environment (TEE) of the data processing system.... Nxp B v

12/21/17 / #20170366091

Isolated power converter with output voltage protection

An apparatus for delivering power to a load, which comprises an isolated power converter that converts input power on a primary side to output power and a supply voltage at a node on a secondary side. On the secondary side, a load switch is located on a current path to... Nxp B v

12/21/17 / #20170366092

Power converter with load switch fault protection

An apparatus for delivering power to a load, which comprises a power converter that converts input power at a primary side to an output power and to a supply voltage to a secondary side. On the secondary side, a load switch is located on a current path to the load.... Nxp B v

Patent Packs
12/21/17 / #20170366192

Phase locked loop with lock/unlock detector

A phase locked loop is disclosed comprising: a phase detector, a loop filter, a frequency controller oscillator and a lock detector. The phase detector is operable in a bang-bang mode to provide a binary phase error signal indicating whether there is a positive or negative phase difference between a reference... Nxp B v

12/21/17 / #20170366331

Integrated circuit and processing synchronized network frames using a hardware synchronization circuit

In an embodiment, an integrated circuit (IC) device is disclosed. In the embodiment, the IC device includes an Ethernet frame processor, at least one Ethernet port coupled to the Ethernet frame processor, and a hardware synchronization circuit coupled to the Ethernet frame processor and to the at least one Ethernet... Nxp B v

12/21/17 / #20170366924

Nfmi based robustness

One example discloses an apparatus for near-field magnetic induction (NFMI) based robustness, including: a first wireless device including a first wireless signal interface and a first NFMI signal interface; wherein the first wireless signal interface is configured to receive a data set from a third wireless device; wherein the first... Nxp B v

12/14/17 / #20170358158

Signal processing system and method

According to a first aspect of the present disclosure, a signal processing system is provided, comprising: a receiving unit configured to receive at least one signal that comprises a plurality of multipath components; a verification unit configured to correlate at least one multipath component under test with a reference signal... Nxp B v

12/14/17 / #20170359134

Processing module for a communication device and method therefor

A processing module for a receiver device. The processor module comprises a channel estimate generation component arranged to output channel estimate information for a received signal, and a timestamping module arranged to determine a ToA measurement for a marker within a packet of the received signal based at least partly... Nxp B v

12/14/17 / #20170359324

Method and system for facilitating secure communication

According to a first aspect of the present disclosure, a method for facilitating secure communication in a network is conceived, comprising: encrypting, by a source node in the network, a cryptographic key using a device key as an encryption key, wherein said device key is based on a device identifier... Nxp B v

12/07/17 / #20170350923

Load detector

A method and apparatus of load detection for an audio amplifier system is described. A load detector includes a first load terminal and a second load terminal; a controller coupled to the first and second load terminals and configured to in a first control loop, vary a first current supplied... Nxp B v

12/07/17 / #20170351630

Configuring wireless communications according to multiple communication protocols

A method for communicating between a combo-endpoint device, wireless router and a wireless communication device includes monitoring communication patterns of wireless data communications between a wireless router and radio-communication circuitry of a combo-endpoint device, and storing data indicative of communication times of the wireless router based on the monitored communication... Nxp B v

12/07/17 / #20170352360

Apparatus for voice communication

One example discloses an apparatus for voice communication, including: a first wireless device including a first pressure sensor having a first acoustical profile and configured to capture a first set of acoustic energy within a time window; wherein the first wireless device includes a near-field magnetic induction (NFMI) signal input;... Nxp B v

12/07/17 / #20170352363

Sound signal detector

One example discloses an apparatus for sound signal detection, comprising: a first wireless device including a first pressure sensor having a first acoustical profile and configured to capture a first set of acoustic energy within a time window; wherein the first wireless device includes a wireless signal input; wherein the... Nxp B v

12/07/17 / #20170353365

Configuring wireless communications and an advertising event according to multiple communication protocols

A method for communicating between a combo-endpoint device, wireless router, and a wireless communication device includes monitoring communication patterns of wireless data communications between a wireless router and radio-communication circuitry of a combo-endpoint device, and storing data indicative of communication times of the wireless router based on the monitored communication... Nxp B v

11/30/17 / #20170345269

Tamper detection device

According to a first aspect of the present disclosure, an electronic tamper detection device is provided, comprising a tamper loop and a deformable component, wherein a deformation of said component indicates that the tamper loop has been broken. According to a second aspect of the present disclosure, a corresponding method... Nxp B v

11/30/17 / #20170346410

Resonant power converter with switchable reflected output voltage

Disclosed is a power converter including a generator configured to generate a sequence of output voltage waveforms, a resonant tank connected to the generator comprising at least one capacitor and at least one inductor, a transformer including a primary side connected in series with said series inductor and, the primary... Nxp B v

11/30/17 / #20170346633

Computing a secure elliptic curve scalar multiplication using an unsecured and secure environment

A system for securely computing an elliptic curve scalar multiplication in an unsecured environment, including: a secure processor including secure memory, the secure processor configured to: split a secure scalar K into m2 random values ki, where i is an integer index; randomly select m1−m2 values ki for the indices... Nxp B v

