REDUCED CHANNEL-SOUNDING IN MU-MIMO WLANS
Granted: July 15, 2021
Application Number:
20210218522
A method for reducing channel sounding overhead in a MU-MIMO WLAN system, and apparatus for performing the method are disclosed. The method includes transmitting a sparse set of pilot symbols in a pseudorandom distribution across a plurality of subcarriers, from a plurality of antennas to one or more client devices on a plurality of spatial streams; receiving a sparse set of channel estimates in the frequency and spatial domains, from the one or more client devices as beamforming…
Low-Emissions Touch Controller
Granted: July 15, 2021
Application Number:
20210216168
Technology directed to low-emissions touch controller in in-cell touch display systems is described. One in-cell touch controller includes a signal generator circuit that is configured to generate a sense signal according to a sensing function, the sense signal including a windowed sinusoidal waveform. The controller generates a transition signal to transition the in-cell touch display between a display function and the sensing function. The controller drives the sense signal and the…
SPACER FORMATION WITH STRAIGHT SIDEWALL
Granted: July 8, 2021
Application Number:
20210210610
Disclosed herein is a semiconductor device comprising a first dielectric disposed over a channel region of a transistor formed in a substrate and a gate disposed over the first dielectric. The semiconductor device further includes a second dielectric disposed vertically, substantially perpendicular to the substrate, at an edge of the gate, and a spacer disposed proximate to the second dielectric. The spacer includes a cross-section with a perimeter that includes a top curved portion and…
DYNAMIC SHARING OF POWER AMONG USB TYPE-C POWER DELIVERY (USB-C/PD) PORTS
Granted: July 8, 2021
Application Number:
20210208654
Technology to dynamically share system power among charging ports of a multiport power delivery (PD) system is described. In one embodiment, a multiport PD system includes a master controller associated with a master port, and one or more slave controllers associated with one or more slave ports. The master controller determines a port connection status of a set of multiple ports. The port connection status indicates that multiple devices are connected. The master controller determines a…
DYNAMIC POWER THROTTLING BASED ON SYSTEM CONDITIONS IN USB TYPE-C POWER DELIVERY (USB-C/PD) ECOSYSTEM
Granted: July 8, 2021
Application Number:
20210208648
Technology to dynamically throttle power in a power delivery system is described. In one embodiment, a power delivery system includes a controller associated with a port to supply power. The controller manages a power budget available to the port based on a current state of one or more system parameters. The power budget available to the port can be throttled when the power delivery system operates under stress conditions and adjusted when the power delivery system is no longer operating…
LOW ENERGY POWER SAVING FAST RECONNECT FOR WIRELESS COMMUNICATIONS DEVICES
Granted: June 24, 2021
Application Number:
20210195528
Systems, methods, and devices suspend and establish wireless communications connections. Methods include determining at least a first wireless communications device should be transitioned to a low power mode, and transitioning, using second logic, first logic of the first wireless communications device to the low power mode. The first logic implements a host stack of a wireless communications protocol, the second logic implements a controller stack of the wireless communications…
STARTUP REGULATOR USING VOLTAGE BUFFER TO STABILIZE POWER SUPPLY VOLTAGE
Granted: June 24, 2021
Application Number:
20210194376
A system includes a transformer having an auxiliary coil to provide a flyback voltage to a primary side of an alternating current to direct current (AC-DC) converter. A primary side controller includes an auxiliary pin coupled to the transformer and to an external capacitor, the auxiliary pin to receive the flyback voltage after startup. a junction gate field-effect transistor (JFET) coupled to a supply voltage. A first FET is coupled in series between the JFET and the auxiliary pin, the…
DEDICATED TDLS LINK IN OFF-CHANNEL 5 GHZ BAND USING RSDB
Granted: June 17, 2021
Application Number:
20210185746
Devices, systems and methods establish a first wireless link with an access point (AP) via a first frequency band, establish a tunneled direct link setup (TDLS) link with a peer wireless device using the first frequency band. Embodiments, switch from using the first frequency band for the TDLS link to using a second frequency band for the TDLS link and use a real-time simultaneous dual band (RSDB) configuration to communicate with the peer wireless device through the TDLS link using the…
SYSTEMS, METHODS, AND DEVICES FOR IMPLEMENTING ANTENNA DIVERSITY WITH WIRELESS COMMUNICATIONS DEVICES
Granted: June 17, 2021
Application Number:
20210185549
Systems, methods, and apparatus use a processor of a first device to wirelessly communicate with a second device using a first antenna. The processor selects the first antenna from a plurality of antennas based on comparing first antenna data associated with the first antenna with second antenna data associated with a second antenna.
