Inventor

HUR JOONHOI

US65 patents

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

HUR JOONHOI

APPLE INC

Wideband balanced duplexer

Reconfigurable electrical balance duplexer (EBD) supporting frequency division duplex (FDD) and time division duplex (TDD)

Electrical balanced duplexer-based duplexer

Adaptive power equalization in electrical balance duplexers

Background noise recorder

Machine-learning based tuning algorithm for duplexer systems

Electronic devices having spatial ranging calibration capabilities

Full-duplex electrical balanced duplexer

Reconfigurable electrical balance duplexer (EBD) supporting frequency division duplex (FDD) and time division duplex (TDD)

Efficient dual-polarization multi-input and multi-output system

Radio frequency front-end circuitry amplifier gain calibration systems and methods

Electrical balanced duplexer-based duplexer

Single ladder duplexer with impedance gradient

Downlink receiver channel isolation

Electrical phase balanced duplexer

Electrical phase balanced duplexer

Electronic devices with background-cancelled ultra short range object detection

Electronic devices with non-static object detection

Electronic devices with angular location detection capabilities

Background noise recorder

Full-duplex electrical balanced duplexer

Electronic devices with angular location detection capabilities

Duplexer with impedance inverters

Electronic devices with background-cancelled ultra short range object detection

Wideband balanced duplexer

Electrical balanced duplexer-based duplexer

Electronic devices with non-static object detection

Duplexer with impedance inverters

Leakage and noise cancelling for double balanced duplexers

Efficient dual-polarization multi-input and multi-output system

Leakage and noise cancelling for double balanced duplexers

Reconfigurable feed-forward for electrical balance duplexers (EBD)

Duplexer with impedance inverters

Machine-learning based tuning algorithm for duplexer systems

Single ladder duplexer with impedance gradient

Electronic devices having quadratic phase generation circuitry

Electronic devices having quadratic phase generation circuitry

Duplexer with balanced impedance ladder

QUALCOMM INC

Reconfigurable radio frequency (RF) power amplifier circuit

Tri-phase digital polar modulator

Amplifier linearizer with wide bandwidth

Efficient wideband envelope tracking power amplifier

Systems and methods for linearizing operation of a power amplifier

Circuits and methods for power amplification with extended high efficiency

Bias circuits and methods for stacked devices

TEXAS INSTRUMENTS INC

Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method

Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method

HEZAR RAHMI

Digital time-interleaved RF-PWM transmitter

Transformer power combiner with filter response

HUR JOONHOI

LINC transmitter with improved efficiency