11/23/17 / #20170338562

Wireless antenna structure

Circuits and methods concerning radio frequency (RF) communication are disclosed. In some example embodiments, an apparatus includes a first antenna providing a signal path, having at least one loop, between a first pair of nodes. The apparatus also includes a second antenna providing a signal path, having one or more... Nxp B v

Patent Packs
11/23/17 / #20170338667

Model-based fast-charging method based on lithium surface concentration

Disclosed is a method of charging a battery, including determining at a first time interval a current to be applied until a second time interval such that the current charges the battery so that an anode Li-ion surface concentration at the second time interval is kept smaller than or equal... Nxp B v

11/23/17 / #20170338948

User-initiated migration of encryption keys

Aspects of various embodiments are directed to applications utilizing secret keys for authentication and/or encrypted communication. In certain embodiments, authentication data is provided from a source network communication device to a target network communication device that allows a computing server to verify that the key migration has been is authorized... Nxp B v

11/16/17 / #20170328964

Sensor module and manufacture

According to embodiments there is provided a magneto-resistive sensor module. The sensor module may comprise: an integrated circuit; magneto-resistive sensor elements arranged as a bridge circuit monolithically integrated on the integrated circuit; and a stress buffer layer arranged between the integrated circuit and the magneto-resistive sensor element. There is also... Nxp B v

11/16/17 / #20170331528

Multi beam former

A multi-beam-former for an antenna array is described, the multi-beam former comprises N transceiver terminals for connecting a transmitter and/or receiver and N antenna terminals for connecting to a respective antenna and a plurality of couplers and matrix phase shifters arranged in an N×N Butler matrix configuration between the N... Nxp B v

11/16/17 / #20170331545

Receiver circuit

A receiver system comprising: an input terminal configured to receive input signalling comprising a plurality of antenna-signals, wherein the plurality of antenna-signals each comprise information that corresponds to a first-frequency-bin and a second-frequency-bin. AoA-blocks can determine a first-angle-of-arrival and a second-angle-of-arrival associated with the first- and second-frequency-bins. A first-weighting-determination-block configured... Nxp B v

11/09/17 / #20170323656

Signal processor

determining an output-other-bin-value based on one or more of the other bins of the cepstrum-input-signal, and setting the pitch-bin to a predefined value.... Nxp B v

11/09/17 / #20170324170

Near-field electromagnetic induction (nfemi) antenna

One example discloses a near-field electromagnetic induction (NFEMI) antenna, including: an electric antenna including a first electrically conductive surface; a magnetic antenna including a first coil (L1) coupled to a second coil (L2); a first feeding connection coupled to one end of the first coil; a second feeding connection coupled... Nxp B v

11/02/17 / #20170317602

Synchronous rectifier

Disclosed is a method to control the synchronous rectification in a power converter including a primary winding and a secondary winding, including detecting a peak current in a secondary winding, determining a blanking threshold based on the peak current, and blanking a turning off of a synchronous rectifier (SR) switch... Nxp B v

11/02/17 / #20170317860

Receiver circuits

A receiver circuit comprising: an input terminal configured to receive an input-signal; a feedforward-ADC configured to provide a feedforward-digital-signal based on the input-signal; a feedforward-DAC configured to provide a feedforward-analogue-signal based on the feedforward-digital-signal; a feedforward-subtractor configured to provide an error-signal based on the difference between the feedforward-analogue-signal and the... Nxp B v

10/26/17 / #20170310145

Automatic tuning of resonance-based wireless charging receiver

A wireless charging receiver operates on a resonance principle and includes an impedance matching circuit coupled between an antenna and a rectifier circuit. The impedance matching circuit has both series-connected and parallel-connected capacitors. At least one of the capacitors is a tunable variable capacitor. A method is provided for automatically... Nxp B v

10/26/17 / #20170310290

Amplifiers

A chopper amplifier and method of operation are described. The chopper amplifier comprises a first chopper arranged to modulate an input signal using a first chopper signal having a chopper frequency. An amplification stage has an input arranged to receive the chopped signal and an output, and supplies an amplified... Nxp B v

10/19/17 / #20170300739

Fingerprint authentication system and method

According to a first aspect of the present disclosure, a fingerprint authentication system is provided, comprising: a transformation unit configured to transform a first format of a captured fingerprint into a second format of the captured fingerprint, wherein the first format defines coordinates of minutia positions and the second format... Nxp B v

10/19/17 / #20170302164

Switch-mode power supply

A switch mode power supply is described including a primary side for coupling to a mains supply and a secondary side for coupling to a device, an isolation transformer comprising a primary coil and a secondary coil and arranged to isolate the primary side from the secondary side, and a... Nxp B v

10/19/17 / #20170302180

Dc-dc converter

A DC-DC power converter is described having a power converter input for receiving a supply voltage; a power converter output for outputting a converted supply voltage; a reference input for supplying a reference value; a switch capacitor power converter coupled to the power converter input and the power converter output... Nxp B v

