288 patents
Page 2 of 15
Utility
Phase Measurements for High Accuracy Distance Measurements
19 Oct 23
In at least one embodiment, a method for measuring a distance between a first communications device including a first local oscillator and a second communications device including a second local oscillator includes unwrapping N phase values to generate N unwrapped phase values.
John M. Khoury, Yan Zhou, Michael A. Wu, Wentao Li
Filed: 28 Jun 23
Utility
Fast Frequency Synthesizer Switching
5 Oct 23
A phase-locked loop (PLL) that provides a local oscillator signal for a radio.
Rangakrishnan Srinivasan, Zhongda Wang, Francesco Barale, Wenhuan Yu, Mustafa H. Koroglu, Yan Zhou, Terry L. Dickey
Filed: 31 Mar 22
Utility
Commissioning of Lighting Systems using Bluetooth Direction Finding
5 Oct 23
A system and method for the commissioning of a lighting system is disclosed.
Levente Kovacs
Filed: 29 Mar 22
Utility
Analog-to-Digital Converter Having Punctured Quantizer
28 Sep 23
In one embodiment, an analog-to-digital converter includes: a sum circuit to receive an analog input signal and a feedback reference signal and generate a sum signal; a feedback circuit coupled to the sum circuit to provide the feedback reference signal to the sum circuit; a filter coupled to the sum circuit to receive the sum signal and generate a filtered signal; and a punctured quantizer coupled to the filter to receive the filtered signal and quantize the filtered signal to a digital output and to output the digital output and to provide the digital output to the feedback circuit.
John M. Khoury
Filed: 23 Mar 22
Utility
External Nonvolatile Memory with Additional Functionality
28 Sep 23
An external nonvolatile memory device that includes a rewritable nonvolatile memory and a CMOS interface is disclosed.
Thomas Saroshan David, Aslam Rafi, Joshua Norem, Adrianus Josephus Bink, Daniel Cooley
Filed: 22 Mar 22
Utility
Interface between Processing Unit and an External Nonvolatile Memory
28 Sep 23
An interface between two devices is disclosed.
Aslam Rafi, Thomas Saroshan David, Daniel Cooley
Filed: 22 Mar 22
Utility
Using NFC To Configure Ultra Low Power BLUETOOTH® Devices
21 Sep 23
An ultra low power network device is disclosed.
Hannu Mallat
Filed: 21 Mar 22
Utility
Per Unit Time Message Authentication Code
14 Sep 23
A system for securely transmitting data between two devices is disclosed.
Joshua J. Norem
Filed: 14 Mar 22
Utility
Ultra Low Power Mesh Network
7 Sep 23
A mesh receiver has a wakeup receiver for reception of a wakeup sequence formed by keyed RF or a sequence of wireless packets and gaps, a transmitter forming low speed RF wakeup sequence to other mesh stations, a mesh receiver for reception of high speed WLAN packets, the transmitter sending a wireless ACK packet in response to a wakeup sequence, the mesh receiver thereafter receiving wireless packets from a remote station, the mesh transmitter sending an ACK, the mesh station thereafter identifying a next hop station, and sending a wakeup sequence to that station, after receipt of an ACK, sending the data, the mesh receiver and mesh transmitter thereafter going to sleep.
Partha Sarathy MURALI, Ajay MANTHA, Nagaraj Reddy ANAKALA, Subba Reddy KALLAM, Venkat MATTELA
Filed: 10 May 23
Utility
System and Method for Detecting of Channel Conditions and Channel Estimation In an Orthogonal Frequency Division Multiplexing (Ofdm) Receiver
27 Jul 23
In one aspect, an apparatus includes: a front end circuit to receive and process incoming radio frequency (RF) signals into orthogonal frequency division multiplexing (OFDM) samples; a fast Fourier transform (FFT) engine to receive and convert the OFDM samples into frequency domain sub-carriers; a demodulator to demodulate the frequency domain sub-carriers; a channel estimator to: compute a first pilot channel estimate for a first channel condition comprising a flat channel condition and a second pilot channel estimate for a second channel condition comprising a selective channel condition based on a first set of pilot sub-carriers of the frequency domain sub-carriers; and select one of the first and second pilot channel estimates using the first and second pilot channel estimate; and a control circuit to configure at least the demodulator based at least in part on the selected first or second pilot channel estimate.
