PRECISE PROXIMITY OBJECT DETECTION FOR CAPACITIVE SENSING
Granted: March 13, 2025
Application Number:
20250085448
An integrated circuit includes a capacitive sensing circuit to receive signal values associated with a proximity distance to an object. A pair of low pass filters (LPFs) are coupled in parallel to the capacitive sensing circuit and include a first LPF configured with a low filtering rate and a second LPF configured with high filtering rate that is higher than that of the low filtering rate. Control logic is coupled to the pair of LPFs and estimates the proximity distance based on one or…
SYSTEMS, METHODS, AND DEVICES FOR SECURE MANAGEMENT OF WIRELESS DEVICE ASSOCIATIONS
Granted: March 6, 2025
Application Number:
20250080421
Systems, methods, and devices manage associations between wireless devices. Methods include identifying a plurality of wireless devices communicatively coupled to an access point and generating, using one or more processing elements, a plurality of groups of wireless devices based, at least in part, on a plurality of device classification parameters associated with the plurality of wireless devices. Methods further include generating, using the one or more processing elements, a…
BATTERY CLUSTER CONTROL
Granted: March 6, 2025
Application Number:
20250080095
According to some embodiments, a method includes connecting a first cluster controller of a first battery cluster to a serial communication bus, connecting a second cluster controller of a second battery cluster to the serial communication bus, sending synchronization data to the first cluster controller and the second cluster controller over the serial communication bus, controlling a first bridge of the first battery cluster to connect a first battery terminal of the first battery…
MACHINE LEARNING MODEL ARCHITECTURE FOR SPEECH ENHANCEMENT SYSTEM
Granted: March 6, 2025
Application Number:
20250078853
Methods and systems for a machine learning model architecture for speech enhancement system. The disclosed machine learning model architecture includes, among other things, an encoder, a decoder, and a bottleneck disposed between the encoder and the decoder. The encoder includes a plurality of encoder layers, and the decoder includes a plurality of decoder layers. Each encoder layer is connected to a corresponding decoder layer via a skip connection. Each encoder layer includes a Res2Net…
BATTERY CLUSTER CONTROL
Granted: March 6, 2025
Application Number:
20250077464
According to some embodiments, a battery cluster controller includes a serial interface configured to receive waveform data and a rank over a serial communication bus, a processor configured to generate a switching parameter based on the rank and the waveform data, and a modulation unit configured with the switching parameter to generate a bridge configuration signal to control a bridge for selectively connecting a battery element to an output terminal to generate a first component of a…
INTELLIGENT AND ADAPTIVE SHARING OF POWER AMONG POWER DELIVERY PORTS
Granted: March 6, 2025
Application Number:
20250076952
Technology to intelligently and adaptive share power among charging ports of a multiport power delivery (PD) system is described. In some embodiments, a method includes monitoring power consumption by at least one device of a plurality of devices. Each device of the plurality of devices is connected to a port of a plurality of ports having an allocation of system power. Monitoring the power consumption includes obtaining at least one current measurement of actual current consumption by…
SYSTEM AND METHOD FOR ISOLATION RESISTANCE MEASUREMENT
Granted: March 6, 2025
Application Number:
20250076353
A system includes a processing device and a measurement circuit coupled to the processing device. The system further includes an auxiliary voltage supply. The processing device and the measurement circuit are powered by the auxiliary voltage supply. The measurement circuit is to apply a test voltage to a first resistor and measure a voltage drop over the first resistor. The processing device is to determine, based on at least the voltage drop, an isolation resistance value between a…
SYSTEMS, METHODS, AND DEVICES FOR MEDIUM RESERVATION MITIGATION FOR WIRELESS COMMUNICATION
Granted: February 27, 2025
Application Number:
20250071622
Systems, methods, and devices improve medium usage by wireless devices. Methods include monitoring, using one or more processing elements, one or more data throughput metrics associated with a first wireless device, and identifying, using the one or more processing elements, a presence of medium reservation activity associated with a second wireless device. Methods also include generating, using the one or more processing elements, a mitigation signal based, at least in part, on a…
Deterministic control of sensor based motor
Granted: February 27, 2025
Application Number:
20250070693
An electronic circuit may be configured to obtain an input including one or more hall sensor readings, determine a current motor position based on the input and a first lookup table, determine a desired motor position based on the first lookup table on the current motor position, determine a pulse width modulation (PWM) commutation pattern based on the desired motor position and a second lookup table, and output the PWM commutation pattern within a predetermined time from obtaining the…
METHODS, DEVICES AND SYSTEMS FOR COMMUNICATIONS BETWEEN REAL WORLD WIRELESS DEVICES AND VIRTUAL WIRELESS DEVICES
Granted: February 20, 2025
Application Number:
20250063091
A method can include a virtual/augmented reality (V/AR) access device receiving a list of virtual wireless devices within a predetermined virtual range. An upstream data frame from a real world wireless device can be encapsulated by the V/AR access device into an upstream packet and transmitted to a virtual wireless device. Downstream packets from the virtual wireless device can be decapsulated by the V/AR access device to access a downstream data frame. The downstream data frame can be…
GROUPWISE ENCODING OF NEURAL NETWORKS
Granted: February 20, 2025
Application Number:
20250061315
Methods and systems for groupwise encoding for neural networks. The disclosed method includes, among other things, receiving a sparse array associated with a trained machine-learning model to be stored in memory, identifying a plurality of groupings of elements from the sparse array, wherein each element of a grouping is equidistantly positioned in the sparse array, generating a group data structure including a respective grouping, an offset of a respective grouping in the sparse array,…
DUAL ADVANCED AUDIO DISTRIBUTION PROFILE (A2DP) SINK
Granted: February 13, 2025
Application Number:
20250056174
Wireless communication schemes and techniques are described, wherein a secondary device is configured to eavesdrop information communicated between a source and a primary device. Secondary device transmits a NACK signal to jam ACK signals from the primary device to the audio source, forcing a retransmit of audio information from the source to the primary, and available over an eavesdropping link between the secondary device and the source.
