Inventor

LI HAIFENG

US135 patents

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

LI HAIFENG

COMMSCOPE TECHNOLOGIES LLC

Base station antennas having an active antenna module and related devices and methods

Base station antennas having an active antenna module and related devices and methods

Cellular communication systems having antenna arrays therein with enhanced half power beam width (HPBW) control

Dual-polarized radiating elements having inductors coupled between the dipole radiators and base station antennas including such radiating elements

Radiating elements having angled feed stalks and base station antennas including same

Base station antennas having radomes that reduce coupling between columns of radiating elements of a multi-column array

Phase shifter assembly

Base station antenna units having arrays spanning multiple antennas that are connected by jumper cables

Base station antenna feed boards having RF transmission lines of different types for providing different transmission speeds

Base station antennas having an active antenna module(s) and related devices and methods

Cellular communication systems having antenna arrays therein with enhanced half power beam width (HPBW) control

SHENZHEN SUPER TOP INNOVATION TECH LIMITED

Laptop holder

Retractable and foldable table leg structure

Monitor riser shelf

Tray table

Tray table

Treadmill rack

Sofa shelf

Cabinet

Monitor riser shelf

APPLE INC

Displays with luminance adjustment circuitry to compensate for gate line loading variations

Systems and methods for indirect threshold voltage sensing in an electronic display

Configurable pixel uniformity compensation for OLED display non-uniformity compensation based on scaling factors

Systems and methods for indirect threshold voltage sensing in an electronic display

Systems and methods for indirect light-emitting-diode voltage sensing in an electronic display

SUBCOM LLC

Pair routing between three undersea fiber optic cables

Branching configuration including a cross-coupling arrangement to provide fault tolerance and topside recovery in the event of subsea umbilical assembly failure and system and method including same

Pair routing between undersea fiber optic cables

Submarine cable branching units with fiber pair switching

PROTEUS BIOMEDICAL INC

Self-referencing communication in implantable devices

Pressure sensor circuits

Pressure sensor circuits

LIU XU

Combined-screen-based multi-pitching angle suspended panoramic space 3D display device

Omnidirectional-view three-dimensional display apparatus

Screen device for three-dimensional display with full viewing-field

SYMBOL TECHNOLOGIES INC

Methods and apparatus for pressure-based manipulation of content on a touch screen

LI HAIFENG

Self-referencing communication in implantable devices

UNIV MARYLAND

Real time wavelength monitoring circuit

PROTEUS DIGITAL HEALTH INC

Apparatus, system, and method to adaptively optimize power dissipation and broadcast power in a power source for a communication device

BI YAFEI

Integrated circuit implementation and fault control system, device, and method

GUANGDONG COSIO LIGHTING CO LTD

Variable focuslamp

KONG XIAO

Scalable metadata extraction for video search

MU RUOMEI

Hybrid optical add-drop multiplexing network and wavelength allocation for the same

SCHLUMBERGER TECHNOLOGY CORP

Bore trajectory system

TALLEY JAMES R

Communication processing

ZHANG KESHU

Systems and methods for pressure-based authentication of an input on a touch screen

Outdoor Wireless Networks LLC

Base station antennas having an active antenna module and related devices and methods

ADP LLC

Database structure for distributed key-value pair, document and graph models

IBM

Prevention of sending messages by mistake

STATE GRID JIANGSU ELECTRIC POWER CO LTD

Synchronization method and wide area system protection apparatus