Management of communication channels in wireless networks
Granted: January 28, 2025
Patent Number:
12213162
Implementations disclosed describe techniques and systems to facilitate efficient operations of wireless networks organized in a topology of communicating nodes. Techniques include cascade synchronization of various nodes of the network by generating and maintaining a common time using times associated with ordered communications between nodes. The common time maintained by the network allows performance of synchronous action for precise industrial, medical, and testing applications. The…
Methods, devices and systems for estimating distance with transmitted frequency sets
Granted: January 28, 2025
Patent Number:
12213044
A method can include determining a plurality of sample sets, each sample set being different from one another and including a plurality of frequencies separated by a uniform frequency range; wirelessly transmitting information identifying the sample sets for at least one remote device; for each sample set, transmitting a tone on each frequency of the sample set, receiving a tone on each frequency of the sample set from another device, and determining phase difference values for the…
Seamless playback and switching for wireless communications devices
Granted: January 21, 2025
Patent Number:
12207079
Systems, methods, and devices seamlessly playback data files using one or more wireless connections. Methods include establishing a first wireless connection and a second wireless connection between a first device and a second device, the first wireless connection using a first communication protocol. Methods further include transmitting audio data via the first wireless connection and determining a switch should be initiated based on one or more signal quality metrics representing an…
Enhanced transmission medium usage for collocated wireless devices
Granted: January 14, 2025
Patent Number:
12200682
Systems, methods, and devices improve medium usage of wireless devices. Methods include determining, using one or more processors, multiple protection frames should be used for a first wireless radio and a second wireless radio based, at least in part, on an interference parameter, wherein the first wireless radio and the second wireless radio are collocated in a same wireless device. Methods also include determining, using the one or more processors, one or more transmission parameters…
Devices, systems and methods for throughput oriented association with access point devices
Granted: January 7, 2025
Patent Number:
12192891
A method can include, by operation of a station wireless device (STA): receiving a plurality of different broadcast transmissions, determining an air time availability of each of a plurality of access point devices (APs) from data included within the broadcasts, for each of the plurality of APs, estimating a data rate for the STA with respect to the AP from traffic data included in at least one broadcast transmission from the AP, selecting one AP from the plurality of APs based on…
Fingerprint sensor packages
Granted: January 7, 2025
Patent Number:
12190626
A sensor package includes at least one die, a fingerprint sensor, a mold material, and a land grid array. The fingerprint sensor is electrically coupled to the at least one die. The mold material encapsulates the at least one die. The land grid array layer is electrically coupled to the at least one die. The land grid array layer, the fingerprint sensor, and the mold material each include a common footprint.
System and method for efficient onboarding to a wireless network of a group of WLAN devices owned by a user
Granted: December 31, 2024
Patent Number:
12185104
Methods for seamlessly onboarding commonly owned wireless local area network (WLAN) enabled devices to a wireless network are provided. Generally, the method includes exchanging an UID, encryption algorithm and key between the devices to form a common-onboarding-group (COG), manually provisioning credentials to onboard a first device of the COG, and automatically provisioning credentials to onboard a second device. In one embodiment, the first device registers with the network the UID…
Detecting the angle of passive rotary knob partially located on touch screen
Granted: December 31, 2024
Patent Number:
12182347
An apparatus and method for detecting the angle of passive rotary knob partially located on a touch screen are described. In embodiments the apparatus includes a touch screen having an array of sensors and a dial that includes a base and a knob attached to the base and rotatable relative to the base. The knob includes a plurality of conductive elements, each positioned a distance from a center point of the knob. A controller is also included, coupled to the touch screen, and configured…
Reducing sleep current in a capacitance sensing system
Granted: December 31, 2024
Patent Number:
12181943
An apparatus and method of measuring a collective capacitance on a group of capacitive sense elements from at least one of rows or columns of a capacitance sense array when in a first mode, and individually measuring capacitances on each of the rows and columns when in a second mode.
Nano-power architecture enhancements
Granted: December 24, 2024
Patent Number:
12176909
Apparatuses and methods of capacitance-to-digital code conversion are described. One capacitance-to-digital converter (CDC) includes front-end circuitry, including a comparator. The CDC further includes a first capacitive digital-to-analog converter (CDAC) coupled to a first input of the comparator and, in a first phase, to a sensor cell. The CDC further includes a second CDAC coupled to a second input of the comparator and, in a second phase, to the sensor cell. The front-end circuitry…
Apparatus for on demand access and cache encoding of repair data
Granted: December 24, 2024
Patent Number:
12174698
An apparatus for on demand access and cache encoding of repair data. In one embodiment the apparatus includes an integrated circuit having a data cache in data communication with a non-volatile memory, a controller of a built-in self-test-and-repair (BISTR) circuit, and a plurality of registers. The controller is configured to read data from the data cache and store it into a first of the plurality of registers.