BI-DIRECTIONAL COMMUNICATION SCHEME BETWEEN PRIMARY AND SECONDARY FOR FLY-BACK AC-DC CONVERTERS
Granted: February 13, 2025
Application Number:
20250055379
An USB-PD power converter with primary and secondary side controllers that bidirectionally communicate with each other. In one embodiment, the USB-PD power converter has a first transformer in data communication with the primary-side controller and the secondary-side controller. The secondary-side controller is configured to generate control signals and receive acknowledgement signals from the primary-side controller via the first transformer. The primary-side controller is configured to…
NETWORK-AIDED MULTI-LINK OPERATION FOR SINGLE-RADIO DEVICES
Granted: January 30, 2025
Application Number:
20250039971
A system includes a first multi-link operation (MLO) device and a second MLO device. The first MLO device is to send a frame to the second MLO device via a first link. The frame includes a link occupancy information field, including link occupancy information of a second link.
NOISE SHAPING SUCCESSIVE-APPROXIMATION REGISTER (SAR) ANALOG-TO-DIGITAL CONVERTER (ADC)
Granted: January 30, 2025
Application Number:
20250038757
A noise-shaping successive-approximation register (SAR) analog-to-digital converter (ADC) (SAR ADC) including a noise-shaping (NS) filter, a comparator, a differential input path between the NS filter and the comparator, and a cross-coupled set of capacitive elements coupled to the differential input path.
MEDIUM ACCESS METHODS FOR AMBIENT POWER (AMP) DEVICES
Granted: January 16, 2025
Application Number:
20250024491
A method includes transmitting, by an anchor wireless device, a beacon frame signal to client wireless devices, which are ambient power (AMP) devices. The beacon frame signal advertises at least a first service period during which at least a subset of the client wireless devices are to transmit. The method includes transmitting, by the anchor wireless device, during the first service period, a first wireless signal including a data packet with a command frame to activate the subset of…
RADIO FREQUENCY BAND AND ENERGY HARVESTING ARRANGEMENTS FOR OPERATION OF WIRELESS AMBIENT POWER (AMP) DEVICES
Granted: January 16, 2025
Application Number:
20250024238
A method includes transmitting, by an anchor wireless device over a first radio frequency (RF) band, a first wireless signal to a client wireless device. The client wireless device is an ambient power (AMP) device that harvests environmental energy. The first wireless signal includes a data packet requesting information from the client wireless device. The method further includes receiving, by the anchor wireless device over a second RF band, a second wireless signal from the client…
COMMUNICATING WITH A LARGE NUMBER OF AMBIENT POWER (AMP) DEVICES IN A WIRELESS NETWORK
Granted: January 16, 2025
Application Number:
20250024231
A system includes an array of antennas that are controllable to generate a directed beam of radio frequency (RF) radiation and an anchor wireless device coupled to the array of antennas. The anchor wireless device transmits, via the array of antennas, a first wireless signal as a first directed beam at a first azimuth towards first identification (ID) tags. The first ID tags are ambient power (AMP) devices that harvests environmental energy. The first wireless signal includes a data…
PMU TECHNIQUE FOR ULTRA-LOW LEAKAGE
Granted: January 16, 2025
Application Number:
20250023469
A DC-DC converter and method of operating the same are provided to increase efficiency in window-mode. Generally, the method begins in a coasting-period with receiving in the converter a window-mode enable signal, and opening a switch through which a low reference voltage generator is coupled to a capacitively-charged switched reference (SR) on a first input of a low-side-comparator. Operation of all circuits and devices in the converter, except the comparator is suspended. The voltage…
CORE TRANSMIT SUSPENSION IN MULTIPLE CORE WIRELESS DEVICES, SYSTEMS, AND METHODS
Granted: January 9, 2025
Application Number:
20250016881
Core transmit suspension is provided in multiple core wireless devices, systems, and methods. A first wireless device may transmit a plurality of data packets by a first core and a second core of the first wireless device to a second wireless device. A data packet may be transmitted by at least one of the first core or the second core. The first wireless device may receive a first core acknowledgement (ACK) of the data packet by the first core and a second core ACK of the data packet by…