Inventor

JO BYEONG HAK

KR57 patents

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

JO BYEONG HAK

SAMSUNG ELECTRO MECH

Step attenuator

Radio frequency switch apparatus with integrated shunt and bias

Buffer amplifier

Fractional-N frequency synthesizer and method thereof

Frequency synthesizer having multi-band voltage controlled oscillator

Bias current generating apparatus with adjustable temperature coefficient

Control buffer circuit and radio frequency switch device

Adaptive multiband power amplifier apparatus

Radio frequency switching circuit and apparatus with reduced switching response delay

Radio frequency switching device for fast switching operation

Envelope tracking current bias circuit with offset removal function and power amplifier

Touchscreen device and method for controlling the same

Amplifying apparatus with improved linearity

Radio frequency switch apparatus having dynamic bias

Band selection switch apparatus of power amplifier system

Negative voltage circuit

Envelope tracking bias circuit and power amplifying device

Apparatus and method for determining optimum stack number of RF switch

Reference current generating circuit with process variation compensation

Touch sensing apparatus

Leakage current reduction type radio frequency switch device

Power amplifier device with improved response speed

Envelope tracking current bias circuit and power amplifying device

Envelope tracking bias circuit

Control buffer circuit and radio frequency switch for dual mode operation

Envelope-tracking current bias circuit with offset cancellation function

Radio frequency switch apparatus with improved harmonic attenuation characteristics

Envelope tracking current bias circuit and power amplifier apparatus

Capacitance sensing apparatus and touchscreen apparatus

Touch sensing apparatus and method capable of supporting hover sensing

Power amplifier

Amplifying device with bias timing control circuit based on duty cycle

Power amplifying apparatus with spurious signal reduction function

Power amplifying apparatus with boost function

Radio-frequency switch with voltage equalization

Multi-mode power amplifier

Negative voltage generation circuit without low-dropout regulator

Touch sensing apparatus and touchscreen apparatus including the same

Touch sensing device and touchscreen device

JO BYEONG HAK

Cement additive and method for producing same

Power amplifier

Apparatus and method for sensing capacitance, and touch screen apparatus

Power amplifier

KIM YOO HWAN

CMOS power amplifier and temperature compensation circuit thereof

Power amplifier

KWON YONG IL

Touchscreen having a capacitance sensing apparatus

Apparatus and method for sensing capacitance, and touch screen apparatus

HWANG HYEON SEOK

Power amplifier break down characteristic

SAMSUNG ELECTRONICS CO LTD

Integration circuit, touch interaction sensing apparatus, and touchscreen apparatus

KOO BON HOON

Power amplifier