10/12/17 / #20170294836

Power converter

One example discloses a switching capacitive power converter, SCPC, including: an energy storage element; a voltage reference controller, and configured to output an adjusted reference voltage based on a received fixed reference voltage; and a charge pumping circuit configured to operate the SCPC at a charge pumping frequency and configured... Nxp B v

10/12/17 / #20170294888

Audio amplifier system

An audio amplifier system is described comprising: a variable gain audio processor for processing digital audio signal, a digital to analog converter coupled to the audio processor, and configured to receive the processed digital audio signal, a variable gain amplifier having an input coupled to the output of the digital... Nxp B v

10/05/17 / #20170285996

Method for performing data updates

In an embodiment, a method for re-programming memory is disclosed. In the embodiment, the method involves selecting a memory page based on version information and re-programming the selected memory page using cyclic redundancy check (CRC) data for the memory page.... Nxp B v

10/05/17 / #20170286647

Watermarking input and output of a white-box implementation

A method of mapping an input message to an output message by a keyed cryptographic encryption operation, wherein the keyed cryptographic encryption operation includes a first round, including: performing a substitution function on a first portion of the input message to produce an output, wherein the substitution function incorporates a... Nxp B v

10/05/17 / #20170286682

Electronic device and protection method

According to a first aspect of the present disclosure, an electronic device is provided, comprising: an attack detection unit arranged to detect one or more attacks on the electronic device; a countermeasure unit arranged to apply countermeasures against the attacks detected by the attack detection unit; a threat level determination... Nxp B v

10/05/17 / #20170288397

Electrostatic discharge protection

Circuits and methods concerning voltage surge protection are disclosed. In an example embodiment, an apparatus includes a switching circuit configured to enable a current path between a first node and a second node in a first mode and disable the current path in a second mode. A biasing circuit configured... Nxp B v

10/05/17 / #20170288531

Charge pump circuit and operating a charge pump circuit

Embodiments of a charge pump circuit and a method for operating a charge pump circuit are disclosed. In an embodiment, a charge pump circuit includes a charge pump configured to generate a charge pump output voltage, a transistor array including multiple transistor devices that includes at least one transistor device... Nxp B v

10/05/17 / #20170288537

Reduction of frequency variation for ripple based, constant-on-time dc-dc converters

Embodiments of a circuit for use with a DC-DC converter are disclosed. In an embodiment, a circuit for controlling frequency variation for a ripple based, constant-on time DC-DC converter, is discloses. The circuit includes a set/reset (SR) latch, a comparator configured to set the SR latch, and an on-time and... Nxp B v

10/05/17 / #20170288543

Dc offset correction for inductor current ripple based, constant-on-time dc-dc converters

Embodiments of a circuit for controlling DC offset error for an inductor current ripple based, constant-on time DC-DC converter are disclosed. The circuit includes a ripple generation circuit coupled to a reference voltage input and to a sense voltage input, and having a reference voltage output to form a main... Nxp B v

10/05/17 / #20170288731

Communications device

One example discloses a communications device, including: a bio-antenna conducting surface configured to receive a set of bio-antenna modulated broadcast signals; wherein the conducting surface is configured to receive the set of bio-antenna modulated broadcast signals through a capacitively coupling; a broadcast receiver coupled to the conducting surface; and wherein... Nxp B v

10/05/17 / #20170288795

Method and system for generating a received signal strength indicator (rssi) value that corresponds to a radio frequency (rf) signal

Embodiments of a method and a system for generating a received signal strength indicator (RSSI) value that corresponds to a radio frequency (RF) signal are disclosed. In an embodiment, a method for generating an RSSI value that corresponds to an RF signal involves obtaining an attenuation factor code in response... Nxp B v

10/05/17 / #20170288916

Method and system for controlling an amplifier of a communications device

Embodiments of a method and a system controlling an amplifier of a communications device are disclosed. In an embodiment, a method for controlling an amplifier of a communications device involves checking for a data reception at the communications device and freezing a gain of the amplifier if the data reception... Nxp B v

10/05/17 / #20170288927

Signal processing circuits

A signal processing circuit comprising a clip-generation-block. The clip-generation-block is configured to receive an input-signal; and determine a clip-signal that comprises only values of the input-signal that exceed a clipping-threshold. The signal processing circuit also comprises a scaling-block configured to apply a scaling-factor to the clip-signal in order to generate... Nxp B v

10/05/17 / #20170289115

Update-driven migration of data

A current operating system that is stored in a persistent storage circuit of a secure element is replaced by receiving a set of migration rules that specify changes to a set of data object types. Based upon the set of migration rules, a migration engine identifies data objects stored in... Nxp B v

10/05/17 / #20170289931

Method and system for processing a radio frequency (rf) signal

Embodiments of a method and a system for processing a radio frequency (RF) signal are disclosed. In an embodiment, a method for processing an RF signal involves down-converting the RF signal into a converted signal, obtaining a received signal strength indicator (RSSI) value based on an amplitude of the RF... Nxp B v








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