630 patents
Page 4 of 32
Utility
Apparatus for radio-frequency matching networks and associated methods
5 Sep 23
A radio-frequency (RF) apparatus includes a wideband receive (RX) impedance matching circuit to provide a received differential RF signal to RF receive circuitry.
Attila Zolomy, Christopher L. McCrank
Filed: 27 Nov 17
Utility
Flip-flop with input and output select and output masking that enables low power scan for retention
5 Sep 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
Apparatus for radio-frequency receiver with multiple operational modes and associated methods
5 Sep 23
An apparatus includes a radio frequency (RF) receiver to receive packets.
Hendricus de Ruijter, Wentao Li, Lauri Mikael Hintsala
Filed: 11 Jan 18
Utility
Keyword spotting using machine learning
22 Aug 23
A system and method of keyword spotting using two neural networks is disclosed.
Antonio Torrini, Ramin Khoini-Poorfard, Sebastian Ahmed
Filed: 12 Dec 19
Utility
Signal level tracking and application to Viterbi equalization
22 Aug 23
A system that includes a Viterbi Equalizer having adaptive signal levels is disclosed.
Guner Arslan
Filed: 25 Jul 22
Utility
Remote GUI for simple network devices
22 Aug 23
A system and method for allowing a companion device to serve as a user interface for another network device is disclosed.
Olfert Paul Paulsen
Filed: 14 Oct 20
Utility
Resource filtering for wireless devices
22 Aug 23
Systems and methods are provided that may be implemented to use resource filtering to provide multiple different device personalities and/or multiple different resources from a radio frequency (RF)-enabled wireless device or apparatus to one or more other connecting RF-enabled wireless devices across one or more wireless connections.
Jere M. Knaappila, Jani K. Knaappila
Filed: 1 Sep 21
Utility
Correction of frequency offset between initiator and reflector
22 Aug 23
A method for communicating between a first radio frequency communications device including a first local oscillator and a second radio frequency communications device including a second local oscillator includes generating phase values based on samples of a received signal.
Michael A. Wu, Wentao Li, John M. Khoury, Yan Zhou
Filed: 30 Nov 20
Utility
Wide band loop type ground radiating antenna
8 Aug 23
A loop type ground radiating antenna having dual resonance is disclosed.
Pasi Rahikkala, Tuomas Hänninen, Attila Zólomy
Filed: 20 May 21
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
Block cipher side-channel attack mitigation for secure devices
18 Jul 23
Systems and methods are disclosed for side-channel attack mitigation for secure devices including cryptographic circuits using block ciphers that are not based upon feedback.
Javier Elenes
Filed: 19 Nov 19
Utility
Fast startup crystal oscillator circuit with programmable injection time and adaptive startup time to achieve high amplitude oscillation
18 Jul 23
A first three state driver injects a first clock signal into a crystal through an input node during a startup phase of a crystal oscillator and a second three state driver injects a second signal into the crystal through an output node during the startup phase.
Mohamed M. Elkholy, Francesco Barale, Tiago Pinto Guia Marques, Steffen Skaug, Håkon Børli
Filed: 29 Jun 22
Utility
Utilizing the LC oscillator of a frequency synthesizer as an injection source for crystal oscillator startup
11 Jul 23
A frequency synthesizer on an integrated circuit provides a local oscillator (LO) signal for RF operations and also functions as an injection clock signal source during crystal oscillator startup.
Mohamed M. Elkholy, Mustafa Koroglu, Wenhuan Yu
Filed: 29 Jun 22
Utility
System and method for phase manipulation attack protection and detection in AoA and AoD
11 Jul 23
Systems and methods for detecting and protecting against phase manipulation during AoA or AoD operations are disclosed.
Esa Piirilä, Lauri Hintsala
Filed: 10 Nov 20
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
One way ranging synchronization and measurement
27 Jun 23
A system and method for one-way ranging is disclosed.
Terry Lee Dickey, Yan Zhou, Michael Wu
Filed: 27 Sep 21
Utility
Variable rate sampling in a Bluetooth receiver using connection state
27 Jun 23
A Bluetooth receiver has an RF front end which has a gain control input, the RF front end converting wireless packets into a baseband signal which is coupled to the input of an analog to digital converter (ADC).
Sriram Mudulodu
Filed: 3 Dec 21
Utility
Side-channel attack mitigation for secure devices with embedded sensors
30 May 23
Embodiments include cryptographic circuits having isolated operation with respect to embedded sensor operations to mitigate side-channel attacks.
Javier Elenes
Filed: 29 Jun 21
Utility
Ultra-low power mesh network
30 May 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 Mar 22