SILICON-OXIDE-NITRIDE-OXIDE-SILICON MULTI-LEVEL NON-VOLATILE MEMORY DEVICE AND METHODS OF FABRICATION THEREOF
Granted: May 27, 2021
Application Number:
20210159346
A semiconductor device that has a silicon-oxide-nitride-oxide-silicon (SONOS) based non-volatile memory (NVM) array including charge-trapping memory cells arranged in rows and columns and configured to store one of N×analog values. Each charge-trapping memory cells may include a memory transistor including an angled lightly doped drain (LDD) implant extends at least partly under an oxide-nitride-oxide (ONO) layer of the memory transistor. The ONO layer disposed within the memory…
SILICON-OXIDE-NITRIDE-OXIDE-SILICON BASED MULTI-LEVEL NON-VOLATILE MEMORY DEVICE AND METHODS OF OPERATION THEREOF
Granted: May 27, 2021
Application Number:
20210158868
A semiconductor device that has a semiconductor-oxide-nitride-oxide-semiconductor (SONOS) based non-volatile memory (NVM) array including NVM cells arranged in rows and columns, in which NVM transistors of the NVM cells are configured to store N×analog values corresponding to the N×levels of their drain current (ID) or threshold voltage (VT) levels, digital-to-analog (DAC) function that receives and converts digital signals from external devices, column multiplexor (mux) function that…
DEVICES, SYSTEMS AND METHODS FOR SYNCHRONIZING EVENT WINDOWS IN WIRELESS NETWORK
Granted: May 20, 2021
Application Number:
20210153155
A method can include receiving a timing signal that is part of a first communication protocol; by operation of a master device operating according to a second communication protocol, determining event timing windows for a plurality of slave devices of the master device; and by operation of the master device, transmitting control packets to the slave devices, adjusting clock values in the slave devices to sequentially order the event timing windows within an event group window; wherein…
SENSOR-COMPATIBLE OVERLAY
Granted: May 20, 2021
Application Number:
20210150180
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…
DEVICES, SYSTEMS, AND METHODS FOR MITIGATING AGGRESSIVE MEDIUM RESERVATIONS
Granted: May 6, 2021
Application Number:
20210136820
A device includes a reservation pattern detector to detect a pattern of medium reservations in which a sum of reservation durations associated with two or more frames received from a first wireless device meets or exceeds a threshold duration value, and a reservation mitigator coupled with the reservation pattern detector to, responsive to detecting the pattern of medium reservations, provide a mitigation operation to prevent a second wireless device from yielding the medium to the first…
EMBEDDED NON-VOLATILE MEMORY DEVICE AND FABRICATION METHOD OF THE SAME
Granted: May 6, 2021
Application Number:
20210134811
Systems and methods of forming such include method, forming a memory gate (MG) stack in a first region, forming a sacrificial polysilicon gate on a high-k dielectric in a second region, wherein the first and second regions are disposed in a single substrate. Then a select gate (SG) may be formed adjacent to the MG stack in the first region of the semiconductor substrate. The sacrificial polysilicon gate may be replaced with a metal gate to form a logic field effect transistor (FET) in…
REMOTE MEMORY DIAGNOSTICS
Granted: April 29, 2021
Application Number:
20210126946
Disclosed are systems and methods for diagnosing the health of a plurality of memory cells in a memory array. Diagnostics are initiated from a remote server via an encrypted channel on the memory device embedded in an end-use system. The memory device includes a plurality of memory cells in a memory array. At the remote server, encrypted diagnostics data is received in response to execution of a diagnostics program by the memory device on the plurality of memory cells. The diagnostics…
SPLIT GATE CHARGE TRAPPING MEMORY CELLS HAVING DIFFERENT SELECT GATE AND MEMORY GATE HEIGHTS
Granted: April 8, 2021
Application Number:
20210104533
A semiconductor device and method of making such device is presented herein. The method includes disposing a gate layer over a dielectric layer on a substrate and further disposing a cap layer over the gate layer. A first transistor gate is defined having an initial thickness substantially equal to a combined thickness of the cap layer and the gate layer. A first doped region is formed in the substrate adjacent to the first transistor gate. The cap layer is subsequently removed and a…
INPUT/OUTPUT MULTIPLEXER BUS
Granted: April 1, 2021
Application Number:
20210096164
One embodiment includes and I/0 bus including a signal line coupled to a signal source and multiple line switches, each line switch to couple a corresponding I/0 port to the signal line. Switch logic coupled to the I/0 bus may programmatically switch the multiple line switches to couple at least one of the signal source and measurement circuitry to the respective I/0 port.
METHODS FOR SETTING TRANSMIT POWER IN WIRELESS DEVICES
Granted: April 1, 2021
Application Number:
20210099961
Disclosed are methods and systems for tailoring the transmit power of a wireless device to the parameters of the device such as the process split, voltage, and temperature. The device may identify one or more parameters of the device such as identifying the process split, or sensing the operating voltage or temperature. The device may determine an updated transmit power based on the known parameter values identified and any unknown parameter values. The updated transmit power is…
PRESSURE DETECTION AND MEASUREMENT WITH A FINGERPRINT SENSOR
Granted: April 1, 2021
Application Number:
20210097254
A circuit, system, and method for measuring or detecting pressure or force of a fingerprint on an array of electrodes is described. Pressure or force may be measured or detected using a processed image of the fingerprint, or by measurement of capacitance of deformed variable capacitors.
