Detecting the angle of a touch screen mounted passive dial
Granted: June 6, 2023
Patent Number:
11669191
A touch screen display and corresponding devices and methods are disclosed, the touch screen display comprising a touchscreen having a plurality of capacitive sensors and a passive dial having one or more conductive elements, the passive dial mounted within an active area of the touchscreen such that the one or more conductive elements are proximate to the face of the touchscreen and move in conjunction with a rotation of the passive dial. The touch screen display may further include a…
Seamless playback and switching for wireless communications devices
Granted: May 23, 2023
Patent Number:
11659466
Systems, methods, and devices seamlessly playback data files using one or more wireless connections. Methods include establishing a first wireless connection between a source device and a sink device, the first wireless connection using a first transmission protocol and transmitting audio data via the first wireless connection. Methods further include determining a switch should be initiated based on one or more signal quality metrics, the one or more signal quality metrics representing,…
Regulator architecture with load dependent biasing and inrush current control
Granted: May 23, 2023
Patent Number:
11658575
A USB-power delivery integrated circuit controller includes: one or more driver circuits configured to control operation of a buck-boost converter; a regulator configured to regulate an internal supply voltage of the controller from a variable input voltage of the buck-boost converter in a regulation mode, and to pass the variable input voltage as the internal supply voltage without regulation in a bypass mode, the regulator being in the bypass mode when the variable input voltage is…
Programmable soft start of buck-boost converter
Granted: May 23, 2023
Patent Number:
11658574
An IC controller for a USB Type-C device includes a register that is programmable to store a pulse width and a frequency. A buck-boost converter of the controller includes a first high-side switch and a second high-side switch. Control logic is coupled to the register and gates of the first/second high-side switches. To perform a soft start in one of buck mode or boost mode, the control logic: causes the second high-side switch to operate in diode mode; retrieves values of the pulse…
Mode-transition architecture for buck-boost converter
Granted: May 23, 2023
Patent Number:
11658573
A mode-transition architecture for USB controllers is described herein. In an example embodiment, an integrated circuit (IC) controller includes a controller coupled to a slope compensation circuit, the controller to detect a transition of a buck-boost converter from a first mode having a first duty cycle to a second mode having a second duty cycle that is less or more than the first duty cycle. The controller controls the slope compensation circuit to nullify an error in an output…
Voltage protection for universal serial bus Type-C (USB-C) connector systems
Granted: May 23, 2023
Patent Number:
11658476
A Universal Serial Bus (USB) device includes a USB Type-C connector having a configuration channel (CC) terminal and an integrated circuit (IC) controller. The IC controller comprises a VCONN pin coupled to the CC terminal of the USB Type-C connector, an output terminal, and an on-chip voltage protection circuit coupled between the VCONN pin and the output terminal. The on-chip voltage protection circuit comprises a switch coupled between the VCONN pin and the output terminal, a pump…
Agile interference detection and mitigation for multicarrier phase ranging systems
Granted: May 16, 2023
Patent Number:
11650307
A multicarrier phase ranging system and method are provided. Generally, the method includes performing a handshake between first and a second transceiver to negotiate a list of channels and a start-time for a multicarrier phase ranging process. The process includes in a first cycle exchanging a Constant Tone (CT) between the first and second transceiver in a first epoch on a first channel, and processing the CT received in the first and second transceiver to measure a difference in phase…
Short circuit recovery in universal serial bus type-c power delivery (USB-C/PD) systems
Granted: May 2, 2023
Patent Number:
11641100
A system includes a first USB Type-C Power Delivery (USB-C/PD) port and a control circuit operatively coupled to the first USB-C/PD port. The control circuit is configured to determine whether a short circuit condition has occurred. The control circuit is also configured to turn off a ground isolation switch when short circuit condition occurs. The control circuit is further configured to determine a whether a voltage on a configuration channel line (CC line) is greater than a first…
Devices, systems and methods for dynamically allocating portions of channels to different communication protocols
Granted: April 18, 2023
Patent Number:
11632766
A method can include selecting a channel from a network operating according to a first protocol (e.g., an IEEE 802.11ax channel). Designating at least one portion of the channel as a shared resource unit (RU) and another portion as a dedicated RU. When an associated device is communicating according to a different protocol (e.g., a Bluetooth standard), allocating frequencies of the shared RU for use by the associated device and allocating the dedicated RUs for use by the network…
Switching clock phase shift for multi-port buck-boost converter
Granted: April 11, 2023
Patent Number:
11625355
A multi-port USB Type-C® Power Delivery (USB-C/PD) power converter for switching clock phase shifts is described herein. The multi-port USB-C/PD power converter includes a first PD port, a second PD port, and a power controller coupled to the first and second PD ports. The power controller includes a first phased clock generator to generate a first phase-shifted clock signal by shifting a clock signal by a first phase with respect to a reference clock signal, and a second phased clock…
