Inventor

QI JIEMING

US76 patents

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

QI JIEMING

IBM

Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performance

Apparatus and method for verifying glitch-free operation of a multiplexer

Apparatus and method for providing a reprogrammable electrically programmable fuse

System and method for reducing latency in a dynamic circuit

Structure for a duty cycle correction circuit

Structure for a phase locked loop with adjustable voltage based on temperature

Duty cycle correction circuit whose operation is largely independent of operating voltage and process

Duty cycle measurement method and apparatus that operates in a calibration mode and a test mode

Adjusting voltage for a phase locked loop based on temperature

Duty cycle correction circuit whose operation is largely independent of operating voltage and process

Method and apparatus for measuring the relative duty cycle of a clock signal

Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performance

System and method for automatic calibration of a reference voltage

Digital circuit to measure and/or correct duty cycles

Method and apparatus for correcting the duty cycle of a digital signal

Level shifter apparatus and method for minimizing duty cycle distortion

Method and apparatus for semi-automatic extraction and monitoring of diode ideality in a manufacturing environment

High speed, static digital multiplexer

Method and apparatus for on-chip duty cycle measurement

Method and apparatus for measuring the duty cycle of a digital signal

Circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PPLs)

Dynamically calibrating the offset of a receiver with a decision feedback equalizer (DFE) while performing data transport operations

Structure for interleaved voltage controlled oscillator

Interleaved voltage controlled oscillator

Dual duty cycle correction loop for a serializer/deserializer (SerDes) transmitter output

Structure for an absolute duty cycle measurement circuit

Structure for a programmable interpolative voltage controlled oscillator with adjustable range

Digital circuit to measure and/or correct duty cycles

Structure for a duty cycle measurement circuit

Absolute duty cycle measurement

System for automatically selecting intermediate power supply voltages for intermediate level shifters

Method and system for managing voltage swings across field effect transistors

Design structure for a duty cycle measurement apparatus that operates in a calibration mode and a test mode

Method and apparatus for measuring the duty cycle of a digital signal

Precision integrated phase lock loop circuit loop filter

Apparatus and method for extracting a maximum pulse width of a pulse width limiter

High frequency circuit capable of error detection and correction of code patterns running at full speed

Level shifter system and method to minimize duty cycle error due to voltage differences across power domains

Duty cycle measurement apparatus and method

Communication systems for power supply noise reduction

Quadrature circuit interconnect architecture with clock forwarding

EVERSPIN TECHNOLOGIES INC

Single-lock delay locked loop with cycle counter and method therefore

Single-lock delay locked loop with cycle counter and method therefor

Single-lock delay locked loop with cycle counter and method therefor

TOSHIBA KK

Systems and methods for level shifting using AC coupling

Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction

Systems and methods for operating logic circuits

ANALOG DEVICES INC

Method and apparatus for use in booth-encoded multiplication

BOERSTLER DAVID WILLIAM

Self-biased high speed level shifter circuit

SONY COMPUTER ENTERTAINMENT INC

Method for controlling operation of microprocessor which performs duty cycle correction process