Devices, systems and methods for utilizing wireless medium
Granted: December 10, 2024
Patent Number:
12167449
A method can include, in a wireless device connected to a first network and configured to transmit over a medium, while a detected packet is being received: determining if the detected packet has a network identification value, the network identification value identifying a network in which wireless devices are connected; when at least the network identification value of the detected packet matches that of the first network, setting a timer value that prevents transmissions on the medium…
Power supply and power converter booster
Granted: December 10, 2024
Patent Number:
12166416
A power supply includes a first (main) power converter and a second (auxiliary) power converter disposed in parallel with the first power converter to produce an output voltage to power a dynamic load. The second power converter includes a primary inductive path magnetically coupled to a secondary inductive path. A controller controls a flow of first current through the primary inductive path of the second power converter to control flow of second current supplied by the secondary…
Systems, methods, and devices for unified demodulation in wireless communications devices
Granted: December 3, 2024
Patent Number:
12160756
Systems, methods, and devices perform unified demodulation operations for wireless communications devices. Methods may include receiving, at a buffer of a wireless communications device, a data packet, and performing, using a processing device, one or more synchronization operations based on one or more operational modes of a wireless communications protocol. Methods may additionally include identifying, using the processing device, a type of the data packet, configuring, using the…
Secure fine time measurement for wireless communication protocols
Granted: December 3, 2024
Patent Number:
12160737
In general, techniques are described by which to perform secure fine time measurement for wireless communication protocols. An initiating station comprising wireless communication circuitry may be configured to perform the techniques. The wireless communication circuitry may be configured to receive, in accordance with a wireless networking protocol for communicating between the initiating station and a responding station, a first fine time measurement specifying a first time. The…
Efficient transmission of video and audio over slave FIFO interface
Granted: November 19, 2024
Patent Number:
12147376
Systems and methods for translation and transmission of video and audio data over a first-in-first-out interface (FIFO) in a field programmable gate array (FPGA) are provided. The method includes receiving audio and video data including a number of video frames, each with a plurality of video lines separated by a line blanking interval. A first video line is translated and transmitted to a packet-based network through the FIFO in the FPGA while concurrently buffering the audio data in an…
Drive scheme for secondary-controlled active clamp flyback (ACF) mode
Granted: November 12, 2024
Patent Number:
12143023
Controlling an active clamp field effect transistor (FET) and a primary-side FET in a secondary-controlled active clamp converter is described. In one embodiment, an apparatus includes a primary-side FET coupled to a transformer and an active clamp FET disposed on a primary side of the transformer. A secondary-side controller is configured to control the active clamp FET and the primary-side FET across a same galvanic isolation barrier.
Machine learning-based antenna array validation, prototyping and optimization
Granted: October 29, 2024
Patent Number:
12132262
An example method of estimating the angular resolution of antenna array comprises: receiving a plurality of values of magnitude and phase of a radio frequency (RF) signal for each antenna element of a plurality of antenna elements comprised by an antenna array; performing, by a machine learning model, a feature extraction operation to transform the plurality of values of magnitude and phase into a plurality of data points in a reduced-dimension space; clustering, by the machine learning…
Universal serial bus (USB) controller, method of operating a USB controller, and machine vision system
Granted: October 22, 2024
Patent Number:
12124399
A USB controller includes: a USB interface that receives an isochronous timestamp packet (ITP) from a host device that includes a current time value from the host device and a delay value associated with each hub through which the ITP passed; controller hardware that initiates a counter, sends a link delay measurement (LDM) link management packet (LMP) request to a nearest upstream hub, stores a first timestamp that corresponds to when the LDM LMP request was sent, receives an LDM LMP…
Low electromagnetic interference (EMI) solution for touch products
Granted: October 22, 2024
Patent Number:
12124654
Apparatuses and methods of differential driving of adjacent electrodes for low electromagnetic interference (EMI) for scanning a touch panel are described. One apparatus generates an in-phase drive signal and an opposite-phase drive signal and applies, at a substantially same time, the in-phase drive signal to a first transmitter electrode and the opposite-phase drive signal to a second transmitter electrode adjacent to the first transmitter electrode. The apparatus receives a first…