Inventor

PENG SONG

US49 patents

⚠️ This page may combine multiple inventors who share the name “PENG SONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PENG SONG

AVANEX CORP

Selective intensity modulation of channels in a multiplexed optical communication system

Optical wavelength router using reflective surfaces to direct output signals

Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer

System and method for a re-configurable optical channel dropping de-multiplexer

Equalizing optical wavelength routers

Dynamic wavelength-selective optical add-drop switches

Apparatus and method for multiplexing and de-multiplexing optical signals employing a anamorphic beams and diffraction gratings

Method and apparatus for compensating differential group delay

Stable mechanical devices for precision optical alignment and packaging

High extinction ratio and low crosstalk compact optical switches

Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch

IBM

Method for forming cornered images on a substrate and photomask formed thereby

Method for forming cornered images on a substrate and photomask formed thereby

Multi-phase photo mask using sub-wavelength structures

Method to produce equal sized features in microlithography

Direct phase shift measurement between interference patterns using aerial image measurement tool

Method for tuning an attenuating phase shift mask

Alternating phase shifting masks

Dichroic photo mask and methods for making and inspecting same

Apparatus for tuning an attenuating phase shift mask

Method to produce equal sized features in microlithography

PHOTONEDGE INC

Systems and methods of multi-implant patterned brain imaging and stimulation

Systems and methods of rotation compensation for brain optical imaging and stimulation

Systems and methods for handheld projection displays

Systems and methods of a head mounted camera with fiber bundle for optical stimulation

Systems and methods for high-contrast spatial light modulation

Multi-wavelength interleaved optical stimulation

Fiber array light source

Simultaneous multiplexed imaging system and method

SHENZHEN ROCK TIMES TECH CO LTD

Autonomous cleaning robot

Liquid container and autonomous cleaning robot

Autonomous cleaning robot

Autonomous cleaning robot

Autonomous cleaning robot

Liquid container, smart cleaning device and smart cleaning system

BEIJING ROBOROCK TECHNOLOGY CO LTD

Cleaning robot

Cleaning device

Cleaning robot and method for controlling same

Automatic cleaning device

BARBAROSSA GIOVANNI

Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer

Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer

OCLARO NORTH AMERICA INC

Apparatus, system and method for a tunable optical filter

High extinction ratio and low crosstalk compact optical switches

PENG SONG

Systems, devices and methods of broadband light sources with tunable spectrum

Method and apparatus for implementing a task-based interface in a logic verification system

BEIJING ROBOROCK INNOVATION TECH CO LTD

Obstacle avoidance method and device for self-walking robot, robot, and storage medium

Method for controlling automatic cleaning device, automatic cleaning device, and non-transitory storage medium

CADENCE DESIGN SYSTEMS INC

Method and apparatus for translating a verification process having recursion for implementation in a logic emulator

UNIV SOUTHWEST PETROLEUM

Horizontal high speed testing device for spiral seal of horizontal cone bit bearing