Dynamically switching between shared and time division multiplexed access to wireless media based on channel quality
Granted: March 21, 2023
Patent Number:
11611969
A device can have collocated communication circuits and operate in a parallel mode if selected first wireless channels are above a certain quality, and operate in a time division (TD) mode if the selected first wireless channels are below a certain quality. The parallel mode can include using first channels for a first protocol that do not overlap a second channel used by a second protocol. The TD mode can include first time periods in which a first protocol uses first channels that…
Integrated circuit device with crossbar to route traffic
Granted: March 21, 2023
Patent Number:
11609871
An integrated circuit (IC) device according to an example includes an interconnect bus to communicate with an external memory device, wherein the interconnect bus includes a plurality of different channels to be coupled directly to a first set of masters. The IC device includes a crossbar unit to be coupled to a second set of masters, wherein the crossbar unit is to monitor bandwidth usage at the plurality of different channels, and selectively route traffic between the second set of…
Ground and supply cable compensation architecture for USB power delivery subsystem
Granted: March 21, 2023
Patent Number:
11609622
A multi-port Universal Serial Bus Type-C (USB-C) controller with ground and supply cable compensation technologies is described. A USB-C controller includes a first power control circuit (PCU) coupled to a system ground terminal and a first ground terminal and a second PCU coupled to the system ground terminal and a second ground terminal. The first PCU receives a first ground signal indicative of a first ground potential at a first USB-C connector and adjusts a first power voltage line…
Efficient negative-sense detection of synchronous recitifer in voltage converter
Granted: March 14, 2023
Patent Number:
11606042
A secondary side controller of a flyback AC-DC converter includes an integrated circuit, which includes: an analog-to-digital converter (ADC) coupled to a voltage bus (VBUS), the ADC to output a digital value corresponding to a voltage level of the VBUS; first logic configured to generate a reference voltage based on the digital value; second logic configured to generate a VBUS gain value based on output power of a flyback transformer of the flyback AC-DC converter; an integrator to…
Line-based rendering for graphics rendering systems, methods, and devices
Granted: March 14, 2023
Patent Number:
11605364
Systems, methods, and devices implement line-based rendering of graphics. Methods include receiving a command associated with graphical data, the command identifying a plurality of pixel mapping operations to be implemented on a plurality of data objects included in the graphical data. Methods also include determining a plurality of rendering parameters, the plurality of rendering parameters identifying a partitioning of the graphical data into a plurality of portions, and further…
Method for IOT device to stagger TX and save power
Granted: March 7, 2023
Patent Number:
11601832
Disclosed are methods and systems for delaying packet transmissions over a wireless communication channel until a more favorable channel condition is detected. A device may measure a channel metric when it receives periodic beacon signals. The device may compare the channel metric against a programmed metric threshold. If the channel metric is less than the metric threshold, the device may delay the transmission of a packet until a later transmission window or transmit opportunity (TXOP)…
Sensor-compatible overlay
Granted: February 28, 2023
Patent Number:
11594066
A fingerprint sensor-compatible overlay material which uses anisotropic conductive material to enable accurate imaging of a fingerprint through an overlay is disclosed. The anisotropic conductive material has increased conductivity in a direction orthogonal to the fingerprint sensor, increasing the capacitive coupling of the fingerprint to the sensor surface, allowing the fingerprint sensor to accurately image the fingerprint through the overlay. Methods for forming a fingerprint…
Efficient secure phase-based ranging using loopback calibration
Granted: February 28, 2023
Patent Number:
11595783
A system and method for an efficient secure phase-based ranging using loopback calibration, including receiving, by a reflector during a current timeslot, an incoming constant tone (CT) signal having a phase shift; determining, by the reflector during the current timeslot or a previous timeslot, a phase shift correction value by using a receiver/transmitter (Rx/Tx) loopback path of the reflector; and/or generating, by the reflector, an outgoing CT signal having an updated phase shift by…
Faster phase-locked loop locking using successive approximation toward a target frequency
Granted: February 28, 2023
Patent Number:
11595048
A digital phase-locked loop (DPLL) includes a time-to-digital converter (TDC) to generate a multi-bit code based on a phase error between a reference clock and a feedback clock, a digital loop filter (DLF) coupled to the TDC, a digitally-controlled oscillator (DCO) circuit coupled to the DLF and to generate an output signal that is convertible to the feedback clock, and a logic component coupled to an input of the DCO circuit. The logic component is to: trigger, in response to detecting…
Power supply system and control in a dynamic load configuration
Granted: February 28, 2023
Patent Number:
11594961
An apparatus includes a controller. The controller monitors a magnitude of first current supplied by an output voltage of a first power converter to power a dynamic load. The controller controls a second power converter to supply second current through the dynamic load based on the monitored magnitude of first current.
