Artificial reality system having multi-bank, multi-port distributed shared memory

AK Mathur, E Salemi, DE Wingard… - US Patent 11,409,671, 2022 - Google Patents
This disclosure describes various examples of a system which uses a multi-bank, multi-port
shared memory system that may be implemented as part of a system on a chip. The shared …

Wireless communication with code separation

D Patil, WS Powiertowski, N Upasani… - US Patent …, 2023 - Google Patents
2020-07-06 Assigned to FACEBOOK TECHNOLOGIES, LLC reassignment FACEBOOK
TECHNOLOGIES, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …

System on a chip (SoC) communications to prevent direct memory access (DMA) attacks

S Satpathy, WS Powiertowski, N Upasani… - US Patent …, 2022 - Google Patents
This disclosure describes system on a chip (SOC) commu nications that prevent direct
memory access (DMA) attacks. An example SoC includes an encryption engine and a …

Delay circuit of delay-locked loop circuit and delay-locked loop circuit

C Hundae, C Garam - US Patent 11,329,654, 2022 - Google Patents
A delay circuit of a delay-locked loop (DLL) circuit includes: a phase splitter configured to
split a phase of a reference clock signal to output a first reference clock signal and a second …

Clock alignment and uninterrupted phase change systems and methods

A Passamani - US Patent 11,740,650, 2023 - Google Patents
Abstract Changes in a clock signal, such as phase changes or resets, may propagate
glitches, such as shortened clock cycles that may cause undesired effects in subsequent …

Clock alignment and uninterrupted phase change systems and methods

A Passamani - US Patent 11,984,896, 2024 - Google Patents
Clock alignment circuitry may include phase detection circuitry and programmable delay
circuitry to facilitate aligning a data signal with a particular state of a clock signal. For …

System on a chip (SOC) communications to prevent direct memory access (DMA) attacks

S Satpathy, WS Powiertowski, N Upasani… - US Patent …, 2023 - Google Patents
This disclosure describes system on a chip (SOC) communications that prevent direct
memory access (DMA) attacks. An example SoC includes an encryption engine and a …

Artificial reality system having multi-bank, multi-port distributed shared memory

AK Mathur, E Salemi, DE Wingard… - US Patent 11,868,281, 2024 - Google Patents
This disclosure describes various examples of a system which uses a multi-bank, multi-port
shared memory system that may be implemented as part of a system on a chip. The shared …

Clock-gating synchronization circuit and method of clock-gating synchronization

LAN Yung-Chi - US Patent 11,558,055, 2023 - Google Patents
the synchronization circuit is configured to perform a synchronization operation to convert a
first control signal in a first clock domain into a second control signal in a second clock …

Audio sample phase alignment in an artificial reality system

AK Mathur - US Patent 11,700,496, 2023 - Google Patents
This disclosure describes techniques that include aligning processing of audio samples
collected by multiple audio sensors or microphones. In one example, this disclosure …