Alexander Kleinerman
Filed: 28 Mar 23
Utility
Delayed Preamble Detection for Bluetooth Receiver based on Interferer Metrics
6 Jul 23
The present invention relates to a method and apparatus for reducing power consumption in a receiver of a time slotted communication system.
Sriram MUDULODU
Filed: 28 Feb 23
Utility
Dual-Mode Power Amplifier For Wireless Communication
29 Jun 23
In one embodiment, a dual-mode power amplifier that can operate in different modes includes: a first pair of metal oxide semiconductor field effect transistors (MOSFETs) to receive and pass a constant envelope signal; a second pair of MOSFETs to receive and pass a variable envelope signal, where first terminals of the first pair of MOSFETs are coupled to first terminals of the second pair of MOSFETs, and second terminals of the first pair of MOSFETs are coupled to. second terminals of the second pair of MOSFETs; and a shared MOSFET stack coupled to the first pair of MOSFETs and the second pair of MOSFETs.
Ruifeng Sun, Sherry Wu, Michael S. Johnson, Vitor Pereira
Filed: 28 Feb 23
Utility
Transceiver With Multi-Channel Clear Channel Assessment
25 May 23
A wireless network device configured to monitor multiple channels for clear channel assessment (CCA) is disclosed.
Hendricus de Ruijter
Filed: 22 Nov 21
Utility
System, Apparatus and Method for Identifying Functionality of Integrated Circuit Via Clock Signal Superpositioning
4 May 23
In one embodiment, an apparatus includes: an oscillator to output a clock signal on a first line; a switch coupled to the first line; and a voltage divider coupled to the switch.
Eugenio Carey
Filed: 28 Oct 21
Utility
Two-step Decapsulation Technique for Semiconductor Package Having Silver Bond Wires
4 May 23
In one embodiment, a method includes: laser ablating an encapsulant of a semiconductor package, until a threshold amount of the encapsulant remains above one or more die of the semiconductor package; and providing at least one drop of acid onto a surface of the ablated semiconductor package to acid etch for a first time duration, to remove a remaining portion of the encapsulant above the one or more die, where after the acid etch, a die of interest is exposed and the silver bond wires of the semiconductor package are preserved.
Erwin Hendarto
Filed: 28 Oct 21
Utility
Flip-flop with Input and Output Select and Output Masking That Enables Low Power Scan for Retention
4 May 23
A flip-flop including a scan enable input for receiving a scan enable signal, a clock input for receiving a clock signal, input select circuitry that is configured to select between a data input and a scan input based on a state of the scan enable signal for providing a selected input, latching circuitry that is configured to latch the selected input to a preliminary output node in response to transitions of the clock signal, and output select circuitry that is configured to provide a state of the preliminary output node to a selected one of a scan output and a data output based on a state of the scan enable signal.
Thomas Saroshan David
Filed: 2 Nov 21
Utility
System, Apparatus and Method for Identifying Functionality of Integrated Circuit Via Clock Signal Superpositioning
4 May 23
In one embodiment, a method includes: powering on an integrated circuit (IC) and causing the IC to enter into a reset mode, where in the reset mode, a switch coupled between an oscillator of the IC and a reset pin is open; releasing the reset pin to cause the IC to enter into a non-reset mode, where in the non-reset mode the switch is closed to cause the clock signal to be superimposed on a reset signal at the reset pin; and determining, via a monitoring circuit coupled to the IC, the IC as functional in response to identifying the clock signal superimposed on the reset signal at the reset pin.
Eugenio Carey
Filed: 28 Oct 21
Utility
Process And Mismatch Insensitive Temperature Sensor
20 Apr 23
A temperature sensor that is insensitive to process variation and mismatch is disclosed.
Peh Sheng Jue, Jeffrey L. Sonntag
Filed: 19 Oct 21
Utility
Apparatus for Antenna Optimization and Associated Methods
30 Mar 23
An apparatus includes a module comprising an antenna having at least one antenna component.
Pasi Rahikkala, Tuomas Hänninen
Filed: 30 Sep 21
Utility
Using Preamble Portion Having Irregular Carrier Spacing For Frequency Synchronization
30 Mar 23
In one embodiment, an apparatus includes: a radio frequency (RF) front end circuit to receive and downconvert a RF signal to a second frequency signal, the RF signal comprising an orthogonal frequency division multiplexing (OFDM) transmission; a digitizer coupled to the RF front end circuit to digitize the second frequency signal to a digital signal; and a baseband processor coupled to the digitizer to process the digital signal.
Frederic Pirot
Filed: 29 Nov 21